capidrv.c
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上传日期:2013-02-24
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- /* $Id: capidrv.c,v 1.1.4.1 2001/11/20 14:19:34 kai 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/module.h>
- #include <linux/errno.h>
- #include <linux/kernel.h>
- #include <linux/major.h>
- #include <linux/sched.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/capi.h>
- #include <linux/kernelcapi.h>
- #include <linux/ctype.h>
- #include <linux/init.h>
- #include <asm/segment.h>
- #include "capiutil.h"
- #include "capicmd.h"
- #include "capidrv.h"
- static char *revision = "$Revision: 1.1.4.1 $";
- static int debugmode = 0;
- MODULE_DESCRIPTION("CAPI4Linux: Interface to ISDN4Linux");
- MODULE_AUTHOR("Carsten Paeth");
- MODULE_LICENSE("GPL");
- MODULE_PARM(debugmode, "i");
- /* -------- type definitions ----------------------------------------- */
- struct capidrv_contr {
- struct capidrv_contr *next;
- __u32 contrnr;
- char name[20];
- /*
- * for isdn4linux
- */
- isdn_if interface;
- int myid;
- /*
- * LISTEN state
- */
- int state;
- __u32 cipmask;
- __u32 cipmask2;
- 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 {
- __u16 appid;
- int ncontr;
- struct capidrv_contr *contr_list;
- /* statistic */
- unsigned long nrecvctlpkt;
- unsigned long nrecvdatapkt;
- unsigned long nsentctlpkt;
- unsigned long nsentdatapkt;
- };
- 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 spinlock_t global_lock = SPIN_LOCK_UNLOCKED;
- static struct capi_interface *capifuncs;
- 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 0;
- 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 = (capidrv_plci *) kmalloc(sizeof(capidrv_plci), GFP_ATOMIC);
- if (plcip == 0)
- return 0;
- memset(plcip, 0, sizeof(capidrv_plci));
- plcip->state = ST_PLCI_NONE;
- plcip->plci = 0;
- plcip->msgid = 0;
- plcip->chan = chan;
- plcip->next = card->plci_list;
- card->plci_list = plcip;
- card->bchans[chan].plcip = plcip;
- return plcip;
- }
- static capidrv_plci *find_plci_by_plci(capidrv_contr * card, __u32 plci)
- {
- capidrv_plci *p;
- for (p = card->plci_list; p; p = p->next)
- if (p->plci == plci)
- return p;
- return 0;
- }
- static capidrv_plci *find_plci_by_msgid(capidrv_contr * card, __u16 msgid)
- {
- capidrv_plci *p;
- for (p = card->plci_list; p; p = p->next)
- if (p->msgid == msgid)
- return p;
- return 0;
- }
- static capidrv_plci *find_plci_by_ncci(capidrv_contr * card, __u32 ncci)
- {
- capidrv_plci *p;
- for (p = card->plci_list; p; p = p->next)
- if (p->plci == (ncci & 0xffff))
- return p;
- return 0;
- }
- static void free_plci(capidrv_contr * card, capidrv_plci * plcip)
- {
- capidrv_plci **pp;
- for (pp = &card->plci_list; *pp; pp = &(*pp)->next) {
- if (*pp == plcip) {
- *pp = (*pp)->next;
- card->bchans[plcip->chan].plcip = 0;
- card->bchans[plcip->chan].disconnecting = 0;
- card->bchans[plcip->chan].incoming = 0;
- kfree(plcip);
- return;
- }
- }
- printk(KERN_ERR "capidrv-%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 = (capidrv_ncci *) kmalloc(sizeof(capidrv_ncci), GFP_ATOMIC);
- if (nccip == 0)
- return 0;
- memset(nccip, 0, sizeof(capidrv_ncci));
- nccip->ncci = ncci;
- nccip->state = ST_NCCI_NONE;
- nccip->plcip = plcip;
- nccip->chan = plcip->chan;
- nccip->datahandle = 0;
- nccip->next = plcip->ncci_list;
- plcip->ncci_list = nccip;
- card->bchans[plcip->chan].nccip = nccip;
- return nccip;
- }
- static inline capidrv_ncci *find_ncci(capidrv_contr * card, __u32 ncci)
- {
- capidrv_plci *plcip;
- capidrv_ncci *p;
- if ((plcip = find_plci_by_ncci(card, ncci)) == 0)
- return 0;
- for (p = plcip->ncci_list; p; p = p->next)
- if (p->ncci == ncci)
- return p;
- return 0;
- }
