/*
* $Id: capidrv.c,v 1.3.2.1 1997/07/13 12:16:48 calle Exp $
*
* ISDN4Linux Driver, using capi20 interface (kernelcapi)
*
* Copyright 1997 by Carsten Paeth (calle@calle.in-berlin.de)
*
* $Log: capidrv.c,v $
* Revision 1.3.2.1 1997/07/13 12:16:48 calle
* bug fix for more than one controller in connect_req.
*
* Revision 1.3 1997/05/18 09:24:15 calle
* added verbose disconnect reason reporting to avmb1.
* some fixes in capi20 interface.
* changed info messages for B1-PCI
*
* Revision 1.2 1997/03/05 21:19:59 fritz
* Removed include of config.h (mkdep stated this is unneded).
*
* Revision 1.1 1997/03/04 21:50:31 calle
* Frirst version in isdn4linux
*
* Revision 2.2 1997/02/12 09:31:39 calle
* new version
*
* Revision 1.1 1997/01/31 10:32:20 calle
* Initial revision
*
*/
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/major.h>
#include <linux/sched.h>
#include <linux/malloc.h>
#include <linux/fcntl.h>
#include <linux/fs.h>
#include <linux/signal.h>
#include <linux/mm.h>
#include <linux/timer.h>
#include <linux/wait.h>
#include <linux/skbuff.h>
#include <linux/isdn.h>
#include <linux/isdnif.h>
#include <linux/capi.h>
#include <linux/kernelcapi.h>
#include "compat.h"
#include "capiutil.h"
#include "capicmd.h"
#include "capidrv.h"
static char *revision = "$Revision: 1.3.2.1 $";
int debugmode = 0;
#ifdef HAS_NEW_SYMTAB
MODULE_AUTHOR("Carsten Paeth <calle@calle.in-berlin.de>");
MODULE_PARM(debugmode, "i");
#endif
/* -------- type definitions ----------------------------------------- */
struct capidrv_contr {
struct capidrv_contr *next;
__u32 contrnr;
char name[20];
/*
* for isdn4linux
*/
isdn_if interface;
int myid;
/*
* LISTEN state
*/
int state;
__u32 cipmask;
__u32 cipmask2;
/*
* ID of capi message sent
*/
__u16 msgid;
/*
* B-Channels
*/
int nbchan;
struct capidrv_bchan {
struct capidrv_contr *contr;
__u8 msn[ISDN_MSNLEN];
int l2;
int l3;
__u8 num[ISDN_MSNLEN];
__u8 mynum[ISDN_MSNLEN];
int si1;
int si2;
int incoming;
int disconnecting;
struct capidrv_plci {
struct capidrv_plci *next;
__u32 plci;
__u32 ncci; /* ncci for CONNECT_ACTIVE_IND */
__u16 msgid; /* to identfy CONNECT_CONF */
int chan;
int state;
struct capidrv_ncci {
struct capidrv_ncci *next;
struct capidrv_plci *plcip;
__u32 ncci;
__u16 msgid; /* to identfy CONNECT_B3_CONF */
int chan;
int state;
int oldstate;
/* */
__u16 datahandle;
} *ncci_list;
} *plcip;
struct capidrv_ncci *nccip;
} *bchans;
struct capidrv_plci *plci_list;
};
struct capidrv_data {
__u16 appid;
int ncontr;
struct capidrv_contr *contr_list;
};
typedef struct capidrv_plci capidrv_plci;
typedef struct capidrv_ncci capidrv_ncci;
typedef struct capidrv_contr capidrv_contr;
typedef struct capidrv_data capidrv_data;
typedef struct capidrv_bchan capidrv_bchan;
/* -------- data definitions ----------------------------------------- */
static capidrv_data global;
static struct capi_interface *capifuncs;
/* -------- convert functions ---------------------------------------- */
static inline __u32 b1prot(int l2, int l3)
{
switch (l2) {
case ISDN_PROTO_L2_X75I:
case ISDN_PROTO_L2_X75UI:
case ISDN_PROTO_L2_X75BUI:
return 0;
case ISDN_PROTO_L2_HDLC:
default:
return 0;
case ISDN_PROTO_L2_TRANS:
return 1;
}
}
static inline __u32 b2prot(int l2, int l3)
{
switch (l2) {
case ISDN_PROTO_L2_X75I:
case ISDN_PROTO_L2_X75UI:
case ISDN_PROTO_L2_X75BUI:
default:
return 0;
case ISDN_PROTO_L2_HDLC:
return 1;
case ISDN_PROTO_L2_TRANS:
return 0;
}
}
static inline __u32 b3prot(int l2, int l3)
{
switch (l2) {
case ISDN_PROTO_L2_X75I:
case ISDN_PROTO_L2_X75UI:
case ISDN_PROTO_L2_X75BUI:
case ISDN_PROTO_L2_HDLC:
case ISDN_PROTO_L2_TRANS:
default:
return 0;
}
}
static inline __u16 si2cip(__u8 si1, __u8 si2)
{
static const __u8 cip[17][5] =
{
/* 0 1 2 3 4 */
{0, 0, 0, 0, 0}, /*0 */
{16, 16, 4, 26, 16}, /*1 */
{17, 17, 17, 4, 4}, /*2 */
{2, 2, 2, 2, 2}, /*3 */
{18, 18, 18, 18, 18}, /*4 */
{2, 2, 2, 2, 2}, /*5 */
{0, 0, 0, 0, 0}, /*6 */
{2, 2, 2, 2, 2}, /*7 */
{2, 2, 2, 2, 2}, /*8 */
{21, 21, 21, 21, 21}, /*9 */
{19, 19, 19, 19, 19}, /*10 */
{0, 0, 0, 0, 0}, /*11 */
{0, 0, 0, 0, 0}, /*12 */
{0, 0, 0, 0, 0}, /*13 */
{0, 0, 0, 0, 0}, /*14 */
{22, 22, 22, 22, 22}, /*15 */
{27, 27, 27, 28, 27} /*16 */
};
if (si1 > 16)
si1 = 0;
if (si2 > 4)
si2 = 0;
return (__u16) cip[si1][si2];
}
static inline __u8 cip2si1(__u16 cipval)
{
static const __u8 si[32] =
{7, 1, 7, 7, 1, 1, 7, 7, /*0-7 */
7, 1, 0, 0, 0, 0, 0, 0, /*8-15 */
1, 2, 4, 10, 9, 9, 15, 7, /*16-23 */
7, 7, 1, 16, 16, 0, 0, 0}; /*24-31 */
if (cipval > 31)
cipval = 0; /* .... */
return si[cipval];
}
static inline __u8 cip2si2(__u16 cipval)
{
static const __u8 si[32] =
{0, 0, 0, 0, 2, 3, 0, 0, /*0-7 */
0, 3, 0, 0, 0, 0, 0, 0, /*8-15 */
1, 2, 0, 0, 9, 0, 0, 0, /*16-23 */
0, 0, 3, 2, 3, 0, 0, 0}; /*24-31 */
if (cipval > 31)
cipval = 0; /* .... */
return si[cipval];
}
/* -------- controller managment ------------------------------------- */
static inline capidrv_contr *findcontrbydriverid(int driverid)
{
capidrv_contr *p = global.contr_list;
while (p) {
if (p->myid == driverid)
return p;
p = p->next;
}
return (capidrv_contr *) 0;
}
static capidrv_contr *findcontrbynumber(__u32 contr)
{
capidrv_contr *p = global.contr_list;
while (p) {
if (p->contrnr == contr)
return p;
p = p->next;
}
return (capidrv_contr *) 0;
}
/* -------- plci management ------------------------------------------ */
