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path: root/drivers/isdn/capi/capidrv.c
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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,
- 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-%d: incoming call %s,%d,%d,%s tty alerting\n",
- card->contrnr,
- cmd.parm.setup.phone,
- cmd.parm.setup.si1,
- cmd.parm.setup.si2,
- cmd.parm.setup.eazmsn);
- capi_fill_ALERT_REQ(cmsg,
- global.ap.applid,
- card->msgid++,
- plcip->plci, /* adr */
- NULL,/* BChannelinformation */
- NULL,/* Keypadfacility */
- NULL,/* Useruserdata */
- NULL /* Facilitydataarray */
- );
- plcip->msgid = cmsg->Messagenumber;
- send_message(card, cmsg);
- } else {
- printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s on netdev\n",
- card->contrnr,
- 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 */
- plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT);
- send_message(card, cmsg);
- break;
-
- default:
- /* An error happened. (Invalid parameters for example.) */
- capi_cmsg_answer(cmsg);
- cmsg->Reject = 8; /* reject call,
- destination out of order */
- plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT);
- send_message(card, cmsg);
- break;
- }
- return;
-}
-
-static void handle_plci(_cmsg *cmsg)
-{
- capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f);
- capidrv_plci *plcip;
- isdn_ctrl cmd;
- _cdebbuf *cdb;
-
- 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-%d: %s reason 0x%x (%s) for plci 0x%x\n",
- card->contrnr,
- 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);
- plci_change_state(card, plcip, EV_PLCI_DISCONNECT_RESP);
- send_message(card, cmsg);
- break;
-
- case CAPI_DISCONNECT_CONF: /* plci */
- if (cmsg->Info) {
- printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for plci 0x%x\n",
- card->contrnr,
- 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-%d: %s info 0x%x (%s) for plci 0x%x\n",
- card->contrnr,
- 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-%d: %s info 0x%x (%s) for plci 0x%x\n",
- card->contrnr,
- 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);
- plci_change_state(card, plcip, EV_PLCI_CONNECT_ACTIVE_IND);
- send_message(card, cmsg);
- } 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-%d: no mem for ncci, sorry\n", card->contrnr);
- break; /* $$$$ */
- }
- capi_fill_CONNECT_B3_REQ(cmsg,
- global.ap.applid,
- card->msgid++,
- plcip->plci, /* adr */
- NULL /* NCPI */
- );
- nccip->msgid = cmsg->Messagenumber;
- plci_change_state(card, plcip,
- EV_PLCI_CONNECT_ACTIVE_IND);
- ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_REQ);
- send_message(card, cmsg);
- cmd.command = ISDN_STAT_DCONN;
- cmd.driver = card->myid;
- cmd.arg = plcip->chan;
- card->interface.statcallb(&cmd);
- }
- 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;
- }
- }
- cdb = capi_cmsg2str(cmsg);
- if (cdb) {
- printk(KERN_WARNING "capidrv-%d: %s\n",
- card->contrnr, cdb->buf);
- cdebbuf_free(cdb);
- } else
- printk(KERN_WARNING "capidrv-%d: CAPI_INFO_IND InfoNumber %x not handled\n",
- card->contrnr, cmsg->InfoNumber);
-
- 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-%d: got %s for plci 0x%x ???",
- card->contrnr,
- capi_cmd2str(cmsg->Command, cmsg->Subcommand),
- cmsg->adr.adrPLCI);
- }
- return;
-ignored:
- printk(KERN_INFO "capidrv-%d: %s for plci 0x%x ignored\n",
- card->contrnr,
- capi_cmd2str(cmsg->Command, cmsg->Subcommand),
- cmsg->adr.adrPLCI);
- return;
-notfound:
- printk(KERN_ERR "capidrv-%d: %s: plci 0x%x not found\n",