- static inline capidrv_ncci *find_ncci_by_msgid(capidrv_contr * card,
- __u32 ncci, __u16 msgid)
- {
- capidrv_plci *plcip;
- capidrv_ncci *p;
- if ((plcip = find_plci_by_ncci(card, ncci)) == 0)
- return 0;
- for (p = plcip->ncci_list; p; p = p->next)
- if (p->msgid == msgid)
- return p;
- return 0;
- }
- static void free_ncci(capidrv_contr * card, struct capidrv_ncci *nccip)
- {
- struct capidrv_ncci **pp;
- for (pp = &(nccip->plcip->ncci_list); *pp; pp = &(*pp)->next) {
- if (*pp == nccip) {
- *pp = (*pp)->next;
- break;
- }
- }
- card->bchans[nccip->chan].nccip = 0;
- kfree(nccip);
- }
- static int capidrv_add_ack(struct capidrv_ncci *nccip,
- __u16 datahandle, int len)
- {
- struct ncci_datahandle_queue *n, **pp;
- n = (struct ncci_datahandle_queue *)
- kmalloc(sizeof(struct ncci_datahandle_queue), GFP_ATOMIC);
- if (!n) {
- printk(KERN_ERR "capidrv: kmalloc ncci_datahandle failedn");
- return -1;
- }
- n->next = 0;
- 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;
- capi_cmsg2message(cmsg, cmsg->buf);
- len = CAPIMSG_LEN(cmsg->buf);
- skb = alloc_skb(len, GFP_ATOMIC);
- memcpy(skb_put(skb, len), cmsg->buf, len);
- (*capifuncs->capi_put_message) (global.appid, skb);
- global.nsentctlpkt++;
- }
- /* -------- 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 -> %dn",
- 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 = 0;
- cmd.command = ISDN_STAT_DHUP;
- cmd.driver = card->myid;
- cmd.arg = plci->chan;
- card->interface.statcallb(&cmd);
- free_plci(card, plci);
- }
- /* ------------------------------------------------------------------ */
- struct plcistatechange {
- int actstate;
- int nextstate;
- int event;
- void (*changefunc) (capidrv_contr * card, capidrv_plci * plci);
- };
- static struct plcistatechange plcitable[] =
- {
- /* P-0 */
- {ST_PLCI_NONE, ST_PLCI_OUTGOING, EV_PLCI_CONNECT_REQ, 0},
- {ST_PLCI_NONE, ST_PLCI_ALLOCATED, EV_PLCI_FACILITY_IND_UP, 0},
- {ST_PLCI_NONE, ST_PLCI_INCOMING, EV_PLCI_CONNECT_IND, 0},
- {ST_PLCI_NONE, ST_PLCI_RESUMEING, EV_PLCI_RESUME_REQ, 0},
- /* P-0.1 */
- {ST_PLCI_OUTGOING, ST_PLCI_NONE, EV_PLCI_CONNECT_CONF_ERROR, p0},
- {ST_PLCI_OUTGOING, ST_PLCI_ALLOCATED, EV_PLCI_CONNECT_CONF_OK, 0},
- /* P-1 */
- {ST_PLCI_ALLOCATED, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, 0},
- {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, 0},
- {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, 0},
- {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, 0},
- /* P-ACT */
- {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, 0},
- {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, 0},
- {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, 0},
- {ST_PLCI_ACTIVE, ST_PLCI_HELD, EV_PLCI_HOLD_IND, 0},
- {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_SUSPEND_IND, 0},
- /* P-2 */
- {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_CONNECT_REJECT, 0},
- {ST_PLCI_INCOMING, ST_PLCI_FACILITY_IND, EV_PLCI_FACILITY_IND_UP, 0},
- {ST_PLCI_INCOMING, ST_PLCI_ACCEPTING, EV_PLCI_CONNECT_RESP, 0},
- {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, 0},
- {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, 0},
- {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, 0},
- {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_CD_IND, 0},
- /* P-3 */
- {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_CONNECT_REJECT, 0},
- {ST_PLCI_FACILITY_IND, ST_PLCI_ACCEPTING, EV_PLCI_CONNECT_ACTIVE_IND, 0},
- {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, 0},
- {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, 0},
- {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, 0},
- /* P-4 */
- {ST_PLCI_ACCEPTING, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, 0},
- {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, 0},