static capidrv_plci *new_plci(capidrv_contr * card, int chan)
{
capidrv_plci *plcip;
plcip = (capidrv_plci *) kmalloc(sizeof(capidrv_plci), GFP_ATOMIC);
if (plcip == 0)
return 0;
memset(plcip, 0, sizeof(capidrv_plci));
plcip->state = ST_PLCI_NONE;
plcip->plci = 0;
plcip->msgid = 0;
plcip->chan = chan;
plcip->next = card->plci_list;
card->plci_list = plcip;
card->bchans[chan].plcip = plcip;
return plcip;
}
static capidrv_plci *find_plci_by_plci(capidrv_contr * card, __u32 plci)
{
capidrv_plci *p;
for (p = card->plci_list; p; p = p->next)
if (p->plci == plci)
return p;
return 0;
}
static capidrv_plci *find_plci_by_msgid(capidrv_contr * card, __u16 msgid)
{
capidrv_plci *p;
for (p = card->plci_list; p; p = p->next)
if (p->msgid == msgid)
return p;
return 0;
}
static capidrv_plci *find_plci_by_ncci(capidrv_contr * card, __u32 ncci)
{
capidrv_plci *p;
for (p = card->plci_list; p; p = p->next)
if (p->plci == (ncci & 0xffff))
return p;
return 0;
}
static void free_plci(capidrv_contr * card, capidrv_plci * plcip)
{
capidrv_plci **pp;
for (pp = &card->plci_list; *pp; pp = &(*pp)->next) {
if (*pp == plcip) {
*pp = (*pp)->next;
card->bchans[plcip->chan].plcip = 0;
card->bchans[plcip->chan].disconnecting = 0;
card->bchans[plcip->chan].incoming = 0;
kfree(plcip);
return;
}
}
printk(KERN_ERR "capidrv: free_plci %p (0x%x) not found, Huh?\n",
plcip, plcip->plci);
}
/* -------- ncci management ------------------------------------------ */
static inline capidrv_ncci *new_ncci(capidrv_contr * card,
capidrv_plci * plcip,
__u32 ncci)
{
capidrv_ncci *nccip;
nccip = (capidrv_ncci *) kmalloc(sizeof(capidrv_ncci), GFP_ATOMIC);
if (nccip == 0)
return 0;
memset(nccip, 0, sizeof(capidrv_ncci));
nccip->ncci = ncci;
nccip->state = ST_NCCI_NONE;
nccip->plcip = plcip;
nccip->chan = plcip->chan;
nccip->datahandle = 0;
nccip->next = plcip->ncci_list;
plcip->ncci_list = nccip;
card->bchans[plcip->chan].nccip = nccip;
return nccip;
}
static inline capidrv_ncci *find_ncci(capidrv_contr * card, __u32 ncci)
{
capidrv_plci *plcip;
capidrv_ncci *p;
if ((plcip = find_plci_by_ncci(card, ncci)) == 0)
return 0;
for (p = plcip->ncci_list; p; p = p->next)
if (p->ncci == ncci)
return p;
return 0;
}
static inline capidrv_ncci *find_ncci_by_msgid(capidrv_contr * card,
__u32 ncci, __u16 msgid)
{
capidrv_plci *plcip;
capidrv_ncci *p;
if ((plcip = find_plci_by_ncci(card, ncci)) == 0)
return 0;
for (p = plcip->ncci_list; p; p = p->next)
if (p->msgid == msgid)
return p;
return 0;
}
static void free_ncci(capidrv_contr * card, struct capidrv_ncci *nccip)
{
struct capidrv_ncci **pp;
for (pp = &(nccip->plcip->ncci_list); *pp; pp = &(*pp)->next) {
if (*pp == nccip) {
*pp = (*pp)->next;
break;
}
}
card->bchans[nccip->chan].nccip = 0;
kfree(nccip);
}
/* -------- convert and send capi message ---------------------------- */
static void send_message(capidrv_contr * card, _cmsg * cmsg)
{
struct sk_buff *skb;
size_t len;
capi_cmsg2message(cmsg, cmsg->buf);
len = CAPIMSG_LEN(cmsg->buf);
skb = dev_alloc_skb(len);
SET_SKB_FREE(skb);
memcpy(skb_put(skb, len), cmsg->buf, len);
(*capifuncs->capi_put_message) (global.appid, skb);
}
/* -------- state machine -------------------------------------------- */
struct listenstatechange {
int actstate;
int nextstate;
int event;
};
static struct listenstatechange listentable[] =
{
{ST_LISTEN_NONE, ST_LISTEN_WAIT_CONF, EV_LISTEN_REQ},
{ST_LISTEN_ACTIVE, ST_LISTEN_ACTIVE_WAIT_CONF, EV_LISTEN_REQ},
{ST_LISTEN_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_ERROR},
{ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_ERROR},
{ST_LISTEN_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_EMPTY},
{ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_EMPTY},
{ST_LISTEN_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_OK},
{ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_OK},
{},
};
static void listen_change_state(capidrv_contr * card, int event)
{
struct listenstatechange *p = listentable;
while (p->event) {
if (card->state == p->actstate && p->event == event) {
if (debugmode)
printk(KERN_DEBUG "capidrv: listen_change_state %d -> %d\n",
card->state, p->nextstate);
card->state = p->nextstate;
return;
}
p++;
}
printk(KERN_ERR "capidrv: listen_change_state state=%d event=%d ????\n",
card->state, event);
}
/* ------------------------------------------------------------------ */
static void p0(capidrv_contr * card, capidrv_plci * plci)
{
isdn_ctrl cmd;
card->bchans[plci->chan].contr = 0;
cmd.command = ISDN_STAT_DHUP;
cmd.driver = card->myid;
cmd.arg = plci->chan;
card->interface.statcallb(&cmd);
free_plci(card, plci);
}
/* ------------------------------------------------------------------ */
struct plcistatechange {
int actstate;
int nextstate;
int event;
void (*changefunc) (capidrv_contr * card, capidrv_plci * plci);
};
static struct plcistatechange plcitable[] =
{
/* P-0 */
{ST_PLCI_NONE, ST_PLCI_OUTGOING, EV_PLCI_CONNECT_REQ, 0},
{ST_PLCI_NONE, ST_PLCI_ALLOCATED, EV_PLCI_FACILITY_IND_UP, 0},
{ST_PLCI_NONE, ST_PLCI_INCOMING, EV_PLCI_CONNECT_IND, 0},
/* P-0.1 */
{ST_PLCI_OUTGOING, ST_PLCI_NONE, EV_PLCI_CONNECT_CONF_ERROR, p0},
{ST_PLCI_OUTGOING, ST_PLCI_ALLOCATED, EV_PLCI_CONNECT_CONF_OK, 0},
{ST_PLCI_OUTGOING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, 0},
{ST_PLCI_OUTGOING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, 0},
/* P-1 */