- card->contrnr,
- 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;
- int len;
-
- 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);
- ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_ACTIVE_IND);
- send_message(card, cmsg);
-
- cmd.command = ISDN_STAT_BCONN;
- cmd.driver = card->myid;
- cmd.arg = nccip->chan;
- card->interface.statcallb(&cmd);
-
- printk(KERN_INFO "capidrv-%d: chan %d up with ncci 0x%x\n",
- card->contrnr, 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.ap.applid,
- card->msgid++,
- nccip->ncci, /* adr */
- 0, /* Reject */
- NULL /* NCPI */
- );
- ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_RESP);
- send_message(card, cmsg);
- break;
- }
- printk(KERN_ERR "capidrv-%d: no mem for ncci, sorry\n", card->contrnr);
- } else {
- printk(KERN_ERR "capidrv-%d: %s: plci for ncci 0x%x not found\n",
- card->contrnr,
- capi_cmd2str(cmsg->Command, cmsg->Subcommand),
- cmsg->adr.adrNCCI);
- }
- capi_fill_CONNECT_B3_RESP(cmsg,
- global.ap.applid,
- card->msgid++,
- cmsg->adr.adrNCCI,
- 2, /* Reject */
- NULL /* 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-%d: %s info 0x%x (%s) for ncci 0x%x\n",
- card->contrnr,
- 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 (cmsg->Info) {
- printk(KERN_WARNING "CAPI_DATA_B3_CONF: Info %x - %s\n",
- cmsg->Info, capi_info2str(cmsg->Info));
- }
- if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
- goto notfound;
-
- len = capidrv_del_ack(nccip, cmsg->DataHandle);
- if (len < 0)
- break;
- cmd.command = ISDN_STAT_BSENT;
- cmd.driver = card->myid;
- cmd.arg = nccip->chan;
- cmd.parm.length = len;
- 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);
- ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_RESP);
- send_message(card, cmsg);
- break;
-
- case CAPI_DISCONNECT_B3_CONF: /* ncci */
- if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
- goto notfound;
- if (cmsg->Info) {
- printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for ncci 0x%x\n",
- card->contrnr,
- 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 */
- if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
- goto notfound;
- ncci_change_state(card, nccip, EV_NCCI_RESET_B3_IND);
- 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-%d: got %s for ncci 0x%x ???",
- card->contrnr,
- capi_cmd2str(cmsg->Command, cmsg->Subcommand),
- cmsg->adr.adrNCCI);
- }
- return;
-ignored:
- printk(KERN_INFO "capidrv-%d: %s for ncci 0x%x ignored\n",
- card->contrnr,
- capi_cmd2str(cmsg->Command, cmsg->Subcommand),
- cmsg->adr.adrNCCI);
- return;
-notfound:
- printk(KERN_ERR "capidrv-%d: %s: ncci 0x%x not found\n",
- card->contrnr,
- 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);
- kfree_skb(skb);
- return;
- }
- if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) {
- printk(KERN_ERR "capidrv-%d: %s: ncci 0x%x not found\n",
- card->contrnr,
- capi_cmd2str(cmsg->Command, cmsg->Subcommand),
- cmsg->adr.adrNCCI);
- kfree_skb(skb);
- 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_recv_message(struct capi20_appl *ap, struct sk_buff *skb)
-{
- if (capi_message2cmsg(&s_cmsg, skb->data)) {
- printk(KERN_ERR "capidrv: applid=%d: received invalid message\n",
- ap->applid);
- kfree_skb(skb);
- return;
- }
- if (debugmode > 3) {
- _cdebbuf *cdb = capi_cmsg2str(&s_cmsg);
-
- if (cdb) {
- printk(KERN_DEBUG "%s: applid=%d %s\n", __func__,
- ap->applid, cdb->buf);
- cdebbuf_free(cdb);
- } else
- printk(KERN_DEBUG "%s: applid=%d %s not traced\n",
- __func__, ap->applid,