- {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, 0},
- {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, 0},
- /* P-5 */
- {ST_PLCI_DISCONNECTING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, 0},
- /* P-6 */
- {ST_PLCI_DISCONNECTED, ST_PLCI_NONE, EV_PLCI_DISCONNECT_RESP, p0},
- /* 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, 0},
- /* P-RES */
- {ST_PLCI_RESUME, ST_PLCI_ACTIVE, EV_PLCI_RESUME_IND, 0},
- /* P-HELD */
- {ST_PLCI_HELD, ST_PLCI_ACTIVE, EV_PLCI_RETRIEVE_IND, 0},
- {},
- };
- 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 -> %dn",
- 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.appid,
- card->msgid++,
- ncci->plcip->plci,
- 0, /* BChannelinformation */
- 0, /* Keypadfacility */
- 0, /* Useruserdata */ /* $$$$ */
- 0 /* Facilitydataarray */
- );
- send_message(card, &cmsg);
- plci_change_state(card, ncci->plcip, EV_PLCI_DISCONNECT_REQ);
- cmd.command = ISDN_STAT_BHUP;
- cmd.driver = card->myid;
- cmd.arg = ncci->chan;
- card->interface.statcallb(&cmd);
- free_ncci(card, ncci);
- }
- /* ------------------------------------------------------------------ */
- struct nccistatechange {
- int actstate;
- int nextstate;
- int event;
- void (*changefunc) (capidrv_contr * card, capidrv_ncci * ncci);
- };
- static struct nccistatechange nccitable[] =
- {
- /* N-0 */
- {ST_NCCI_NONE, ST_NCCI_OUTGOING, EV_NCCI_CONNECT_B3_REQ, 0},
- {ST_NCCI_NONE, ST_NCCI_INCOMING, EV_NCCI_CONNECT_B3_IND, 0},
- /* N-0.1 */
- {ST_NCCI_OUTGOING, ST_NCCI_ALLOCATED, EV_NCCI_CONNECT_B3_CONF_OK, 0},
- {ST_NCCI_OUTGOING, ST_NCCI_NONE, EV_NCCI_CONNECT_B3_CONF_ERROR, n0},
- /* N-1 */
- {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTING, EV_NCCI_CONNECT_B3_REJECT, 0},
- {ST_NCCI_INCOMING, ST_NCCI_ALLOCATED, EV_NCCI_CONNECT_B3_RESP, 0},
- {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, 0},
- {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, 0},
- /* N-2 */
- {ST_NCCI_ALLOCATED, ST_NCCI_ACTIVE, EV_NCCI_CONNECT_B3_ACTIVE_IND, 0},
- {ST_NCCI_ALLOCATED, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, 0},
- {ST_NCCI_ALLOCATED, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, 0},
- /* N-ACT */
- {ST_NCCI_ACTIVE, ST_NCCI_ACTIVE, EV_NCCI_RESET_B3_IND, 0},
- {ST_NCCI_ACTIVE, ST_NCCI_RESETING, EV_NCCI_RESET_B3_REQ, 0},
- {ST_NCCI_ACTIVE, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, 0},
- {ST_NCCI_ACTIVE, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, 0},
- /* N-3 */
- {ST_NCCI_RESETING, ST_NCCI_ACTIVE, EV_NCCI_RESET_B3_IND, 0},
- {ST_NCCI_RESETING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, 0},
- {ST_NCCI_RESETING, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, 0},
- /* N-4 */
- {ST_NCCI_DISCONNECTING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, 0},
- {ST_NCCI_DISCONNECTING, ST_NCCI_PREVIOUS, EV_NCCI_DISCONNECT_B3_CONF_ERROR,0},
- /* N-5 */
- {ST_NCCI_DISCONNECTED, ST_NCCI_NONE, EV_NCCI_DISCONNECT_B3_RESP, n0},
- {},
- };
- static void ncci_change_state(capidrv_contr * card, capidrv_ncci * ncci, int event)
- {
- struct nccistatechange *p = nccitable;
- while (p->event) {
- if (ncci->state == p->actstate && p->event == event) {
- if (debugmode)
- printk(KERN_DEBUG "capidrv-%d: ncci_change_state:0x%x %d -> %dn",
- 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 == 0) {
- card->bchans[i].disconnecting = 0;
- return i;
- }
- }
- return -1;
- }
- /* ------------------------------------------------------------------- */
- static void handle_controller(_cmsg * cmsg)
- {
- capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f);
- if (!card) {
- printk(KERN_ERR "capidrv: %s from unknown controller 0x%xn",
- 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%xn",