{ST_PLCI_ALLOCATED, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, 0},
{ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, 0},
{ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, 0},
{ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, 0},
/* P-ACT */
{ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, 0},
{ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, 0},
{ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, 0},
/* P-2 */
{ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_CONNECT_REJECT, 0},
{ST_PLCI_INCOMING, ST_PLCI_FACILITY_IND, EV_PLCI_FACILITY_IND_UP, 0},
{ST_PLCI_INCOMING, ST_PLCI_ACCEPTING, EV_PLCI_CONNECT_RESP, 0},
{ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, 0},
{ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, 0},
{ST_PLCI_INCOMING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, 0},
/* P-3 */
{ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_CONNECT_REJECT, 0},
{ST_PLCI_FACILITY_IND, ST_PLCI_ACCEPTING, EV_PLCI_CONNECT_ACTIVE_IND, 0},
{ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, 0},
{ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, 0},
{ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, 0},
/* P-4 */
{ST_PLCI_ACCEPTING, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, 0},
{ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, 0},
{ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, 0},
{ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, 0},
/* P-5 */
{ST_PLCI_DISCONNECTING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, 0},
/* P-6 */
{ST_PLCI_DISCONNECTED, ST_PLCI_NONE, EV_PLCI_DISCONNECT_RESP, p0},
{},
};
static void plci_change_state(capidrv_contr * card, capidrv_plci * plci, int event)
{
struct plcistatechange *p = plcitable;
while (p->event) {
if (plci->state == p->actstate && p->event == event) {
if (debugmode)
printk(KERN_DEBUG "capidrv: plci_change_state:0x%x %d -> %d\n",
plci->plci, plci->state, p->nextstate);
plci->state = p->nextstate;
if (p->changefunc)
p->changefunc(card, plci);
return;
}
p++;
}
printk(KERN_ERR "capidrv: plci_change_state:0x%x state=%d event=%d ????\n",
plci->plci, plci->state, event);
}
/* ------------------------------------------------------------------ */
static _cmsg cmsg;
static void n0(capidrv_contr * card, capidrv_ncci * ncci)
{
isdn_ctrl cmd;
capi_fill_DISCONNECT_REQ(&cmsg,
global.appid,
card->msgid++,
ncci->plcip->plci,
0, /* BChannelinformation */
0, /* Keypadfacility */
0, /* Useruserdata */
0 /* Facilitydataarray */
);
send_message(card, &cmsg);
plci_change_state(card, ncci->plcip, EV_PLCI_DISCONNECT_REQ);
cmd.command = ISDN_STAT_BHUP;
cmd.driver = card->myid;
cmd.arg = ncci->chan;
card->interface.statcallb(&cmd);
free_ncci(card, ncci);
}
/* ------------------------------------------------------------------ */
struct nccistatechange {
int actstate;
int nextstate;
int event;
void (*changefunc) (capidrv_contr * card, capidrv_ncci * ncci);
};
static struct nccistatechange nccitable[] =
{
/* N-0 */
{ST_NCCI_NONE, ST_NCCI_OUTGOING, EV_NCCI_CONNECT_B3_REQ, 0},
{ST_NCCI_NONE, ST_NCCI_INCOMING, EV_NCCI_CONNECT_B3_IND, 0},
/* N-0.1 */
{ST_NCCI_OUTGOING, ST_NCCI_ALLOCATED, EV_NCCI_CONNECT_B3_CONF_OK, 0},
{ST_NCCI_OUTGOING, ST_NCCI_NONE, EV_NCCI_CONNECT_B3_CONF_ERROR, 0},
/* N-1 */
{ST_NCCI_INCOMING, ST_NCCI_DISCONNECTING, EV_NCCI_CONNECT_B3_REJECT, 0},
{ST_NCCI_INCOMING, ST_NCCI_ALLOCATED, EV_NCCI_CONNECT_B3_RESP, 0},
{ST_NCCI_INCOMING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, 0},
{ST_NCCI_INCOMING, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, 0},
/* N-2 */
{ST_NCCI_ALLOCATED, ST_NCCI_ACTIVE, EV_NCCI_CONNECT_B3_ACTIVE_IND, 0},
{ST_NCCI_ALLOCATED, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, 0},
{ST_NCCI_ALLOCATED, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, 0},
/* N-ACT */
{ST_NCCI_ACTIVE, ST_NCCI_RESETING, EV_NCCI_RESET_B3_REQ, 0},
{ST_NCCI_ACTIVE, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, 0},
{ST_NCCI_ACTIVE, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, 0},
/* N-3 */
{ST_NCCI_RESETING, ST_NCCI_ACTIVE, EV_NCCI_RESET_B3_IND, 0},
{ST_NCCI_RESETING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, 0},
{ST_NCCI_RESETING, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, 0},
/* N-4 */
{ST_NCCI_DISCONNECTING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, 0},
{ST_NCCI_DISCONNECTING, ST_NCCI_PREVIOUS, EV_NCCI_DISCONNECT_B3_CONF_ERROR, 0},
/* N-5 */
{ST_NCCI_DISCONNECTED, ST_NCCI_NONE, EV_NCCI_DISCONNECT_B3_RESP, n0},
{},
};
static void ncci_change_state(capidrv_contr * card, capidrv_ncci * ncci, int event)
{
struct nccistatechange *p = nccitable;
while (p->event) {
if (ncci->state == p->actstate && p->event == event) {
if (debugmode)
printk(KERN_DEBUG "capidrv: ncci_change_state:0x%x %d -> %d\n",
ncci->ncci, ncci->state, p->nextstate);
if (p->nextstate == ST_NCCI_PREVIOUS) {
ncci->state = ncci->oldstate;
ncci->oldstate = p->actstate;
} else {
ncci->oldstate = p->actstate;
ncci->state = p->nextstate;
}
if (p->changefunc)
p->changefunc(card, ncci);
return;
}
p++;
}
printk(KERN_ERR "capidrv: ncci_change_state:0x%x state=%d event=%d ????\n",
ncci->ncci, ncci->state, event);
}
/* ------------------------------------------------------------------- */
static inline int new_bchan(capidrv_contr * card)
{
int i;
