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[/] [or1k_old/] [trunk/] [uclinux/] [uClinux-2.0.x/] [drivers/] [isdn/] [avmb1/] [capidrv.c] - Rev 1782
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/* * $Id: capidrv.c,v 1.1.1.1 2001-09-10 07:44:18 simons Exp $ * * ISDN4Linux Driver, using capi20 interface (kernelcapi) * * Copyright 1997 by Carsten Paeth (calle@calle.in-berlin.de) * * $Log: not supported by cvs2svn $ * Revision 1.1.1.1 2001/07/02 17:58:32 simons * Initial revision * * Revision 1.3.2.12 1998/09/11 15:37:11 calle * Started with support for CAPI channel allocation/bundling. * * Revision 1.3.2.11 1998/04/02 10:27:59 calle * version check for D2 trace was wrong :-( * * Revision 1.3.2.10 1998/03/20 14:38:24 calle * capidrv: prepared state machines for suspend/resume/hold * capidrv: fix bug in state machine if B1/T1 is out of nccis * b1capi: changed some errno returns. * b1capi: detect if you try to add same T1 to different io address. * b1capi: change number of nccis depending on number of channels. * b1lli: cosmetics * * Revision 1.3.2.9 1998/03/20 09:01:12 calle * Changes capi_register handling to get full support for 30 bchannels. * * Revision 1.3.2.8 1998/03/18 17:51:28 calle * added controller number to error messages * * Revision 1.3.2.7 1998/02/27 15:40:47 calle * T1 running with slow link. bugfix in capi_release. * * Revision 1.3.2.6 1998/02/02 19:51:13 calle * Fixed vbox (audio) acceptb. * * Revision 1.3.2.5 1997/10/29 09:35:29 calle * correct byteorder problem with new isdnlog interface. * * Revision 1.3.2.4 1997/10/26 15:04:24 calle * prepared isdnlog interface for d2-trace in newer firmware. * * Revision 1.3.2.3 1997/10/24 06:37:00 calle * changed LISTEN cipmask, now we can distinguish voice, fax und data calls. * * Revision 1.3.2.2 1997/10/08 05:42:25 calle * Added isdnlog support. patch to isdnlog needed. * * Revision 1.3.2.1 1997/07/13 12:16:48 calle * bug fix for more than one controller in connect_req. * * Revision 1.3 1997/05/18 09:24:15 calle * added verbose disconnect reason reporting to avmb1. * some fixes in capi20 interface. * changed info messages for B1-PCI * * Revision 1.2 1997/03/05 21:19:59 fritz * Removed include of config.h (mkdep stated this is unneded). * * Revision 1.1 1997/03/04 21:50:31 calle * Frirst version in isdn4linux * * Revision 2.2 1997/02/12 09:31:39 calle * new version * * Revision 1.1 1997/01/31 10:32:20 calle * Initial revision * */ #include <linux/module.h> #include <linux/errno.h> #include <linux/kernel.h> #include <linux/major.h> #include <linux/sched.h> #include <linux/malloc.h> #include <linux/fcntl.h> #include <linux/fs.h> #include <linux/signal.h> #include <linux/mm.h> #include <linux/timer.h> #include <linux/wait.h> #include <linux/skbuff.h> #include <linux/isdn.h> #include <linux/isdnif.h> #include <linux/capi.h> #include <linux/kernelcapi.h> #include <linux/ctype.h> #include "compat.h" #include "capiutil.h" #include "capicmd.h" #include "capidrv.h" static char *revision = "$Revision: 1.1.1.1 $"; int debugmode = 0; #ifdef HAS_NEW_SYMTAB MODULE_AUTHOR("Carsten Paeth <calle@calle.in-berlin.de>"); MODULE_PARM(debugmode, "i"); #endif /* -------- type definitions ----------------------------------------- */ struct capidrv_contr { struct capidrv_contr *next; __u32 contrnr; char name[20]; /* * for isdn4linux */ isdn_if interface; int myid; /* * LISTEN state */ int state; __u32 cipmask; __u32 cipmask2; /* * ID of capi message