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Diffstat (limited to 'drivers/isdn/capi/capidrv.c')
-rw-r--r--drivers/isdn/capi/capidrv.c2525
1 files changed, 0 insertions, 2525 deletions
diff --git a/drivers/isdn/capi/capidrv.c b/drivers/isdn/capi/capidrv.c
deleted file mode 100644
index e8949f3dcae1..000000000000
--- a/drivers/isdn/capi/capidrv.c
+++ /dev/null
@@ -1,2525 +0,0 @@
-/* $Id: capidrv.c,v 1.1.2.2 2004/01/12 23:17:24 keil Exp $
- *
- * ISDN4Linux Driver, using capi20 interface (kernelcapi)
- *
- * Copyright 1997 by Carsten Paeth <calle@calle.de>
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- *
- */
-
-#include <linux/compiler.h>
-#include <linux/module.h>
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/major.h>
-#include <linux/slab.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/proc_fs.h>
-#include <linux/seq_file.h>
-#include <linux/capi.h>
-#include <linux/kernelcapi.h>
-#include <linux/ctype.h>
-#include <linux/init.h>
-#include <linux/moduleparam.h>
-
-#include <linux/isdn/capiutil.h>
-#include <linux/isdn/capicmd.h>
-#include "capidrv.h"
-
-static int debugmode = 0;
-
-MODULE_DESCRIPTION("CAPI4Linux: Interface to ISDN4Linux");
-MODULE_AUTHOR("Carsten Paeth");
-MODULE_LICENSE("GPL");
-module_param(debugmode, uint, S_IRUGO | S_IWUSR);
-
-/* -------- type definitions ----------------------------------------- */
-
-
-struct capidrv_contr {
-
- struct capidrv_contr *next;
- struct module *owner;
- u32 contrnr;
- char name[20];
-
- /*
- * for isdn4linux
- */
- isdn_if interface;
- int myid;
-
- /*
- * LISTEN state
- */
- int state;
- u32 cipmask;
- u32 cipmask2;
- struct timer_list listentimer;
-
- /*
- * 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;
- int leasedline;
- 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;
- struct ncci_datahandle_queue {
- struct ncci_datahandle_queue *next;
- u16 datahandle;
- int len;
- } *ackqueue;
- } *ncci_list;
- } *plcip;
- struct capidrv_ncci *nccip;
- } *bchans;
-
- struct capidrv_plci *plci_list;
-
- /* for q931 data */
- u8 q931_buf[4096];
- u8 *q931_read;
- u8 *q931_write;
- u8 *q931_end;
-};
-
-
-struct capidrv_data {
- struct capi20_appl ap;
- 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 DEFINE_SPINLOCK(global_lock);
-
-static void handle_dtrace_data(capidrv_contr *card,
- int send, int level2, u8 *data, u16 len);
-
-/* -------- 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;
- case ISDN_PROTO_L2_V11096:
- case ISDN_PROTO_L2_V11019:
- case ISDN_PROTO_L2_V11038:
- return 2;
- case ISDN_PROTO_L2_FAX:
- return 4;
- case ISDN_PROTO_L2_MODEM:
- return 8;
- }
-}
-
-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:
- case ISDN_PROTO_L2_TRANS:
- case ISDN_PROTO_L2_V11096:
- case ISDN_PROTO_L2_V11019:
- case ISDN_PROTO_L2_V11038:
- case ISDN_PROTO_L2_MODEM:
- return 1;
- case ISDN_PROTO_L2_FAX:
- return 4;
- }
-}
-
-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:
- case ISDN_PROTO_L2_V11096:
- case ISDN_PROTO_L2_V11019:
- case ISDN_PROTO_L2_V11038:
- case ISDN_PROTO_L2_MODEM:
- default:
- return 0;
- case ISDN_PROTO_L2_FAX:
- return 4;
- }
-}
-
-static _cstruct b1config_async_v110(u16 rate)
-{
- /* CAPI-Spec "B1 Configuration" */
- static unsigned char buf[9];
- buf[0] = 8; /* len */
- /* maximum bitrate */
- buf[1] = rate & 0xff; buf[2] = (rate >> 8) & 0xff;
- buf[3] = 8; buf[4] = 0; /* 8 bits per character */
- buf[5] = 0; buf[6] = 0; /* parity none */
- buf[7] = 0; buf[8] = 0; /* 1 stop bit */
- return buf;
-}
-
-static _cstruct b1config(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 NULL;
- case ISDN_PROTO_L2_V11096:
- return b1config_async_v110(9600);
- case ISDN_PROTO_L2_V11019:
- return b1config_async_v110(19200);
- case ISDN_PROTO_L2_V11038:
- return b1config_async_v110(38400);
- }
-}
-
-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 management ------------------------------------- */
-
-static inline capidrv_contr *findcontrbydriverid(int driverid)