for (i = 0; i < card->nbchan; i++) {
if (card->bchans[i].plcip == 0) {
card->bchans[i].disconnecting = 0;
return i;
}
}
return -1;
}
/* ------------------------------------------------------------------- */
static void handle_controller(_cmsg * cmsg)
{
capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f);
if (!card) {
printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrController & 0x7f);
return;
}
switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) {
case CAPI_LISTEN_CONF: /* Controller */
if (debugmode)
printk(KERN_DEBUG "capidrv: listenconf Info=0x%4x (%s) cipmask=0x%x\n",
cmsg->Info, capi_info2str(cmsg->Info), card->cipmask);
if (cmsg->Info) {
listen_change_state(card, EV_LISTEN_CONF_ERROR);
} else if (card->cipmask == 0) {
listen_change_state(card, EV_LISTEN_CONF_EMPTY);
} else {
listen_change_state(card, EV_LISTEN_CONF_OK);
}
break;
case CAPI_MANUFACTURER_IND: /* Controller */
goto ignored;
case CAPI_MANUFACTURER_CONF: /* Controller */
goto ignored;
case CAPI_FACILITY_IND: /* Controller/plci/ncci */
goto ignored;
case CAPI_FACILITY_CONF: /* Controller/plci/ncci */
goto ignored;
case CAPI_INFO_IND: /* Controller/plci */
goto ignored;
case CAPI_INFO_CONF: /* Controller/plci */
goto ignored;
default:
printk(KERN_ERR "capidrv: got %s from controller 0x%x ???",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrController);
}
return;
ignored:
printk(KERN_INFO "capidrv: %s from controller 0x%x ignored\n",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrController);
}
static void handle_incoming_call(capidrv_contr * card, _cmsg * cmsg)
{
capidrv_plci *plcip;
capidrv_bchan *bchan;
isdn_ctrl cmd;
int chan;
if ((chan = new_bchan(card)) == -1) {
printk(KERN_ERR "capidrv: incoming call on not existing bchan ?\n");
return;
}
bchan = &card->bchans[chan];
if ((plcip = new_plci(card, chan)) == 0) {
printk(KERN_ERR "capidrv: incoming call: no memory, sorry.\n");
return;
}
bchan->incoming = 1;
plcip->plci = cmsg->adr.adrPLCI;
plci_change_state(card, plcip, EV_PLCI_CONNECT_IND);
cmd.command = ISDN_STAT_ICALL;
cmd.driver = card->myid;
cmd.arg = chan;
memset(&cmd.parm.setup, 0, sizeof(cmd.parm.setup));
strncpy(cmd.parm.setup.phone,
cmsg->CallingPartyNumber + 3,
cmsg->CallingPartyNumber[0] - 2);
strncpy(cmd.parm.setup.eazmsn,
cmsg->CalledPartyNumber + 2,
cmsg->CalledPartyNumber[0] - 1);
cmd.parm.setup.si1 = cip2si1(cmsg->CIPValue);
cmd.parm.setup.si2 = cip2si2(cmsg->CIPValue);
cmd.parm.setup.plan = cmsg->CallingPartyNumber[1];
cmd.parm.setup.screen = cmsg->CallingPartyNumber[2];
printk(KERN_INFO "capidrv: incoming call %s,%d,%d,%s\n",
cmd.parm.setup.phone,
cmd.parm.setup.si1,
cmd.parm.setup.si2,
cmd.parm.setup.eazmsn);
switch (card->interface.statcallb(&cmd)) {
case 0:
/* No device matching this call.
* and isdn_common.c has send a HANGUP command
* which is ignored in state ST_PLCI_INCOMING,
* so we send RESP to ignore the call
*/
capi_cmsg_answer(cmsg);
cmsg->Reject = 1; /* ignore */
send_message(card, cmsg);
plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT);
printk(KERN_INFO "capidrv: incoming call %s,%d,%d,%s ignored\n",
cmd.parm.setup.phone,
cmd.parm.setup.si1,
cmd.parm.setup.si2,
cmd.parm.setup.eazmsn);
break;
case 1:
/* At least one device matching this call (RING on ttyI)
* HL-driver may send ALERTING on the D-channel in this
* case.
* really means: RING on ttyI or a net interface
* accepted this call already.
*
* If the call was accepted, state has already changed,
* and CONNECT_RESP already sent.
*/
if (plcip->state == ST_PLCI_INCOMING) {
printk(KERN_INFO "capidrv: incoming call %s,%d,%d,%s tty alerting\n",
cmd.parm.setup.phone,
cmd.parm.setup.si1,
cmd.parm.setup.si2,
cmd.parm.setup.eazmsn);
capi_fill_ALERT_REQ(cmsg,
global.appid,
card->msgid++,
plcip->plci, /* adr */
0, /* BChannelinformation */
0, /* Keypadfacility */
0, /* Useruserdata */
0 /* Facilitydataarray */
);
plcip->msgid = cmsg->Messagenumber;
send_message(card, cmsg);
} else {
printk(KERN_INFO "capidrv: incoming call %s,%d,%d,%s on netdev\n",
cmd.parm.setup.phone,
cmd.parm.setup.si1,
cmd.parm.setup.si2,
cmd.parm.setup.eazmsn);
}
break;
case 2: /* Call will be rejected. */
capi_cmsg_answer(cmsg);
cmsg->Reject = 2; /* reject call, normal call clearing */
send_message(card, cmsg);
plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT);
break;
default:
/* An error happened. (Invalid parameters for example.) */
capi_cmsg_answer(cmsg);
cmsg->Reject = 8; /* reject call,
destination out of order */
send_message(card, cmsg);
plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT);
break;
}
return;
}
static void handle_plci(_cmsg * cmsg)
{
capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f);
capidrv_plci *plcip;
isdn_ctrl cmd;
if (!card) {
printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrController & 0x7f);
return;
}
switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) {
case CAPI_DISCONNECT_IND: /* plci */
if (cmsg->Reason) {
printk(KERN_INFO "capidrv: %s reason 0x%x (%s) for plci 0x%x\n",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->Reason, capi_info2str(cmsg->Reason), cmsg->adr.adrPLCI);
}
if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI))) {
capi_cmsg_answer(cmsg);
send_message(card, cmsg);
goto notfound;
}
card->bchans[plcip->chan].disconnecting = 1;
plci_change_state(card, plcip, EV_PLCI_DISCONNECT_IND);