- 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, ignoredn",
- 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 = 0;
- switch (cmsg->Class) {
- case 0: break;
- case 1: s = "unknown class"; break;
- case 2: s = "unknown function"; break;
- default: s = "unkown error"; break;
- }
- if (s)
- printk(KERN_INFO "capidrv-%d: %s from controller 0x%x function %d: %sn",
- 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 ignoredn",
- 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)) == 0) {
- 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,%sn",
- 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 VBOXn",
- 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 */
- send_message(card, cmsg);
- plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT);
- printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s ignoredn",
- 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 alertingn",
- card->contrnr,
- cmd.parm.setup.phone,
- cmd.parm.setup.si1,
- cmd.parm.setup.si2,
- cmd.parm.setup.eazmsn);
- capi_fill_ALERT_REQ(cmsg,
- global.appid,
- card->msgid++,
- plcip->plci, /* adr */
- 0, /* BChannelinformation */
- 0, /* Keypadfacility */
- 0, /* Useruserdata */
- 0 /* Facilitydataarray */
- );
- plcip->msgid = cmsg->Messagenumber;
- send_message(card, cmsg);
- } else {
- printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s on netdevn",
- 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 */
- send_message(card, cmsg);
- plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT);
- break;
- default:
- /* An error happened. (Invalid parameters for example.) */
- capi_cmsg_answer(cmsg);
- cmsg->Reject = 8; /* reject call,
- destination out of order */
- send_message(card, cmsg);
- plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT);
- break;
- }
- return;
- }
- static void handle_plci(_cmsg * cmsg)
- {
- capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f);
- capidrv_plci *plcip;
- isdn_ctrl cmd;
- if (!card) {
- printk(KERN_ERR "capidrv: %s from unknown controller 0x%xn",
- 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%xn",
- 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);
- send_message(card, cmsg);
- plci_change_state(card, plcip, EV_PLCI_DISCONNECT_RESP);
- break;
- case CAPI_DISCONNECT_CONF: /* plci */
- if (cmsg->Info) {
- printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for plci 0x%xn",
- 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%xn",
- 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%xn",
- 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);
- send_message(card, cmsg);
- plci_change_state(card, plcip, EV_PLCI_CONNECT_ACTIVE_IND);
- } else {
- capidrv_ncci *nccip;
- capi_cmsg_answer(cmsg);
- send_message(card, cmsg);
- nccip = new_ncci(card, plcip, cmsg->adr.adrPLCI);
- if (!nccip) {
- printk(KERN_ERR "capidrv-%d: no mem for ncci, sorryn", card->contrnr);
- break; /* $$$$ */
- }
- capi_fill_CONNECT_B3_REQ(cmsg,
- global.appid,
- card->msgid++,
- plcip->plci, /* adr */
- 0 /* NCPI */
- );
- nccip->msgid = cmsg->Messagenumber;
- send_message(card, cmsg);
- cmd.command = ISDN_STAT_DCONN;
- cmd.driver = card->myid;
- cmd.arg = plcip->chan;
- card->interface.statcallb(&cmd);
- plci_change_state(card, plcip, EV_PLCI_CONNECT_ACTIVE_IND);
- ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_REQ);
- }
- break;
- case CAPI_INFO_IND: /* Controller/plci */
- if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI)))
- goto notfound;
- if (cmsg->InfoNumber == 0x4000) {
- if (cmsg->InfoElement[0] == 4) {
- cmd.command = ISDN_STAT_CINF;
- cmd.driver = card->myid;
- cmd.arg = plcip->chan;
- sprintf(cmd.parm.num, "%lu",
- (unsigned long)
- ((__u32) cmsg->InfoElement[1]