-{
- unsigned long flags;
- capidrv_contr *p;
-
- spin_lock_irqsave(&global_lock, flags);
- for (p = global.contr_list; p; p = p->next)
- if (p->myid == driverid)
- break;
- spin_unlock_irqrestore(&global_lock, flags);
- return p;
-}
-
-static capidrv_contr *findcontrbynumber(u32 contr)
-{
- unsigned long flags;
- capidrv_contr *p = global.contr_list;
-
- spin_lock_irqsave(&global_lock, flags);
- for (p = global.contr_list; p; p = p->next)
- if (p->contrnr == contr)
- break;
- spin_unlock_irqrestore(&global_lock, flags);
- return p;
-}
-
-
-/* -------- plci management ------------------------------------------ */
-
-static capidrv_plci *new_plci(capidrv_contr *card, int chan)
-{
- capidrv_plci *plcip;
-
- plcip = kzalloc(sizeof(capidrv_plci), GFP_ATOMIC);
-
- if (plcip == NULL)
- return NULL;
-
- 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 NULL;
-}
-
-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 NULL;
-}
-
-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 NULL;
-}
-
-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 = NULL;
- card->bchans[plcip->chan].disconnecting = 0;
- card->bchans[plcip->chan].incoming = 0;
- kfree(plcip);
- return;
- }
- }
- printk(KERN_ERR "capidrv-%d: free_plci %p (0x%x) not found, Huh?\n",
- card->contrnr, plcip, plcip->plci);
-}
-
-/* -------- ncci management ------------------------------------------ */
-
-static inline capidrv_ncci *new_ncci(capidrv_contr *card,
- capidrv_plci *plcip,
- u32 ncci)
-{
- capidrv_ncci *nccip;
-
- nccip = kzalloc(sizeof(capidrv_ncci), GFP_ATOMIC);
-
- if (nccip == NULL)
- return NULL;
-
- 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)) == NULL)
- return NULL;
-
- for (p = plcip->ncci_list; p; p = p->next)
- if (p->ncci == ncci)
- return p;
- return NULL;
-}
-
-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)) == NULL)
- return NULL;
-
- for (p = plcip->ncci_list; p; p = p->next)
- if (p->msgid == msgid)
- return p;
- return NULL;
-}
-
-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 = NULL;
- kfree(nccip);
-}
-
-static int capidrv_add_ack(struct capidrv_ncci *nccip,
- u16 datahandle, int len)
-{
- struct ncci_datahandle_queue *n, **pp;
-
- n = kmalloc(sizeof(struct ncci_datahandle_queue), GFP_ATOMIC);
- if (!n) {
- printk(KERN_ERR "capidrv: kmalloc ncci_datahandle failed\n");
- return -1;
- }
- n->next = NULL;
- n->datahandle = datahandle;
- n->len = len;
- for (pp = &nccip->ackqueue; *pp; pp = &(*pp)->next);
- *pp = n;
- return 0;
-}
-
-static int capidrv_del_ack(struct capidrv_ncci *nccip, u16 datahandle)
-{
- struct ncci_datahandle_queue **pp, *p;
- int len;
-
- for (pp = &nccip->ackqueue; *pp; pp = &(*pp)->next) {
- if ((*pp)->datahandle == datahandle) {
- p = *pp;
- len = p->len;
- *pp = (*pp)->next;
- kfree(p);
- return len;
- }
- }
- return -1;
-}
-
-/* -------- convert and send capi message ---------------------------- */
-
-static void send_message(capidrv_contr *card, _cmsg *cmsg)
-{
- struct sk_buff *skb;
- size_t len;
-
- if (capi_cmsg2message(cmsg, cmsg->buf)) {
- printk(KERN_ERR "capidrv::send_message: parser failure\n");
- return;
- }
- len = CAPIMSG_LEN(cmsg->buf);
- skb = alloc_skb(len, GFP_ATOMIC);
- if (!skb) {
- printk(KERN_ERR "capidrv::send_message: can't allocate mem\n");
- return;
- }
- skb_put_data(skb, cmsg->buf, len);
- if (capi20_put_message(&global.ap, skb) != CAPI_NOERROR)
- kfree_skb(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-%d: listen_change_state %d -> %d\n",
- card->contrnr, card->state, p->nextstate);
- card->state = p->nextstate;
- return;
- }
- p++;
- }
- printk(KERN_ERR "capidrv-%d: listen_change_state state=%d event=%d ????\n",
- card->contrnr, card->state, event);
-
-}
-
-/* ------------------------------------------------------------------ */
-
-static void p0(capidrv_contr *card, capidrv_plci *plci)
-{
- isdn_ctrl cmd;
-
- card->bchans[plci->chan].contr = NULL;
- 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, NULL},