capi_cmsg_answer(cmsg);
send_message(card, cmsg);
plci_change_state(card, plcip, EV_PLCI_DISCONNECT_RESP);
break;
case CAPI_DISCONNECT_CONF: /* plci */
if (cmsg->Info) {
printk(KERN_INFO "capidrv: %s info 0x%x (%s) for plci 0x%x\n",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->Info, capi_info2str(cmsg->Info),
cmsg->adr.adrPLCI);
}
if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI)))
goto notfound;
card->bchans[plcip->chan].disconnecting = 1;
break;
case CAPI_ALERT_CONF: /* plci */
if (cmsg->Info) {
printk(KERN_INFO "capidrv: %s info 0x%x (%s) for plci 0x%x\n",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->Info, capi_info2str(cmsg->Info),
cmsg->adr.adrPLCI);
}
break;
case CAPI_CONNECT_IND: /* plci */
handle_incoming_call(card, cmsg);
break;
case CAPI_CONNECT_CONF: /* plci */
if (cmsg->Info) {
printk(KERN_INFO "capidrv: %s info 0x%x (%s) for plci 0x%x\n",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->Info, capi_info2str(cmsg->Info),
cmsg->adr.adrPLCI);
}
if (!(plcip = find_plci_by_msgid(card, cmsg->Messagenumber)))
goto notfound;
plcip->plci = cmsg->adr.adrPLCI;
if (cmsg->Info) {
plci_change_state(card, plcip, EV_PLCI_CONNECT_CONF_ERROR);
} else {
plci_change_state(card, plcip, EV_PLCI_CONNECT_CONF_OK);
}
break;
case CAPI_CONNECT_ACTIVE_IND: /* plci */
if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI)))
goto notfound;
if (card->bchans[plcip->chan].incoming) {
capi_cmsg_answer(cmsg);
send_message(card, cmsg);
plci_change_state(card, plcip, EV_PLCI_CONNECT_ACTIVE_IND);
} else {
capidrv_ncci *nccip;
capi_cmsg_answer(cmsg);
send_message(card, cmsg);
nccip = new_ncci(card, plcip, cmsg->adr.adrPLCI);
if (!nccip) {
printk(KERN_ERR "capidrv: no mem for ncci, sorry\n");
break; /* $$$$ */
}
capi_fill_CONNECT_B3_REQ(cmsg,
global.appid,
card->msgid++,
plcip->plci, /* adr */
0 /* NCPI */
);
nccip->msgid = cmsg->Messagenumber;
send_message(card, cmsg);
cmd.command = ISDN_STAT_DCONN;
cmd.driver = card->myid;
cmd.arg = plcip->chan;
card->interface.statcallb(&cmd);
plci_change_state(card, plcip, EV_PLCI_CONNECT_ACTIVE_IND);
ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_REQ);
}
break;
case CAPI_INFO_IND: /* Controller/plci */
if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI)))
goto notfound;
if (cmsg->InfoNumber == 0x4000) {
if (cmsg->InfoElement[0] == 4) {
cmd.command = ISDN_STAT_CINF;
cmd.driver = card->myid;
cmd.arg = plcip->chan;
sprintf(cmd.parm.num, "%lu",
(unsigned long)
((__u32) cmsg->InfoElement[1]
| ((__u32) (cmsg->InfoElement[2]) << 8)
| ((__u32) (cmsg->InfoElement[3]) << 16)
| ((__u32) (cmsg->InfoElement[4]) << 24)));
card->interface.statcallb(&cmd);
break;
}
}
printk(KERN_ERR "capidrv: %s\n", capi_cmsg2str(cmsg));
break;
case CAPI_CONNECT_ACTIVE_CONF: /* plci */
goto ignored;
case CAPI_SELECT_B_PROTOCOL_CONF: /* plci */
goto ignored;
case CAPI_FACILITY_IND: /* Controller/plci/ncci */
goto ignored;
case CAPI_FACILITY_CONF: /* Controller/plci/ncci */
goto ignored;
case CAPI_INFO_CONF: /* Controller/plci */
goto ignored;
default:
printk(KERN_ERR "capidrv: got %s for plci 0x%x ???",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrPLCI);
}
return;
ignored:
printk(KERN_INFO "capidrv: %s for plci 0x%x ignored\n",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrPLCI);
return;
notfound:
printk(KERN_ERR "capidrv: %s: plci 0x%x not found\n",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrPLCI);
return;
}
static void handle_ncci(_cmsg * cmsg)
{
capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f);
capidrv_plci *plcip;
capidrv_ncci *nccip;
isdn_ctrl cmd;
if (!card) {
printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrController & 0x7f);
return;
}
switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) {
case CAPI_CONNECT_B3_ACTIVE_IND: /* ncci */
if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
goto notfound;
capi_cmsg_answer(cmsg);
send_message(card, cmsg);
ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_ACTIVE_IND);
cmd.command = ISDN_STAT_BCONN;
cmd.driver = card->myid;
cmd.arg = nccip->chan;
card->interface.statcallb(&cmd);
printk(KERN_INFO "capidrv: chan %d up with ncci 0x%x\n",
nccip->chan, nccip->ncci);
break;
case CAPI_CONNECT_B3_ACTIVE_CONF: /* ncci */
goto ignored;
case CAPI_CONNECT_B3_IND: /* ncci */
plcip = find_plci_by_ncci(card, cmsg->adr.adrNCCI);
if (plcip) {
nccip = new_ncci(card, plcip, cmsg->adr.adrNCCI);
if (nccip) {
ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_IND);
capi_fill_CONNECT_B3_RESP(cmsg,
global.appid,
card->msgid++,
nccip->ncci, /* adr */
0, /* Reject */
0 /* NCPI */
);
send_message(card, cmsg);
ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_RESP);
break;
}
printk(KERN_ERR "capidrv: no mem for ncci, sorry\n");
} else {
printk(KERN_ERR "capidrv: %s: plci for ncci 0x%x not found\n",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrNCCI);
}
capi_fill_CONNECT_B3_RESP(cmsg,
global.appid,
card->msgid++,
cmsg->adr.adrNCCI,
2, /* Reject */
0 /* NCPI */
);
send_message(card, cmsg);
break;
case CAPI_CONNECT_B3_CONF: /* ncci */
if (!(nccip = find_ncci_by_msgid(card,
cmsg->adr.adrNCCI,
cmsg->Messagenumber)))
goto notfound;
nccip->ncci = cmsg->adr.adrNCCI;
if (cmsg->Info) {
printk(KERN_INFO "capidrv: %s info 0x%x (%s) for ncci 0x%x\n",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->Info, capi_info2str(cmsg->Info),