- | ((__u32) (cmsg->InfoElement[2]) << 8)
- | ((__u32) (cmsg->InfoElement[3]) << 16)
- | ((__u32) (cmsg->InfoElement[4]) << 24)));
- card->interface.statcallb(&cmd);
- break;
- }
- }
- printk(KERN_ERR "capidrv-%d: %sn",
- card->contrnr, capi_cmsg2str(cmsg));
- break;
- case CAPI_CONNECT_ACTIVE_CONF: /* plci */
- goto ignored;
- case CAPI_SELECT_B_PROTOCOL_CONF: /* plci */
- goto ignored;
- case CAPI_FACILITY_IND: /* Controller/plci/ncci */
- goto ignored;
- case CAPI_FACILITY_CONF: /* Controller/plci/ncci */
- goto ignored;
- case CAPI_INFO_CONF: /* Controller/plci */
- goto ignored;
- default:
- printk(KERN_ERR "capidrv-%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 ignoredn",
- card->contrnr,
- capi_cmd2str(cmsg->Command, cmsg->Subcommand),
- cmsg->adr.adrPLCI);
- return;
- notfound:
- printk(KERN_ERR "capidrv-%d: %s: plci 0x%x not foundn",
- 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%xn",
- capi_cmd2str(cmsg->Command, cmsg->Subcommand),
- cmsg->adr.adrController & 0x7f);
- return;
- }
- switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) {
- case CAPI_CONNECT_B3_ACTIVE_IND: /* ncci */
- if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
- goto notfound;
- capi_cmsg_answer(cmsg);
- send_message(card, cmsg);
- ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_ACTIVE_IND);
- cmd.command = ISDN_STAT_BCONN;
- cmd.driver = card->myid;
- cmd.arg = nccip->chan;
- card->interface.statcallb(&cmd);
- printk(KERN_INFO "capidrv-%d: chan %d up with ncci 0x%xn",
- 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.appid,
- card->msgid++,
- nccip->ncci, /* adr */
- 0, /* Reject */
- 0 /* NCPI */
- );
- send_message(card, cmsg);
- ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_RESP);
- break;
- }
- printk(KERN_ERR "capidrv-%d: no mem for ncci, sorryn", card->contrnr);
- } else {
- printk(KERN_ERR "capidrv-%d: %s: plci for ncci 0x%x not foundn",
- card->contrnr,
- capi_cmd2str(cmsg->Command, cmsg->Subcommand),
- cmsg->adr.adrNCCI);
- }
- capi_fill_CONNECT_B3_RESP(cmsg,
- global.appid,
- card->msgid++,
- cmsg->adr.adrNCCI,
- 2, /* Reject */
- 0 /* NCPI */
- );
- send_message(card, cmsg);
- break;
- case CAPI_CONNECT_B3_CONF: /* ncci */
- if (!(nccip = find_ncci_by_msgid(card,
- cmsg->adr.adrNCCI,
- cmsg->Messagenumber)))
- goto notfound;
- nccip->ncci = cmsg->adr.adrNCCI;
- if (cmsg->Info) {
- printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for ncci 0x%xn",
- 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 (!(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);
- send_message(card, cmsg);
- ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_RESP);
- break;
- case CAPI_DISCONNECT_B3_CONF: /* ncci */
- if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
- goto notfound;
- if (cmsg->Info) {
- printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for ncci 0x%xn",
- 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 ignoredn",
- card->contrnr,
- capi_cmd2str(cmsg->Command, cmsg->Subcommand),
- cmsg->adr.adrNCCI);
- return;
- notfound:
- printk(KERN_ERR "capidrv-%d: %s: ncci 0x%x not foundn",
- 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%xn",
- 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 foundn",
- 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_signal(__u16 applid, void *dummy)
- {
- struct sk_buff *skb = 0;
- while ((*capifuncs->capi_get_message) (global.appid, &skb) == CAPI_NOERROR) {
- capi_message2cmsg(&s_cmsg, skb->data);
- if (debugmode > 2)
- printk(KERN_DEBUG "capidrv_signal: applid=%d %sn",
- applid, capi_cmsg2str(&s_cmsg));
- if (s_cmsg.Command == CAPI_DATA_B3
- && s_cmsg.Subcommand == CAPI_IND) {
- handle_data(&s_cmsg, skb);
- global.nrecvdatapkt++;