- capi_cmd2str(s_cmsg.Command, s_cmsg.Subcommand));
- }
- if (s_cmsg.Command == CAPI_DATA_B3
- && s_cmsg.Subcommand == CAPI_IND) {
- handle_data(&s_cmsg, skb);
- return;
- }
- 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);
- /*
- * data of skb used in s_cmsg,
- * free data when s_cmsg is not used again
- * thanks to Lars Heete <hel@admin.de>
- */
- kfree_skb(skb);
-}
-
-/* ------------------------------------------------------------------- */
-
-#define PUTBYTE_TO_STATUS(card, byte) \
- do { \
- *(card)->q931_write++ = (byte); \
- if ((card)->q931_write > (card)->q931_end) \
- (card)->q931_write = (card)->q931_buf; \
- } while (0)
-
-static void handle_dtrace_data(capidrv_contr *card,
- int send, int level2, u8 *data, u16 len)
-{
- u8 *p, *end;
- isdn_ctrl cmd;
-
- if (!len) {
- printk(KERN_DEBUG "capidrv-%d: avmb1_q931_data: len == %d\n",
- card->contrnr, len);
- return;
- }
-
- if (level2) {
- PUTBYTE_TO_STATUS(card, 'D');
- PUTBYTE_TO_STATUS(card, '2');
- PUTBYTE_TO_STATUS(card, send ? '>' : '<');
- PUTBYTE_TO_STATUS(card, ':');
- } else {
- PUTBYTE_TO_STATUS(card, 'D');
- PUTBYTE_TO_STATUS(card, '3');
- PUTBYTE_TO_STATUS(card, send ? '>' : '<');
- PUTBYTE_TO_STATUS(card, ':');
- }
-
- for (p = data, end = data + len; p < end; p++) {
- PUTBYTE_TO_STATUS(card, ' ');
- PUTBYTE_TO_STATUS(card, hex_asc_hi(*p));
- PUTBYTE_TO_STATUS(card, hex_asc_lo(*p));
- }
- PUTBYTE_TO_STATUS(card, '\n');
-
- cmd.command = ISDN_STAT_STAVAIL;
- cmd.driver = card->myid;
- cmd.arg = len * 3 + 5;
- card->interface.statcallb(&cmd);
-}
-
-/* ------------------------------------------------------------------- */
-
-static _cmsg cmdcmsg;
-
-static int capidrv_ioctl(isdn_ctrl *c, capidrv_contr *card)
-{
- switch (c->arg) {
- case 1:
- debugmode = (int)(*((unsigned int *)c->parm.num));
- printk(KERN_DEBUG "capidrv-%d: debugmode=%d\n",
- card->contrnr, debugmode);
- return 0;
- default:
- printk(KERN_DEBUG "capidrv-%d: capidrv_ioctl(%ld) called ??\n",
- card->contrnr, c->arg);
- return -EINVAL;
- }
- return -EINVAL;
-}
-
-/*
- * Handle leased lines (CAPI-Bundling)
- */
-
-struct internal_bchannelinfo {
- unsigned short channelalloc;
- unsigned short operation;
- unsigned char cmask[31];
-};
-
-static int decodeFVteln(char *teln, unsigned long *bmaskp, int *activep)
-{
- unsigned long bmask = 0;
- int active = !0;
- char *s;
- int i;
-
- if (strncmp(teln, "FV:", 3) != 0)
- return 1;
- s = teln + 3;
- while (*s && *s == ' ') s++;
- if (!*s) return -2;
- if (*s == 'p' || *s == 'P') {
- active = 0;
- s++;
- }
- if (*s == 'a' || *s == 'A') {
- active = !0;
- s++;
- }
- while (*s) {
- int digit1 = 0;
- int digit2 = 0;
- char *endp;
-
- digit1 = simple_strtoul(s, &endp, 10);
- if (s == endp)
- return -3;
- s = endp;
-
- if (digit1 <= 0 || digit1 > 30) return -4;
- if (*s == 0 || *s == ',' || *s == ' ') {
- bmask |= (1 << digit1);
- digit1 = 0;
- if (*s) s++;
- continue;
- }
- if (*s != '-') return -5;
- s++;
-
- digit2 = simple_strtoul(s, &endp, 10);
- if (s == endp)
- return -3;
- s = endp;
-
- if (digit2 <= 0 || digit2 > 30) return -4;
- if (*s == 0 || *s == ',' || *s == ' ') {
- if (digit1 > digit2)
- for (i = digit2; i <= digit1; i++)
- bmask |= (1 << i);
- else
- for (i = digit1; i <= digit2; i++)
- bmask |= (1 << i);
- digit1 = digit2 = 0;
- if (*s) s++;
- continue;
- }
- return -6;
- }
- if (activep) *activep = active;
- if (bmaskp) *bmaskp = bmask;
- return 0;
-}
-
-static int FVteln2capi20(char *teln, u8 AdditionalInfo[1 + 2 + 2 + 31])
-{
- unsigned long bmask;