cmsg->adr.adrNCCI);
}
if (cmsg->Info)
ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_CONF_ERROR);
else
ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_CONF_OK);
break;
case CAPI_CONNECT_B3_T90_ACTIVE_IND: /* ncci */
capi_cmsg_answer(cmsg);
send_message(card, cmsg);
break;
case CAPI_DATA_B3_IND: /* ncci */
/* handled in handle_data() */
goto ignored;
case CAPI_DATA_B3_CONF: /* ncci */
if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
goto notfound;
cmd.command = ISDN_STAT_BSENT;
cmd.driver = card->myid;
cmd.arg = nccip->chan;
card->interface.statcallb(&cmd);
break;
case CAPI_DISCONNECT_B3_IND: /* ncci */
if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
goto notfound;
card->bchans[nccip->chan].disconnecting = 1;
ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_IND);
capi_cmsg_answer(cmsg);
send_message(card, cmsg);
ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_RESP);
break;
case CAPI_DISCONNECT_B3_CONF: /* ncci */
if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
goto notfound;
if (cmsg->Info) {
printk(KERN_INFO "capidrv: %s info 0x%x (%s) for ncci 0x%x\n",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->Info, capi_info2str(cmsg->Info),
cmsg->adr.adrNCCI);
ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_CONF_ERROR);
}
break;
case CAPI_RESET_B3_IND: /* ncci */
capi_cmsg_answer(cmsg);
send_message(card, cmsg);
break;
case CAPI_RESET_B3_CONF: /* ncci */
goto ignored; /* $$$$ */
case CAPI_FACILITY_IND: /* Controller/plci/ncci */
goto ignored;
case CAPI_FACILITY_CONF: /* Controller/plci/ncci */
goto ignored;
default:
printk(KERN_ERR "capidrv: got %s for ncci 0x%x ???",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrNCCI);
}
return;
ignored:
printk(KERN_INFO "capidrv: %s for ncci 0x%x ignored\n",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrNCCI);
return;
notfound:
printk(KERN_ERR "capidrv: %s: ncci 0x%x not found\n",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrNCCI);
}
static void handle_data(_cmsg * cmsg, struct sk_buff *skb)
{
capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f);
capidrv_ncci *nccip;
if (!card) {
printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrController & 0x7f);
return;
}
if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) {
printk(KERN_ERR "capidrv: %s: ncci 0x%x not found\n",
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrNCCI);
kfree_skb(skb, FREE_READ);
return;
}
(void) skb_pull(skb, CAPIMSG_LEN(skb->data));
card->interface.rcvcallb_skb(card->myid, nccip->chan, skb);
capi_cmsg_answer(cmsg);
send_message(card, cmsg);
}
static _cmsg s_cmsg;
static void capidrv_signal(__u16 applid, __u32 dummy)
{
struct sk_buff *skb = 0;
while ((*capifuncs->capi_get_message) (global.appid, &skb) == CAPI_NOERROR) {
capi_message2cmsg(&s_cmsg, skb->data);
if (debugmode > 1)
printk(KERN_DEBUG "capidrv_signal: %s\n", capi_cmsg2str(&s_cmsg));
if (s_cmsg.Command == CAPI_DATA_B3
&& s_cmsg.Subcommand == CAPI_IND) {
handle_data(&s_cmsg, skb);
continue;
}
kfree_skb(skb, FREE_READ);
if ((s_cmsg.adr.adrController & 0xffffff00) == 0)
handle_controller(&s_cmsg);
else if ((s_cmsg.adr.adrPLCI & 0xffff0000) == 0)
handle_plci(&s_cmsg);
else
handle_ncci(&s_cmsg);
}
}
/* ------------------------------------------------------------------- */
static _cmsg cmdcmsg;
static int capidrv_ioctl(isdn_ctrl * c, capidrv_contr * card)
{
switch (c->arg) {
default:
printk(KERN_DEBUG "capidrv: capidrv_ioctl(%ld) called ??\n", c->arg);
return -EINVAL;
}
return -EINVAL;
}
static int capidrv_command(isdn_ctrl * c, capidrv_contr * card)
{
isdn_ctrl cmd;
struct capidrv_bchan *bchan;
struct capidrv_plci *plcip;
if (c->command == ISDN_CMD_IOCTL)
return capidrv_ioctl(c, card);
switch (c->command) {
case ISDN_CMD_DIAL:{
__u8 calling[ISDN_MSNLEN + 3];
__u8 called[ISDN_MSNLEN + 2];
if (debugmode)
printk(KERN_DEBUG "capidrv: ISDN_CMD_DIAL(ch=%ld,\"%s,%d,%d,%s\")\n",
c->arg,
c->parm.setup.phone,
c->parm.setup.si1,
c->parm.setup.si2,
c->parm.setup.eazmsn);
bchan = &card->bchans[c->arg % card->nbchan];
if (bchan->plcip) {
printk(KERN_ERR "capidrv: dail ch=%ld,\"%s,%d,%d,%s\" in use (plci=0x%x)\n",
c->arg,
c->parm.setup.phone,
c->parm.setup.si1,
c->parm.setup.si2,
c->parm.setup.eazmsn,
bchan->plcip->plci);
return 0;
}
bchan->si1 = c->parm.setup.si1;
bchan->si2 = c->parm.setup.si2;
strncpy(bchan->num, c->parm.setup.phone, sizeof(bchan->num));
strncpy(bchan->mynum, c->parm.setup.eazmsn, sizeof(bchan->mynum));
calling[0] = strlen(bchan->mynum) + 2;
calling[1] = 0;
calling[2] = 0x80;
strncpy(calling + 3, bchan->mynum, ISDN_MSNLEN);
called[0] = strlen(bchan->num) + 1;
called[1] = 0x80;
strncpy(called + 2, bchan->num, ISDN_MSNLEN);
capi_fill_CONNECT_REQ(&cmdcmsg,
global.appid,
card->msgid++,
card->contrnr, /* adr */
si2cip(bchan->si1, bchan->si2), /* cipvalue */
called, /* CalledPartyNumber */
calling, /* CallingPartyNumber */
0, /* CalledPartySubaddress */
0, /* CallingPartySubaddress */
b1prot(bchan->l2, bchan->l3), /* B1protocol */
b2prot(bchan->l2, bchan->l3), /* B2protocol */
b3prot(bchan->l2, bchan->l3), /* B3protocol */
0, /* B1configuration */
0, /* B2configuration */
0, /* B3configuration */
0, /* BC */
0, /* LLC */
0, /* HLC */
0, /* BChannelinformation */
0, /* Keypadfacility */
0, /* Useruserdata */
0 /* Facilitydataarray */
);
if ((plcip = new_plci(card, (c->arg % card->nbchan))) == 0) {