- {ST_PLCI_NONE, ST_PLCI_ALLOCATED, EV_PLCI_FACILITY_IND_UP, NULL},
- {ST_PLCI_NONE, ST_PLCI_INCOMING, EV_PLCI_CONNECT_IND, NULL},
- {ST_PLCI_NONE, ST_PLCI_RESUMEING, EV_PLCI_RESUME_REQ, NULL},
- /* 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, NULL},
- /* P-1 */
- {ST_PLCI_ALLOCATED, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, NULL},
- {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL},
- {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL},
- {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
- /* P-ACT */
- {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL},
- {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL},
- {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
- {ST_PLCI_ACTIVE, ST_PLCI_HELD, EV_PLCI_HOLD_IND, NULL},
- {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_SUSPEND_IND, NULL},
- /* P-2 */
- {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_CONNECT_REJECT, NULL},
- {ST_PLCI_INCOMING, ST_PLCI_FACILITY_IND, EV_PLCI_FACILITY_IND_UP, NULL},
- {ST_PLCI_INCOMING, ST_PLCI_ACCEPTING, EV_PLCI_CONNECT_RESP, NULL},
- {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL},
- {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL},
- {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
- {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_CD_IND, NULL},
- /* P-3 */
- {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_CONNECT_REJECT, NULL},
- {ST_PLCI_FACILITY_IND, ST_PLCI_ACCEPTING, EV_PLCI_CONNECT_ACTIVE_IND, NULL},
- {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL},
- {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL},
- {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
- /* P-4 */
- {ST_PLCI_ACCEPTING, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, NULL},
- {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL},
- {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL},
- {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
- /* P-5 */
- {ST_PLCI_DISCONNECTING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
- /* P-6 */
- {ST_PLCI_DISCONNECTED, ST_PLCI_NONE, EV_PLCI_DISCONNECT_RESP, p0},
- /* P-0.Res */
- {ST_PLCI_RESUMEING, ST_PLCI_NONE, EV_PLCI_RESUME_CONF_ERROR, p0},
- {ST_PLCI_RESUMEING, ST_PLCI_RESUME, EV_PLCI_RESUME_CONF_OK, NULL},
- /* P-RES */
- {ST_PLCI_RESUME, ST_PLCI_ACTIVE, EV_PLCI_RESUME_IND, NULL},
- /* P-HELD */
- {ST_PLCI_HELD, ST_PLCI_ACTIVE, EV_PLCI_RETRIEVE_IND, NULL},
- {},
-};
-
-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-%d: plci_change_state:0x%x %d -> %d\n",
- card->contrnr, plci->plci, plci->state, p->nextstate);
- plci->state = p->nextstate;
- if (p->changefunc)
- p->changefunc(card, plci);
- return;
- }
- p++;
- }
- printk(KERN_ERR "capidrv-%d: plci_change_state:0x%x state=%d event=%d ????\n",
- card->contrnr, 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.ap.applid,
- card->msgid++,
- ncci->plcip->plci,
- NULL, /* BChannelinformation */
- NULL, /* Keypadfacility */
- NULL, /* Useruserdata */ /* $$$$ */
- NULL /* Facilitydataarray */
- );
- plci_change_state(card, ncci->plcip, EV_PLCI_DISCONNECT_REQ);
- send_message(card, &cmsg);
-
- 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, NULL},
- {ST_NCCI_NONE, ST_NCCI_INCOMING, EV_NCCI_CONNECT_B3_IND, NULL},
- /* N-0.1 */
- {ST_NCCI_OUTGOING, ST_NCCI_ALLOCATED, EV_NCCI_CONNECT_B3_CONF_OK, NULL},
- {ST_NCCI_OUTGOING, ST_NCCI_NONE, EV_NCCI_CONNECT_B3_CONF_ERROR, n0},
- /* N-1 */
- {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTING, EV_NCCI_CONNECT_B3_REJECT, NULL},
- {ST_NCCI_INCOMING, ST_NCCI_ALLOCATED, EV_NCCI_CONNECT_B3_RESP, NULL},
- {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL},
- {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL},
- /* N-2 */
- {ST_NCCI_ALLOCATED, ST_NCCI_ACTIVE, EV_NCCI_CONNECT_B3_ACTIVE_IND, NULL},
- {ST_NCCI_ALLOCATED, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL},
- {ST_NCCI_ALLOCATED, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL},