- int active;
- int rc, i;
-
- rc = decodeFVteln(teln, &bmask, &active);
- if (rc) return rc;
- /* Length */
- AdditionalInfo[0] = 2 + 2 + 31;
- /* Channel: 3 => use channel allocation */
- AdditionalInfo[1] = 3; AdditionalInfo[2] = 0;
- /* Operation: 0 => DTE mode, 1 => DCE mode */
- if (active) {
- AdditionalInfo[3] = 0; AdditionalInfo[4] = 0;
- } else {
- AdditionalInfo[3] = 1; AdditionalInfo[4] = 0;
- }
- /* Channel mask array */
- AdditionalInfo[5] = 0; /* no D-Channel */
- for (i = 1; i <= 30; i++)
- AdditionalInfo[5 + i] = (bmask & (1 << i)) ? 0xff : 0;
- return 0;
-}
-
-static int capidrv_command(isdn_ctrl *c, capidrv_contr *card)
-{
- isdn_ctrl cmd;
- struct capidrv_bchan *bchan;
- struct capidrv_plci *plcip;
- u8 AdditionalInfo[1 + 2 + 2 + 31];
- int rc, isleasedline = 0;
-
- 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-%d: ISDN_CMD_DIAL(ch=%ld,\"%s,%d,%d,%s\")\n",
- card->contrnr,
- 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-%d: dail ch=%ld,\"%s,%d,%d,%s\" in use (plci=0x%x)\n",
- card->contrnr,
- 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));
- rc = FVteln2capi20(bchan->num, AdditionalInfo);
- isleasedline = (rc == 0);
- if (rc < 0)
- printk(KERN_ERR "capidrv-%d: WARNING: invalid leased linedefinition \"%s\"\n", card->contrnr, bchan->num);
-
- if (isleasedline) {
- calling[0] = 0;
- called[0] = 0;
- if (debugmode)
- printk(KERN_DEBUG "capidrv-%d: connecting leased line\n", card->contrnr);
- } else {
- 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.ap.applid,
- card->msgid++,
- card->contrnr, /* adr */
- si2cip(bchan->si1, bchan->si2), /* cipvalue */
- called, /* CalledPartyNumber */
- calling, /* CallingPartyNumber */
- NULL, /* CalledPartySubaddress */
- NULL, /* CallingPartySubaddress */
- b1prot(bchan->l2, bchan->l3), /* B1protocol */
- b2prot(bchan->l2, bchan->l3), /* B2protocol */
- b3prot(bchan->l2, bchan->l3), /* B3protocol */
- b1config(bchan->l2, bchan->l3), /* B1configuration */
- NULL, /* B2configuration */
- NULL, /* B3configuration */
- NULL, /* BC */
- NULL, /* LLC */
- NULL, /* HLC */
- /* BChannelinformation */
- isleasedline ? AdditionalInfo : NULL,
- NULL, /* Keypadfacility */
- NULL, /* Useruserdata */
- NULL /* Facilitydataarray */
- );
- if ((plcip = new_plci(card, (c->arg % card->nbchan))) == NULL) {
- 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;
- plcip->leasedline = isleasedline;
- plci_change_state(card, plcip, EV_PLCI_CONNECT_REQ);
- send_message(card, &cmdcmsg);
- return 0;
- }
-
- case ISDN_CMD_ACCEPTD:
-
- bchan = &card->bchans[c->arg % card->nbchan];
- if (debugmode)
- printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_ACCEPTD(ch=%ld) l2=%d l3=%d\n",
- card->contrnr,
- c->arg, bchan->l2, bchan->l3);
-
- capi_fill_CONNECT_RESP(&cmdcmsg,
- global.ap.applid,
- 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 */
- b1config(bchan->l2, bchan->l3), /* B1configuration */
- NULL, /* B2configuration */
- NULL, /* B3configuration */
- NULL, /* ConnectedNumber */
- NULL, /* ConnectedSubaddress */
- NULL, /* LLC */
- NULL, /* BChannelinformation */
- NULL, /* Keypadfacility */
- NULL, /* Useruserdata */
- NULL /* Facilitydataarray */
- );
- if (capi_cmsg2message(&cmdcmsg, cmdcmsg.buf)) {
- printk(KERN_ERR "capidrv-%d: capidrv_command: parser failure\n",
- card->contrnr);
- return -EINVAL;
- }
- 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-%d: ISDN_CMD_ACCEPTB(ch=%ld)\n",
- card->contrnr,
- c->arg);
- return -ENOSYS;
-
- case ISDN_CMD_HANGUP:
- if (debugmode)
- printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_HANGUP(ch=%ld)\n",
- card->contrnr,
- c->arg);
- bchan = &card->bchans[c->arg % card->nbchan];
-
- if (bchan->disconnecting) {
- if (debugmode)
- printk(KERN_DEBUG "capidrv-%d: chan %ld already disconnecting ...\n",
- card->contrnr,
- c->arg);
- return 0;
- }
- if (bchan->nccip) {
- bchan->disconnecting = 1;
- capi_fill_DISCONNECT_B3_REQ(&cmdcmsg,
- global.ap.applid,
- card->msgid++,
- bchan->nccip->ncci,
- NULL /* NCPI */
- );
- ncci_change_state(card, bchan->nccip, EV_NCCI_DISCONNECT_B3_REQ);
- send_message(card, &cmdcmsg);
- return 0;
- } else if (bchan->plcip) {
- 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
- */
- bchan->disconnecting = 1;
- return 0;
- } else if (bchan->plcip->plci) {
- bchan->disconnecting = 1;
- capi_fill_DISCONNECT_REQ(&cmdcmsg,
- global.ap.applid,
- card->msgid++,
- bchan->plcip->plci,
- NULL, /* BChannelinformation */
- NULL, /* Keypadfacility */
- NULL, /* Useruserdata */
- NULL /* Facilitydataarray */
- );
- plci_change_state(card, bchan->plcip, EV_PLCI_DISCONNECT_REQ);
- send_message(card, &cmdcmsg);
- return 0;
- } else {
- printk(KERN_ERR "capidrv-%d: chan %ld disconnect request while waiting for CONNECT_CONF\n",
- card->contrnr,
- c->arg);
- return -EINVAL;
- }
- }
- printk(KERN_ERR "capidrv-%d: chan %ld disconnect request on free channel\n",
- card->contrnr,
- c->arg);
- return -EINVAL;
-/* ready */
-
- case ISDN_CMD_SETL2:
- if (debugmode)
- printk(KERN_DEBUG "capidrv-%d: set L2 on chan %ld to %ld\n",
- card->contrnr,
- (c->arg & 0xff), (c->arg >> 8));
- bchan = &card->bchans[(c->arg & 0xff) % card->nbchan];
- bchan->l2 = (c->arg >> 8);
- return 0;
-
- case ISDN_CMD_SETL3:
- if (debugmode)
- printk(KERN_DEBUG "capidrv-%d: set L3 on chan %ld to %ld\n",
- card->contrnr,
- (c->arg & 0xff), (c->arg >> 8));
- bchan = &card->bchans[(c->arg & 0xff) % card->nbchan];
- bchan->l3 = (c->arg >> 8);
- return 0;
-
- case ISDN_CMD_SETEAZ:
- if (debugmode)
- printk(KERN_DEBUG "capidrv-%d: set EAZ \"%s\" on chan %ld\n",
- card->contrnr,
- 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-%d: clearing EAZ on chan %ld\n",
- card->contrnr, c->arg);
- bchan = &card->bchans[c->arg % card->nbchan];
- bchan->msn[0] = 0;
- return 0;
-
- default:
- printk(KERN_ERR "capidrv-%d: ISDN_CMD_%d, Huh?\n",
- card->contrnr, 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, int doack, struct sk_buff *skb)
-{
- capidrv_contr *card = findcontrbydriverid(id);
- capidrv_bchan *bchan;
- capidrv_ncci *nccip;
- int len = skb->len;
- int msglen;
- u16 errcode;
- u16 datahandle;
- u32 data;
-
- if (!card) {
- printk(KERN_ERR "capidrv: if_sendbuf called with invalid driverId %d!\n",
- id);
- return 0;
- }
- if (debugmode > 4)
- printk(KERN_DEBUG "capidrv-%d: sendbuf len=%d skb=%p doack=%d\n",
- card->contrnr, len, skb, doack);
- bchan = &card->bchans[channel % card->nbchan];
- nccip = bchan->nccip;
- if (!nccip || nccip->state != ST_NCCI_ACTIVE) {
- printk(KERN_ERR "capidrv-%d: if_sendbuf: %s:%d: chan not up!\n",
- card->contrnr, card->name, channel);
- return 0;
- }
- datahandle = nccip->datahandle;
-
- /*
- * Here we copy pointer skb->data into the 32-bit 'Data' field.
- * The 'Data' field is not used in practice in linux kernel
- * (neither in 32 or 64 bit), but should have some value,
- * since a CAPI message trace will display it.
- *
- * The correct value in the 32 bit case is the address of the
- * data, in 64 bit it makes no sense, we use 0 there.