cmd.command = ISDN_STAT_DHUP;
cmd.driver = card->myid;
cmd.arg = (c->arg % card->nbchan);
card->interface.statcallb(&cmd);
return -1;
}
plcip->msgid = cmdcmsg.Messagenumber;
plci_change_state(card, plcip, EV_PLCI_CONNECT_REQ);
send_message(card, &cmdcmsg);
return 0;
}
case ISDN_CMD_ACCEPTD:
if (debugmode)
printk(KERN_DEBUG "capidrv: ISDN_CMD_ACCEPTD(ch=%ld)\n",
c->arg);
bchan = &card->bchans[c->arg % card->nbchan];
capi_fill_CONNECT_RESP(&cmdcmsg,
global.appid,
card->msgid++,
bchan->plcip->plci, /* adr */
0, /* Reject */
b1prot(bchan->l2, bchan->l3), /* B1protocol */
b2prot(bchan->l2, bchan->l3), /* B2protocol */
b3prot(bchan->l2, bchan->l3), /* B3protocol */
0, /* B1configuration */
0, /* B2configuration */
0, /* B3configuration */
0, /* ConnectedNumber */
0, /* ConnectedSubaddress */
0, /* LLC */
0, /* BChannelinformation */
0, /* Keypadfacility */
0, /* Useruserdata */
0 /* Facilitydataarray */
);
capi_cmsg2message(&cmdcmsg, cmdcmsg.buf);
plci_change_state(card, bchan->plcip, EV_PLCI_CONNECT_RESP);
send_message(card, &cmdcmsg);
return 0;
case ISDN_CMD_ACCEPTB:
if (debugmode)
printk(KERN_DEBUG "capidrv: ISDN_CMD_ACCEPTB(ch=%ld)\n",
c->arg);
return -ENOSYS;
case ISDN_CMD_HANGUP:
if (debugmode)
printk(KERN_DEBUG "capidrv: ISDN_CMD_HANGUP(ch=%ld)\n",
c->arg);
bchan = &card->bchans[c->arg % card->nbchan];
if (bchan->disconnecting) {
if (debugmode)
printk(KERN_DEBUG "capidrv: chan %ld already disconnecting ...\n",
c->arg);
return 0;
}
if (bchan->nccip) {
bchan->disconnecting = 1;
capi_fill_DISCONNECT_B3_REQ(&cmdcmsg,
global.appid,
card->msgid++,
bchan->nccip->ncci,
0 /* NCPI */
);
ncci_change_state(card, bchan->nccip, EV_NCCI_DISCONNECT_B3_REQ);
send_message(card, &cmdcmsg);
} else if (bchan->plcip) {
bchan->disconnecting = 1;
if (bchan->plcip->state == ST_PLCI_INCOMING) {
/* just ignore, we a called from isdn_status_callback(),
* which will return 0 or 2, this is handled by the
* CONNECT_IND handler
*/
} else {
capi_fill_DISCONNECT_REQ(&cmdcmsg,
global.appid,
card->msgid++,
bchan->plcip->plci,
0, /* BChannelinformation */
0, /* Keypadfacility */
0, /* Useruserdata */
0 /* Facilitydataarray */
);
plci_change_state(card, bchan->plcip, EV_PLCI_DISCONNECT_REQ);
send_message(card, &cmdcmsg);
}
}
/* ready */
case ISDN_CMD_SETL2:
if (debugmode)
printk(KERN_DEBUG "capidrv: set L2 on chan %ld to %ld\n",
(c->arg & 0xff), (c->arg >> 8));
bchan = &card->bchans[c->arg % card->nbchan];
bchan->l2 = (c->arg >> 8);
return 0;
case ISDN_CMD_SETL3:
if (debugmode)
printk(KERN_DEBUG "capidrv: set L3 on chan %ld to %ld\n",
(c->arg & 0xff), (c->arg >> 8));
bchan = &card->bchans[c->arg % card->nbchan];
bchan->l3 = (c->arg >> 8);
return 0;
case ISDN_CMD_SETEAZ:
if (debugmode)
printk(KERN_DEBUG "capidrv: set EAZ \"%s\" on chan %ld\n",
c->parm.num, c->arg);
bchan = &card->bchans[c->arg % card->nbchan];
strncpy(bchan->msn, c->parm.num, ISDN_MSNLEN);
return 0;
case ISDN_CMD_CLREAZ:
if (debugmode)
printk(KERN_DEBUG "capidrv: clearing EAZ on chan %ld\n", c->arg);
bchan = &card->bchans[c->arg % card->nbchan];
bchan->msn[0] = 0;
return 0;
case ISDN_CMD_LOCK:
if (debugmode > 1)
printk(KERN_DEBUG "capidrv: ISDN_CMD_LOCK (%ld)\n", c->arg);
MOD_INC_USE_COUNT;
break;
case ISDN_CMD_UNLOCK:
if (debugmode > 1)
printk(KERN_DEBUG "capidrv: ISDN_CMD_UNLOCK (%ld)\n", c->arg);
MOD_DEC_USE_COUNT;
break;
/* never called */
case ISDN_CMD_GETL2:
if (debugmode)
printk(KERN_DEBUG "capidrv: ISDN_CMD_GETL2\n");
return -ENODEV;
case ISDN_CMD_GETL3:
if (debugmode)
printk(KERN_DEBUG "capidrv: ISDN_CMD_GETL3\n");
return -ENODEV;
case ISDN_CMD_GETEAZ:
if (debugmode)
printk(KERN_DEBUG "capidrv: ISDN_CMD_GETEAZ\n");
return -ENODEV;
case ISDN_CMD_SETSIL:
if (debugmode)
printk(KERN_DEBUG "capidrv: ISDN_CMD_SETSIL\n");
return -ENODEV;
case ISDN_CMD_GETSIL:
if (debugmode)
printk(KERN_DEBUG "capidrv: ISDN_CMD_GETSIL\n");
return -ENODEV;
default:
printk(KERN_ERR "capidrv: ISDN_CMD_%d, Huh?\n", c->command);
return -EINVAL;
}
return 0;
}
static int if_command(isdn_ctrl * c)
{
capidrv_contr *card = findcontrbydriverid(c->driver);
if (card)
return capidrv_command(c, card);
printk(KERN_ERR
"capidrv: if_command %d called with invalid driverId %d!\n",
c->command, c->driver);
return -ENODEV;
}
static _cmsg sendcmsg;
static int if_sendbuf(int id, int channel, struct sk_buff *skb)
{
capidrv_contr *card = findcontrbydriverid(id);
capidrv_bchan *bchan;
capidrv_ncci *nccip;
int len = skb->len;
size_t msglen;
__u16 errcode;
if (!card) {
printk(KERN_ERR "capidrv: if_sendbuf called with invalid driverId %d!\n",
id);
return 0;
}
bchan = &card->bchans[channel % card->nbchan];
nccip = bchan->nccip;
if (!nccip || nccip->state != ST_NCCI_ACTIVE) {
printk(KERN_ERR "capidrv: if_sendbuf: %s:%d: chan not up!\n",
card->name, channel);
return 0;
}
capi_fill_DATA_B3_REQ(&sendcmsg, global.appid, card->msgid++,
nccip->ncci, /* adr */
(__u32) skb->data, /* Data */
skb->len, /* DataLength */
nccip->datahandle++, /* DataHandle */
0 /* Flags */
);
capi_cmsg2message(&sendcmsg, sendcmsg.buf);
msglen = CAPIMSG_LEN(sendcmsg.buf);
if (skb_headroom(skb) < msglen) {
struct sk_buff *nskb = dev_alloc_skb(msglen + skb->len);
if (!nskb) {
printk(KERN_ERR "capidrv: if_sendbuf: no memory\n");
return 0;
}
#if 0
printk(KERN_DEBUG "capidrv: only %d bytes headroom\n",
skb_headroom(skb));
#endif
SET_SKB_FREE(nskb);