- /* N-ACT */
- {ST_NCCI_ACTIVE, ST_NCCI_ACTIVE, EV_NCCI_RESET_B3_IND, NULL},
- {ST_NCCI_ACTIVE, ST_NCCI_RESETING, EV_NCCI_RESET_B3_REQ, NULL},
- {ST_NCCI_ACTIVE, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL},
- {ST_NCCI_ACTIVE, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL},
- /* N-3 */
- {ST_NCCI_RESETING, ST_NCCI_ACTIVE, EV_NCCI_RESET_B3_IND, NULL},
- {ST_NCCI_RESETING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL},
- {ST_NCCI_RESETING, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL},
- /* N-4 */
- {ST_NCCI_DISCONNECTING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL},
- {ST_NCCI_DISCONNECTING, ST_NCCI_PREVIOUS, EV_NCCI_DISCONNECT_B3_CONF_ERROR, NULL},
- /* 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-%d: ncci_change_state:0x%x %d -> %d\n",
- card->contrnr, 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-%d: ncci_change_state:0x%x state=%d event=%d ????\n",
- card->contrnr, 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 == NULL) {
- card->bchans[i].disconnecting = 0;
- return i;
- }
- }
- return -1;
-}
-
-/* ------------------------------------------------------------------- */
-static char *capi_info2str(u16 reason)
-{
-#ifndef CONFIG_ISDN_CAPI_CAPIDRV_VERBOSE
- return "..";
-#else
- switch (reason) {
-
-/*-- informative values (corresponding message was processed) -----*/
- case 0x0001:
- return "NCPI not supported by current protocol, NCPI ignored";
- case 0x0002:
- return "Flags not supported by current protocol, flags ignored";
- case 0x0003:
- return "Alert already sent by another application";
-
-/*-- error information concerning CAPI_REGISTER -----*/
- case 0x1001:
- return "Too many applications";
- case 0x1002:
- return "Logical block size too small, must be at least 128 Bytes";
- case 0x1003:
- return "Buffer exceeds 64 kByte";
- case 0x1004:
- return "Message buffer size too small, must be at least 1024 Bytes";
- case 0x1005:
- return "Max. number of logical connections not supported";
- case 0x1006:
- return "Reserved";
- case 0x1007:
- return "The message could not be accepted because of an internal busy condition";
- case 0x1008:
- return "OS resource error (no memory ?)";
- case 0x1009:
- return "CAPI not installed";
- case 0x100A:
- return "Controller does not support external equipment";
- case 0x100B:
- return "Controller does only support external equipment";
-
-/*-- error information concerning message exchange functions -----*/
- case 0x1101:
- return "Illegal application number";
- case 0x1102:
- return "Illegal command or subcommand or message length less than 12 bytes";
- case 0x1103:
- return "The message could not be accepted because of a queue full condition !! The error code does not imply that CAPI cannot receive messages directed to another controller, PLCI or NCCI";
- case 0x1104:
- return "Queue is empty";
- case 0x1105:
- return "Queue overflow, a message was lost !! This indicates a configuration error. The only recovery from this error is to perform a CAPI_RELEASE";
- case 0x1106:
- return "Unknown notification parameter";
- case 0x1107:
- return "The Message could not be accepted because of an internal busy condition";
- case 0x1108:
- return "OS Resource error (no memory ?)";
- case 0x1109:
- return "CAPI not installed";
- case 0x110A:
- return "Controller does not support external equipment";
- case 0x110B:
- return "Controller does only support external equipment";
-
-/*-- error information concerning resource / coding problems -----*/
- case 0x2001:
- return "Message not supported in current state";
- case 0x2002:
- return "Illegal Controller / PLCI / NCCI";
- case 0x2003:
- return "Out of PLCI";
- case 0x2004:
- return "Out of NCCI";
- case 0x2005:
- return "Out of LISTEN";
- case 0x2006:
- return "Out of FAX resources (protocol T.30)";
- case 0x2007:
- return "Illegal message parameter coding";
-
-/*-- error information concerning requested services -----*/
- case 0x3001:
- return "B1 protocol not supported";
- case 0x3002:
- return "B2 protocol not supported";
- case 0x3003:
- return "B3 protocol not supported";
- case 0x3004:
- return "B1 protocol parameter not supported";
- case 0x3005:
- return "B2 protocol parameter not supported";
- case 0x3006:
- return "B3 protocol parameter not supported";
- case 0x3007:
- return "B protocol combination not supported";
- case 0x3008:
- return "NCPI not supported";
- case 0x3009:
- return "CIP Value unknown";
- case 0x300A:
- return "Flags not supported (reserved bits)";
- case 0x300B:
- return "Facility not supported";
- case 0x300C:
- return "Data length not supported by current protocol";
- case 0x300D:
- return "Reset procedure not supported by current protocol";
-
-/*-- informations about the clearing of a physical connection -----*/
- case 0x3301:
- return "Protocol error layer 1 (broken line or B-channel removed by signalling protocol)";
- case 0x3302:
- return "Protocol error layer 2";
- case 0x3303:
- return "Protocol error layer 3";
- case 0x3304:
- return "Another application got that call";
-/*-- T.30 specific reasons -----*/
- case 0x3311:
- return "Connecting not successful (remote station is no FAX G3 machine)";
- case 0x3312:
- return "Connecting not successful (training error)";
- case 0x3313:
- return "Disconnected before transfer (remote station does not support transfer mode, e.g. resolution)";
- case 0x3314:
- return "Disconnected during transfer (remote abort)";
- case 0x3315:
- return "Disconnected during transfer (remote procedure error, e.g. unsuccessful repetition of T.30 commands)";
- case 0x3316:
- return "Disconnected during transfer (local tx data underrun)";
- case 0x3317:
- return "Disconnected during transfer (local rx data overflow)";
- case 0x3318:
- return "Disconnected during transfer (local abort)";
- case 0x3319:
- return "Illegal parameter coding (e.g. SFF coding error)";
-
-/*-- disconnect causes from the network according to ETS 300 102-1/Q.931 -----*/
- case 0x3481: return "Unallocated (unassigned) number";
- case 0x3482: return "No route to specified transit network";
- case 0x3483: return "No route to destination";
- case 0x3486: return "Channel unacceptable";
- case 0x3487:
- return "Call awarded and being delivered in an established channel";
- case 0x3490: return "Normal call clearing";
- case 0x3491: return "User busy";
- case 0x3492: return "No user responding";
- case 0x3493: return "No answer from user (user alerted)";
- case 0x3495: return "Call rejected";
- case 0x3496: return "Number changed";
- case 0x349A: return "Non-selected user clearing";
- case 0x349B: return "Destination out of order";
- case 0x349C: return "Invalid number format";
- case 0x349D: return "Facility rejected";
- case 0x349E: return "Response to STATUS ENQUIRY";
- case 0x349F: return "Normal, unspecified";
- case 0x34A2: return "No circuit / channel available";
- case 0x34A6: return "Network out of order";
- case 0x34A9: return "Temporary failure";
- case 0x34AA: return "Switching equipment congestion";
- case 0x34AB: return "Access information discarded";
- case 0x34AC: return "Requested circuit / channel not available";
- case 0x34AF: return "Resources unavailable, unspecified";
- case 0x34B1: return "Quality of service unavailable";
- case 0x34B2: return "Requested facility not subscribed";
- case 0x34B9: return "Bearer capability not authorized";
- case 0x34BA: return "Bearer capability not presently available";
- case 0x34BF: return "Service or option not available, unspecified";
- case 0x34C1: return "Bearer capability not implemented";
- case 0x34C2: return "Channel type not implemented";
- case 0x34C5: return "Requested facility not implemented";
- case 0x34C6: return "Only restricted digital information bearer capability is available";
- case 0x34CF: return "Service or option not implemented, unspecified";
- case 0x34D1: return "Invalid call reference value";