- */
-
-#ifdef CONFIG_64BIT
- data = 0;
-#else
- data = (unsigned long) skb->data;
-#endif
-
- capi_fill_DATA_B3_REQ(&sendcmsg, global.ap.applid, card->msgid++,
- nccip->ncci, /* adr */
- data, /* Data */
- skb->len, /* DataLength */
- datahandle, /* DataHandle */
- 0 /* Flags */
- );
-
- if (capidrv_add_ack(nccip, datahandle, doack ? (int)skb->len : -1) < 0)
- return 0;
-
- if (capi_cmsg2message(&sendcmsg, sendcmsg.buf)) {
- printk(KERN_ERR "capidrv-%d: if_sendbuf: parser failure\n",
- card->contrnr);
- return -EINVAL;
- }
- msglen = CAPIMSG_LEN(sendcmsg.buf);
- if (skb_headroom(skb) < msglen) {
- struct sk_buff *nskb = skb_realloc_headroom(skb, msglen);
- if (!nskb) {
- printk(KERN_ERR "capidrv-%d: if_sendbuf: no memory\n",
- card->contrnr);
- (void)capidrv_del_ack(nccip, datahandle);
- return 0;
- }
- printk(KERN_DEBUG "capidrv-%d: only %d bytes headroom, need %d\n",
- card->contrnr, skb_headroom(skb), msglen);
- memcpy(skb_push(nskb, msglen), sendcmsg.buf, msglen);
- errcode = capi20_put_message(&global.ap, nskb);
- if (errcode == CAPI_NOERROR) {
- dev_kfree_skb(skb);
- nccip->datahandle++;
- return len;
- }
- if (debugmode > 3)
- printk(KERN_DEBUG "capidrv-%d: sendbuf putmsg ret(%x) - %s\n",
- card->contrnr, errcode, capi_info2str(errcode));
- (void)capidrv_del_ack(nccip, datahandle);
- dev_kfree_skb(nskb);
- return errcode == CAPI_SENDQUEUEFULL ? 0 : -1;
- } else {
- memcpy(skb_push(skb, msglen), sendcmsg.buf, msglen);
- errcode = capi20_put_message(&global.ap, skb);
- if (errcode == CAPI_NOERROR) {
- nccip->datahandle++;
- return len;
- }
- if (debugmode > 3)
- printk(KERN_DEBUG "capidrv-%d: sendbuf putmsg ret(%x) - %s\n",
- card->contrnr, errcode, capi_info2str(errcode));
- skb_pull(skb, msglen);
- (void)capidrv_del_ack(nccip, datahandle);
- return errcode == CAPI_SENDQUEUEFULL ? 0 : -1;
- }
-}
-
-static int if_readstat(u8 __user *buf, int len, int id, int channel)
-{
- capidrv_contr *card = findcontrbydriverid(id);
- int count;
- u8 __user *p;
-
- if (!card) {
- printk(KERN_ERR "capidrv: if_readstat called with invalid driverId %d!\n",
- id);
- return -ENODEV;
- }
-
- for (p = buf, count = 0; count < len; p++, count++) {
- if (put_user(*card->q931_read++, p))
- return -EFAULT;
- if (card->q931_read > card->q931_end)
- card->q931_read = card->q931_buf;
- }
- return count;
-
-}
-
-static void enable_dchannel_trace(capidrv_contr *card)
-{
- u8 manufacturer[CAPI_MANUFACTURER_LEN];
- capi_version version;
- u16 contr = card->contrnr;
- u16 errcode;
- u16 avmversion[3];
-
- errcode = capi20_get_manufacturer(contr, manufacturer);
- if (errcode != CAPI_NOERROR) {
- printk(KERN_ERR "%s: can't get manufacturer (0x%x)\n",
- card->name, errcode);
- return;
- }
- if (strstr(manufacturer, "AVM") == NULL) {
- printk(KERN_ERR "%s: not from AVM, no d-channel trace possible (%s)\n",
- card->name, manufacturer);
- return;
- }
- errcode = capi20_get_version(contr, &version);
- if (errcode != CAPI_NOERROR) {
- printk(KERN_ERR "%s: can't get version (0x%x)\n",
- card->name, errcode);
- return;
- }
- avmversion[0] = (version.majormanuversion >> 4) & 0x0f;
- avmversion[1] = (version.majormanuversion << 4) & 0xf0;
- avmversion[1] |= (version.minormanuversion >> 4) & 0x0f;
- avmversion[2] |= version.minormanuversion & 0x0f;
-
- if (avmversion[0] > 3 || (avmversion[0] == 3 && avmversion[1] > 5)) {
- printk(KERN_INFO "%s: D2 trace enabled\n", card->name);
- capi_fill_MANUFACTURER_REQ(&cmdcmsg, global.ap.applid,
- card->msgid++,
- contr,
- 0x214D5641, /* ManuID */
- 0, /* Class */
- 1, /* Function */
- (_cstruct)"\004\200\014\000\000");
- } else {
- printk(KERN_INFO "%s: D3 trace enabled\n", card->name);
- capi_fill_MANUFACTURER_REQ(&cmdcmsg, global.ap.applid,
- card->msgid++,
- contr,
- 0x214D5641, /* ManuID */