memcpy(skb_put(nskb, msglen), sendcmsg.buf, msglen);
memcpy(skb_put(nskb, skb->len), skb->data, skb->len);
errcode = (*capifuncs->capi_put_message) (global.appid, nskb);
switch (errcode) {
case CAPI_NOERROR:
dev_kfree_skb(skb, FREE_WRITE);
return len;
case CAPI_SENDQUEUEFULL:
dev_kfree_skb(nskb, FREE_WRITE);
return 0;
default:
return -1;
}
} else {
memcpy(skb_push(skb, msglen), sendcmsg.buf, msglen);
errcode = (*capifuncs->capi_put_message) (global.appid, skb);
switch (errcode) {
case CAPI_NOERROR:
return len;
case CAPI_SENDQUEUEFULL:
return 0;
default:
return -1;
}
}
}
static int capidrv_addcontr(__u16 contr, struct capi_profile *profp)
{
capidrv_contr *card;
isdn_ctrl cmd;
char id[20];
int i;
sprintf(id, "capidrv-%d", contr);
if (!(card = (capidrv_contr *) kmalloc(sizeof(capidrv_contr), GFP_ATOMIC))) {
printk(KERN_WARNING
"capidrv: (%s) Could not allocate contr-struct.\n", id);
return -1;
}
memset(card, 0, sizeof(capidrv_contr));
strcpy(card->name, id);
card->contrnr = contr;
card->nbchan = profp->nbchannel;
card->bchans = (capidrv_bchan *) kmalloc(sizeof(capidrv_bchan) * card->nbchan, GFP_ATOMIC);
if (!card->bchans) {
printk(KERN_WARNING
"capidrv: (%s) Could not allocate bchan-structs.\n", id);
kfree(card);
return -1;
}
card->interface.channels = profp->nbchannel;
card->interface.maxbufsize = 2048;
card->interface.command = if_command;
card->interface.writebuf_skb = if_sendbuf;
card->interface.writecmd = 0;
card->interface.readstat = 0;
card->interface.features = ISDN_FEATURE_L2_X75I |
ISDN_FEATURE_L2_X75UI |
ISDN_FEATURE_L2_X75BUI |
ISDN_FEATURE_L2_HDLC |
ISDN_FEATURE_L2_TRANS |
ISDN_FEATURE_L3_TRANS |
ISDN_FEATURE_P_UNKNOWN;
card->interface.hl_hdrlen = 22; /* len of DATA_B3_REQ */
strncpy(card->interface.id, id, sizeof(card->interface.id) - 1);
card->next = global.contr_list;
global.contr_list = card;
global.ncontr++;
if (!register_isdn(&card->interface)) {
global.contr_list = global.contr_list->next;
printk(KERN_ERR "capidrv: Unable to register contr %s\n", id);
kfree(card->bchans);
kfree(card);
return -1;
}
card->myid = card->interface.channels;
memset(card->bchans, 0, sizeof(capidrv_bchan) * card->nbchan);
for (i = 0; i < card->nbchan; i++) {
card->bchans[i].contr = card;
}
cmd.driver = card->myid;
cmd.command = ISDN_STAT_RUN;
card->interface.statcallb(&cmd);
card->cipmask = 1; /* any */
card->cipmask2 = 0;
capi_fill_LISTEN_REQ(&cmdcmsg, global.appid,
card->msgid++,
contr, /* controller */
1 << 6, /* Infomask */
card->cipmask,
card->cipmask2,
0, 0);
send_message(card, &cmdcmsg);
listen_change_state(card, EV_LISTEN_REQ);
printk(KERN_INFO "%s: now up (%d B channels)\n",
card->name, card->nbchan);
return 0;
}
static int capidrv_delcontr(__u16 contr)
{
capidrv_contr **pp, *card;
isdn_ctrl cmd;
int i;
for (pp = &global.contr_list; *pp; pp = &(*pp)->next) {
if ((*pp)->contrnr == contr)
break;
}
if (!*pp) {
printk(KERN_ERR "capidrv: delcontr: no contr %u\n", contr);
return -1;
}
card = *pp;
*pp = (*pp)->next;
global.ncontr--;
for (i = 0; i < card->nbchan; i++) {
if (card->bchans[i].nccip)
free_ncci(card, card->bchans[i].nccip);
if (card->bchans[i].plcip)
free_plci(card, card->bchans[i].plcip);
if (card->plci_list)
printk(KERN_ERR "capidrv: bug in free_plci()\n");
}
kfree(card->bchans);
cmd.command = ISDN_STAT_UNLOAD;
cmd.driver = card->myid;
card->interface.statcallb(&cmd);
printk(KERN_INFO "%s: now down.\n", card->name);
kfree(card);
return 0;
}
static void lower_callback(unsigned int cmd, __u16 contr, void *data)
{
switch (cmd) {
case KCI_CONTRUP:
(void) capidrv_addcontr(contr, (capi_profile *) data);
break;
case KCI_CONTRDOWN:
(void) capidrv_delcontr(contr);
break;
}
}
static struct capi_interface_user cuser = {
"capidrv",
lower_callback
};
#ifdef MODULE
#define capidrv_init init_module
#endif
int capidrv_init(void)
{
struct capi_register_params rparam;
capi_profile profile;
char rev[10];
char *p;
__u32 ncontr, contr;
__u16 errcode;
capifuncs = attach_capi_interface(&cuser);
if (!capifuncs)
return -EIO;
#ifndef HAS_NEW_SYMTAB
/* No symbols to export, hide all symbols */
register_symtab(NULL);
#endif
if ((p = strchr(revision, ':'))) {
strcpy(rev, p + 1);
p = strchr(rev, '$');
*p = 0;
} else
strcpy(rev, " ??? ");
rparam.level3cnt = 2;
rparam.datablkcnt = 8;
rparam.datablklen = 2048;
errcode = (*capifuncs->capi_register) (&rparam, &global.appid);
if (errcode) {
detach_capi_interface(&cuser);
return -EIO;
}
errcode = (*capifuncs->capi_get_profile) (0, &profile);
if (errcode != CAPI_NOERROR) {
(void) (*capifuncs->capi_release) (global.appid);
detach_capi_interface(&cuser);
return -EIO;
}
(void) (*capifuncs->capi_set_signal) (global.appid, capidrv_signal, 0);
ncontr = profile.ncontroller;
for (contr = 1; contr <= ncontr; contr++) {
errcode = (*capifuncs->capi_get_profile) (contr, &profile);
if (errcode != CAPI_NOERROR)
continue;
(void) capidrv_addcontr(contr, &profile);
}
return 0;
}
#ifdef MODULE
void cleanup_module(void)
{
capidrv_contr *card, *next;
char rev[10];
char *p;
if ((p = strchr(revision, ':'))) {
strcpy(rev, p + 1);
p = strchr(rev, '$');
*p = 0;
} else {
strcpy(rev, " ??? ");
}
for (card = global.contr_list; card; card = next) {
next = card->next;
capidrv_delcontr(card->contrnr);
}
(void) (*capifuncs->capi_release) (global.appid);
detach_capi_interface(&cuser);
printk(KERN_NOTICE "capidrv: Rev%s: unloaded\n", rev);
}
#endif