- case 0x34D2: return "Identified channel does not exist";
- case 0x34D3: return "A suspended call exists, but this call identity does not";
- case 0x34D4: return "Call identity in use";
- case 0x34D5: return "No call suspended";
- case 0x34D6: return "Call having the requested call identity has been cleared";
- case 0x34D8: return "Incompatible destination";
- case 0x34DB: return "Invalid transit network selection";
- case 0x34DF: return "Invalid message, unspecified";
- case 0x34E0: return "Mandatory information element is missing";
- case 0x34E1: return "Message type non-existent or not implemented";
- case 0x34E2: return "Message not compatible with call state or message type non-existent or not implemented";
- case 0x34E3: return "Information element non-existent or not implemented";
- case 0x34E4: return "Invalid information element contents";
- case 0x34E5: return "Message not compatible with call state";
- case 0x34E6: return "Recovery on timer expiry";
- case 0x34EF: return "Protocol error, unspecified";
- case 0x34FF: return "Interworking, unspecified";
-
- default: return "No additional information";
- }
-#endif
-}
-
-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-%d: listenconf Info=0x%4x (%s) cipmask=0x%x\n",
- card->contrnr, 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 */
- if (cmsg->ManuID == 0x214D5641
- && cmsg->Class == 0
- && cmsg->Function == 1) {
- u8 *data = cmsg->ManuData + 3;
- u16 len = cmsg->ManuData[0];
- u16 layer;
- int direction;
- if (len == 255) {
- len = (cmsg->ManuData[1] | (cmsg->ManuData[2] << 8));
- data += 2;
- }
- len -= 2;
- layer = ((*(data - 1)) << 8) | *(data - 2);
- if (layer & 0x300)
- direction = (layer & 0x200) ? 0 : 1;
- else direction = (layer & 0x800) ? 0 : 1;
- if (layer & 0x0C00) {
- if ((layer & 0xff) == 0x80) {
- handle_dtrace_data(card, direction, 1, data, len);
- break;
- }
- } else if ((layer & 0xff) < 0x80) {
- handle_dtrace_data(card, direction, 0, data, len);
- break;
- }
- printk(KERN_INFO "capidrv-%d: %s from controller 0x%x layer 0x%x, ignored\n",
- card->contrnr,
- capi_cmd2str(cmsg->Command, cmsg->Subcommand),
- cmsg->adr.adrController, layer);
- break;
- }
- goto ignored;
- case CAPI_MANUFACTURER_CONF: /* Controller */
- if (cmsg->ManuID == 0x214D5641) {
- char *s = NULL;
- switch (cmsg->Class) {
- case 0: break;
- case 1: s = "unknown class"; break;
- case 2: s = "unknown function"; break;
- default: s = "unknown error"; break;
- }
- if (s)
- printk(KERN_INFO "capidrv-%d: %s from controller 0x%x function %d: %s\n",
- card->contrnr,
- capi_cmd2str(cmsg->Command, cmsg->Subcommand),
- cmsg->adr.adrController,
- cmsg->Function, s);
- break;
- }
- 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-%d: got %s from controller 0x%x ???",
- card->contrnr,
- capi_cmd2str(cmsg->Command, cmsg->Subcommand),
- cmsg->adr.adrController);
- }
- return;
-
-ignored:
- printk(KERN_INFO "capidrv-%d: %s from controller 0x%x ignored\n",
- card->contrnr,
- 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-%d: incoming call on not existing bchan ?\n", card->contrnr);
- return;
- }
- bchan = &card->bchans[chan];
- if ((plcip = new_plci(card, chan)) == NULL) {
- printk(KERN_ERR "capidrv-%d: incoming call: no memory, sorry.\n", card->contrnr);
- 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-%d: incoming call %s,%d,%d,%s\n",
- card->contrnr,
- cmd.parm.setup.phone,
- cmd.parm.setup.si1,
- cmd.parm.setup.si2,
- cmd.parm.setup.eazmsn);
-
- if (cmd.parm.setup.si1 == 1 && cmd.parm.setup.si2 != 0) {
- printk(KERN_INFO "capidrv-%d: patching si2=%d to 0 for VBOX\n",
- card->contrnr,
- cmd.parm.setup.si2);
- cmd.parm.setup.si2 = 0;
- }
-
- switch (card->interface.statcallb(&cmd)) {
- case 0:
- case 3:
- /* 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 */
- plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT);
- send_message(card, cmsg);
- printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s ignored\n",
- card->contrnr,
-