- continue;
- }
- 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);
- global.nrecvctlpkt++;
- }
- }
- /* ------------------------------------------------------------------- */
- #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 == %dn",
- 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++) {
- __u8 w;
- PUTBYTE_TO_STATUS(card, ' ');
- w = (*p >> 4) & 0xf;
- PUTBYTE_TO_STATUS(card, (w < 10) ? '0'+w : 'A'-10+w);
- w = *p & 0xf;
- PUTBYTE_TO_STATUS(card, (w < 10) ? '0'+w : 'A'-10+w);
- }
- 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=%dn",
- 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;
- if (!isdigit(*s)) return -3;
- while (isdigit(*s)) { digit1 = digit1*10 + (*s - '0'); s++; }
- 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++;
- if (!isdigit(*s)) return -3;
- while (isdigit(*s)) { digit2 = digit2*10 + (*s - '0'); s++; }
- 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: illegal 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 linen", 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.appid,
- card->msgid++,
- card->contrnr, /* adr */
- si2cip(bchan->si1, bchan->si2), /* cipvalue */
- called, /* CalledPartyNumber */
- calling, /* CallingPartyNumber */
- 0, /* CalledPartySubaddress */
- 0, /* CallingPartySubaddress */
- b1prot(bchan->l2, bchan->l3), /* B1protocol */
- b2prot(bchan->l2, bchan->l3), /* B2protocol */
- b3prot(bchan->l2, bchan->l3), /* B3protocol */
- b1config(bchan->l2, bchan->l3), /* B1configuration */
- 0, /* B2configuration */
- 0, /* B3configuration */
- 0, /* BC */
- 0, /* LLC */
- 0, /* HLC */
- /* BChannelinformation */
- isleasedline ? AdditionalInfo : 0,
- 0, /* Keypadfacility */
- 0, /* Useruserdata */
- 0 /* Facilitydataarray */
- );
- if ((plcip = new_plci(card, (c->arg % card->nbchan))) == 0) {
- cmd.command = ISDN_STAT_DHUP;
- cmd.driver = card->myid;
- cmd.arg = (c->arg % card->nbchan);
- card->interface.statcallb(&cmd);
- return -1;
- }
- plcip->msgid = cmdcmsg.Messagenumber;
- 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=%dn",
- card->contrnr,
- c->arg, bchan->l2, bchan->l3);
- capi_fill_CONNECT_RESP(&cmdcmsg,
- global.appid,
- card->msgid++,
- bchan->plcip->plci, /* adr */
- 0, /* Reject */
- b1prot(bchan->l2, bchan->l3), /* B1protocol */
- b2prot(bchan->l2, bchan->l3), /* B2protocol */
- b3prot(bchan->l2, bchan->l3), /* B3protocol */
- b1config(bchan->l2, bchan->l3), /* B1configuration */
- 0, /* B2configuration */
- 0, /* B3configuration */
- 0, /* ConnectedNumber */
- 0, /* ConnectedSubaddress */
- 0, /* LLC */
- 0, /* BChannelinformation */
- 0, /* Keypadfacility */
- 0, /* Useruserdata */
- 0 /* Facilitydataarray */
- );
- capi_cmsg2message(&cmdcmsg, cmdcmsg.buf);
- plci_change_state(card, bchan->plcip, EV_PLCI_CONNECT_RESP);
- send_message(card, &cmdcmsg);
- return 0;
- case ISDN_CMD_ACCEPTB:
- if (debugmode)
- printk(KERN_DEBUG "capidrv-%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.appid,
- card->msgid++,
- bchan->nccip->ncci,
- 0 /* 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.appid,
- card->msgid++,
- bchan->plcip->plci,
- 0, /* BChannelinformation */
- 0, /* Keypadfacility */
- 0, /* Useruserdata */
- 0 /* Facilitydataarray */
- );
- plci_change_state(card, bchan->plcip, EV_PLCI_DISCONNECT_REQ);
- send_message(card, &cmdcmsg);
- return 0;
- } else {
- printk(KERN_ERR "capidrv-%d: chan %ld disconnect request while waiting for CONNECT_CONFn",
- card->contrnr,
- c->arg);
- return -EINVAL;
- }
- }
- printk(KERN_ERR "capidrv-%d: chan %ld disconnect request on free channeln",
- card->contrnr,
- c->arg);
- return -EINVAL;
- /* ready */
- case ISDN_CMD_SETL2:
- if (debugmode)
- printk(KERN_DEBUG "capidrv-%d: set L2 on chan %ld to %ldn",