- 0, /* Class */
- 1, /* Function */
- (_cstruct)"\004\002\003\000\000");
- }
- send_message(card, &cmdcmsg);
-}
-
-
-static void send_listen(capidrv_contr *card)
-{
- capi_fill_LISTEN_REQ(&cmdcmsg, global.ap.applid,
- card->msgid++,
- card->contrnr, /* controller */
- 1 << 6, /* Infomask */
- card->cipmask,
- card->cipmask2,
- NULL, NULL);
- listen_change_state(card, EV_LISTEN_REQ);
- send_message(card, &cmdcmsg);
-}
-
-static void listentimerfunc(struct timer_list *t)
-{
- capidrv_contr *card = from_timer(card, t, listentimer);
- if (card->state != ST_LISTEN_NONE && card->state != ST_LISTEN_ACTIVE)
- printk(KERN_ERR "%s: controller dead ??\n", card->name);
- send_listen(card);
- mod_timer(&card->listentimer, jiffies + 60 * HZ);
-}
-
-
-static int capidrv_addcontr(u16 contr, struct capi_profile *profp)
-{
- capidrv_contr *card;
- unsigned long flags;
- isdn_ctrl cmd;
- char id[20];
- int i;
-
- sprintf(id, "capidrv-%d", contr);
- if (!try_module_get(THIS_MODULE)) {
- printk(KERN_WARNING "capidrv: (%s) Could not reserve module\n", id);
- return -1;
- }
- if (!(card = kzalloc(sizeof(capidrv_contr), GFP_ATOMIC))) {
- printk(KERN_WARNING
- "capidrv: (%s) Could not allocate contr-struct.\n", id);
- return -1;
- }
- card->owner = THIS_MODULE;
- timer_setup(&card->listentimer, listentimerfunc, 0);
- strcpy(card->name, id);
- card->contrnr = contr;
- card->nbchan = profp->nbchannel;
- card->bchans = kmalloc_array(card->nbchan, sizeof(capidrv_bchan),
- GFP_ATOMIC);
- if (!card->bchans) {
- printk(KERN_WARNING
- "capidrv: (%s) Could not allocate bchan-structs.\n", id);
- module_put(card->owner);
- 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 = NULL;
- card->interface.readstat = if_readstat;
- card->interface.features =
- ISDN_FEATURE_L2_HDLC |
- ISDN_FEATURE_L2_TRANS |
- ISDN_FEATURE_L3_TRANS |
- ISDN_FEATURE_P_UNKNOWN |
- ISDN_FEATURE_L2_X75I |
- ISDN_FEATURE_L2_X75UI |
- ISDN_FEATURE_L2_X75BUI;
- if (profp->support1 & (1 << 2))
- card->interface.features |=
- ISDN_FEATURE_L2_V11096 |
- ISDN_FEATURE_L2_V11019 |
- ISDN_FEATURE_L2_V11038;
- if (profp->support1 & (1 << 8))
- card->interface.features |= ISDN_FEATURE_L2_MODEM;
- card->interface.hl_hdrlen = 22; /* len of DATA_B3_REQ */
- strncpy(card->interface.id, id, sizeof(card->interface.id) - 1);
-
-
- card->q931_read = card->q931_buf;
- card->q931_write = card->q931_buf;
- card->q931_end = card->q931_buf + sizeof(card->q931_buf) - 1;
-
- if (!register_isdn(&card->interface)) {
- printk(KERN_ERR "capidrv: Unable to register contr %s\n", id);
- kfree(card->bchans);
- module_put(card->owner);
- 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;
- }
-
- spin_lock_irqsave(&global_lock, flags);
- card->next = global.contr_list;
- global.contr_list = card;
- global.ncontr++;
- spin_unlock_irqrestore(&global_lock, flags);
-
- cmd.command = ISDN_STAT_RUN;
- cmd.driver = card->myid;
- card->interface.statcallb(&cmd);
-
- card->cipmask = 0x1FFF03FF; /* any */
- card->cipmask2 = 0;
-
- send_listen(card);
- mod_timer(&card->listentimer, jiffies + 60 * HZ);
-
- printk(KERN_INFO "%s: now up (%d B channels)\n",
- card->name, card->nbchan);
-
- enable_dchannel_trace(card);
-
- return 0;
-}
-
-static int capidrv_delcontr(u16 contr)
-{
- capidrv_contr **pp, *card;
- unsigned long flags;
- isdn_ctrl cmd;
-
- spin_lock_irqsave(&global_lock, flags);
- for (card = global.contr_list; card; card = card->next) {
- if (card->contrnr == contr)
- break;
- }
- if (!card) {
- spin_unlock_irqrestore(&global_lock, flags);
- printk(KERN_ERR "capidrv: delcontr: no contr %u\n", contr);
- return -1;
- }
-
- /* FIXME: maybe a race condition the card should be removed
- * here from global list /kkeil
- */
- spin_unlock_irqrestore(&global_lock, flags);
-
- del_timer(&card->listentimer);
-
- if (debugmode)
- printk(KERN_DEBUG "capidrv-%d: id=%d unloading\n",
- card->contrnr, card->myid);
-
- cmd.command = ISDN_STAT_STOP;
- cmd.driver = card->myid;
- card->interface.statcallb(&cmd);
-
- while (card->nbchan) {
-
- cmd.command = ISDN_STAT_DISCH;
- cmd.driver = card->myid;
- cmd.arg = card->nbchan - 1;
- cmd.parm.num[0] = 0;
- if (debugmode)
- printk(KERN_DEBUG "capidrv-%d: id=%d disable chan=%ld\n",
- card->contrnr, card->myid, cmd.arg);
- card->interface.statcallb(&cmd);
-
- if (card->bchans[card->nbchan - 1].nccip)
- free_ncci(card, card->bchans[card->nbchan - 1].nccip);
- if (card->bchans[card->nbchan - 1].plcip)
- free_plci(card, card->bchans[card->nbchan - 1].plcip);
- if (card->plci_list)
- printk(KERN_ERR "capidrv: bug in free_plci()\n");
- card->nbchan--;
- }
- kfree(card->bchans);
- card->bchans = NULL;
-
- if (debugmode)
- printk(KERN_DEBUG "capidrv-%d: id=%d isdn unload\n",
- card->contrnr, card->myid);
-
- cmd.command = ISDN_STAT_UNLOAD;
- cmd.driver = card->myid;
- card->interface.statcallb(&cmd);
-
- if (debugmode)
- printk(KERN_DEBUG "capidrv-%d: id=%d remove contr from list\n",
- card->contrnr, card->myid);
-
- spin_lock_irqsave(&global_lock, flags);
- for (pp = &global.contr_list; *pp; pp = &(*pp)->next) {
- if (*pp == card) {
- *pp = (*pp)->next;
- card->next = NULL;
- global.ncontr--;
- break;
- }
- }
- spin_unlock_irqrestore(&global_lock, flags);
-
- module_put(card->owner);
- printk(KERN_INFO "%s: now down.\n", card->name);
- kfree(card);
- return 0;
-}
-
-
-static int
-lower_callback(struct notifier_block *nb, unsigned long val, void *v)
-{
- capi_profile profile;
- u32 contr = (long)v;
-
- switch (val) {
- case CAPICTR_UP:
- printk(KERN_INFO "capidrv: controller %hu up\n", contr);
- if (capi20_get_profile(contr, &profile) == CAPI_NOERROR)
- (void) capidrv_addcontr(contr, &profile);
- break;
- case CAPICTR_DOWN:
- printk(KERN_INFO "capidrv: controller %hu down\n", contr);
- (void) capidrv_delcontr(contr);
- break;
- }
- return NOTIFY_OK;
-}
-
-/*
- * /proc/capi/capidrv:
- * nrecvctlpkt nrecvdatapkt nsendctlpkt nsenddatapkt
- */
-static int __maybe_unused capidrv_proc_show(struct seq_file *m, void *v)
-{
- seq_printf(m, "%lu %lu %lu %lu\n",
- global.ap.nrecvctlpkt,
- global.ap.nrecvdatapkt,
- global.ap.nsentctlpkt,
- global.ap.nsentdatapkt);
- return 0;
-}
-
-static void __init proc_init(void)
-{
- proc_create_single("capi/capidrv", 0, NULL, capidrv_proc_show);
-}
-
-static void __exit proc_exit(void)
-{
- remove_proc_entry("capi/capidrv", NULL);
-}
-
-static struct notifier_block capictr_nb = {
- .notifier_call = lower_callback,
-};
-
-static int __init capidrv_init(void)
-{
- capi_profile profile;
- u32 ncontr, contr;
- u16 errcode;
-
- global.ap.rparam.level3cnt = -2; /* number of bchannels twice */
- global.ap.rparam.datablkcnt = 16;
- global.ap.rparam.datablklen = 2048;
-
- global.ap.recv_message = capidrv_recv_message;
- errcode = capi20_register(&global.ap);
- if (errcode) {
- return -EIO;
- }
-
- register_capictr_notifier(&capictr_nb);
-
- errcode = capi20_get_profile(0, &profile);
- if (errcode != CAPI_NOERROR) {
- unregister_capictr_notifier(&capictr_nb);
- capi20_release(&global.ap);
- return -EIO;
- }
-
- ncontr = profile.ncontroller;
- for (contr = 1; contr <= ncontr; contr++) {
- errcode = capi20_get_profile(contr, &profile);
- if (errcode != CAPI_NOERROR)
- continue;
- (void) capidrv_addcontr(contr, &profile);
- }
- proc_init();
-
- return 0;
-}
-
-static void __exit capidrv_exit(void)
-{
- unregister_capictr_notifier(&capictr_nb);
- capi20_release(&global.ap);
-
- proc_exit();
-}
-
-module_init(capidrv_init);
-module_exit(capidrv_exit);
generated by cgit (git 2.34.1) at 2024-05-06 23:35:19 +0000