- 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 %ldn",
- 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 %ldn",
- 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 %ldn",
- card->contrnr, c->arg);
- bchan = &card->bchans[c->arg % card->nbchan];
- bchan->msn[0] = 0;
- return 0;
- case ISDN_CMD_LOCK:
- if (debugmode > 1)
- printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_LOCK (%ld)n", card->contrnr, c->arg);
- MOD_INC_USE_COUNT;
- break;
- case ISDN_CMD_UNLOCK:
- if (debugmode > 1)
- printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_UNLOCK (%ld)n",
- card->contrnr, c->arg);
- MOD_DEC_USE_COUNT;
- break;
- /* never called */
- case ISDN_CMD_GETL2:
- if (debugmode)
- printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_GETL2n",
- card->contrnr);
- return -ENODEV;
- case ISDN_CMD_GETL3:
- if (debugmode)
- printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_GETL3n",
- card->contrnr);
- return -ENODEV;
- case ISDN_CMD_GETEAZ:
- if (debugmode)
- printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_GETEAZn",
- card->contrnr);
- return -ENODEV;
- case ISDN_CMD_SETSIL:
- if (debugmode)
- printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_SETSILn",
- card->contrnr);
- return -ENODEV;
- case ISDN_CMD_GETSIL:
- if (debugmode)
- printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_GETSILn",
- card->contrnr);
- return -ENODEV;
- 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;
- size_t msglen;
- __u16 errcode;
- __u16 datahandle;
- if (!card) {
- printk(KERN_ERR "capidrv: if_sendbuf called with invalid driverId %d!n",
- id);
- return 0;
- }
- if (debugmode > 1)
- printk(KERN_DEBUG "capidrv-%d: sendbuf len=%d skb=%p doack=%dn",
- 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;
- capi_fill_DATA_B3_REQ(&sendcmsg, global.appid, card->msgid++,
- nccip->ncci, /* adr */
- (__u32) skb->data, /* Data */
- skb->len, /* DataLength */
- datahandle, /* DataHandle */
- 0 /* Flags */
- );
- if (capidrv_add_ack(nccip, datahandle, doack ? skb->len : -1) < 0)
- return 0;
- capi_cmsg2message(&sendcmsg, sendcmsg.buf);
- 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 memoryn",
- card->contrnr);
- (void)capidrv_del_ack(nccip, datahandle);
- return 0;
- }
- printk(KERN_DEBUG "capidrv-%d: only %d bytes headroom, need %dn",
- card->contrnr, skb_headroom(skb), msglen);
- memcpy(skb_push(nskb, msglen), sendcmsg.buf, msglen);
- errcode = (*capifuncs->capi_put_message) (global.appid, nskb);
- if (errcode == CAPI_NOERROR) {
- dev_kfree_skb(skb);
- nccip->datahandle++;
- global.nsentdatapkt++;
- return len;
- }
- (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 = (*capifuncs->capi_put_message) (global.appid, skb);
- if (errcode == CAPI_NOERROR) {
- nccip->datahandle++;
- global.nsentdatapkt++;
- return len;
- }
- skb_pull(skb, msglen);
- (void)capidrv_del_ack(nccip, datahandle);
- return errcode == CAPI_SENDQUEUEFULL ? 0 : -1;
- }
- }
- static int if_readstat(__u8 *buf, int len, int user, int id, int channel)
- {
- capidrv_contr *card = findcontrbydriverid(id);
- int count;
- __u8 *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 (user)
- put_user(*card->q931_read++, p);
- else
- *p = *card->q931_read++;
- 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 = (*capifuncs->capi_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") == 0) {
- printk(KERN_ERR "%s: not from AVM, no d-channel trace possible (%s)n",
- card->name, manufacturer);
- return;
- }
- errcode = (*capifuncs->capi_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 enabledn", card->name);
- capi_fill_MANUFACTURER_REQ(&cmdcmsg, global.appid,
- card->msgid++,
- contr,
- 0x214D5641, /* ManuID */
- 0, /* Class */
- 1, /* Function */
- (_cstruct)"