sent */ __u16 msgid; /* * B-Channels */ int nbchan; struct capidrv_bchan { struct capidrv_contr *contr; __u8 msn[ISDN_MSNLEN]; int l2; int l3; __u8 num[ISDN_MSNLEN]; __u8 mynum[ISDN_MSNLEN]; int si1; int si2; int incoming; int disconnecting; struct capidrv_plci { struct capidrv_plci *next; __u32 plci; __u32 ncci; /* ncci for CONNECT_ACTIVE_IND */ __u16 msgid; /* to identfy CONNECT_CONF */ int chan; int state; 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; } *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; }; typedef struct capidrv_plci capidrv_plci; typedef struct capidrv_ncci capidrv_ncci; typedef struct capidrv_contr capidrv_contr; typedef struct capidrv_data capidrv_data; typedef struct capidrv_bchan capidrv_bchan; /* -------- data definitions ----------------------------------------- */ static capidrv_data global; static struct capi_interface *capifuncs; 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; } } 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: return 1; } } static inline __u32 b3prot(int l2, int l3) { switch (l2) { case ISDN_PROTO_L2_X75I: case ISDN_PROTO_L2_X75UI: case ISDN_PROTO_L2_X75BUI: case ISDN_PROTO_L2_HDLC: case ISDN_PROTO_L2_TRANS: default: return 0; } } static inline __u16 si2cip(__u8 si1, __u8 si2) { static const __u8 cip[17][5] = { /* 0 1 2 3 4 */ {0, 0, 0, 0, 0}, /*0 */ {16, 16, 4, 26, 16}, /*1 */ {17, 17, 17, 4, 4}, /*2 */ {2, 2, 2, 2, 2}, /*3 */ {18, 18, 18, 18, 18}, /*4 */ {2, 2, 2, 2, 2}, /*5 */ {0, 0, 0, 0, 0}, /*6 */ {2, 2, 2, 2, 2}, /*7 */ {2, 2, 2, 2, 2}, /*8 */ {21, 21, 21, 21, 21}, /*9 */ {19, 19, 19, 19, 19}, /*10 */ {0, 0, 0, 0, 0}, /*11 */ {0, 0, 0, 0, 0}, /*12 */ {0, 0, 0, 0, 0}, /*13 */ {0, 0, 0, 0, 0}, /*14 */ {22, 22, 22, 22, 22}, /*15 */ {27, 27, 27, 28, 27} /*16 */ }; if (si1 > 16) si1 = 0; if (si2 > 4) si2 = 0; return (__u16) cip[si1][si2]; } static inline __u8 cip2si1(__u16 cipval) { static const __u8 si[32] = {7, 1, 7, 7, 1, 1, 7, 7, /*0-7 */ 7, 1, 0, 0, 0, 0, 0, 0, /*8-15 */ 1, 2, 4, 10, 9, 9, 15, 7, /*16-23 */ 7, 7, 1, 16, 16, 0, 0, 0}; /*24-31 */ if (cipval > 31) cipval = 0; /* .... */ return si[cipval]; } static inline __u8 cip2si2(__u16 cipval) { static const __u8 si[32] = {0, 0, 0, 0, 2, 3, 0, 0, /*0-7 */ 0, 3, 0, 0, 0, 0, 0, 0, /*8-15 */ 1, 2, 0, 0, 9, 0, 0, 0, /*16-23 */ 0, 0, 3, 2, 3, 0, 0, 0}; /*24-31 */ if (cipval > 31) cipval = 0; /* .... */ return si[cipval]; } /* -------- controller managment ------------------------------------- */ static inline capidrv_contr *findcontrbydriverid(int driverid) { capidrv_contr *p = global.contr_list; while (p) { if (p->myid == driverid) return p; p = p->next; } return (capidrv_contr *) 0; } static capidrv_contr *findcontrbynumber(__u32 contr) { capidrv_contr *p = global.contr_list; while (p) { if (p->contrnr == contr) return p; p = p->next; } return (capidrv_contr *) 0; } /* -------- plci management ------------------------------------------ */ static capidrv_plci *new_plci(capidrv_contr * card, int chan) { capidrv_plci *plcip; plcip = (capidrv_plci *) kmalloc(sizeof(capidrv_plci), GFP_ATOMIC); if (plcip == 0) return 0; memset(plcip, 0, sizeof(capidrv_plci)); plcip->state = ST_PLCI_NONE; plcip->plci = 0; plcip->msgid = 0; plcip->chan = chan; plcip->next = card->plci_list; card->plci_list = plcip; card->bchans[chan].plcip = plcip; return plcip; } static capidrv_plci *find_plci_by_plci(capidrv_contr * card, __u32 plci) { capidrv_plci *p; for (p = card->plci_list; p; p = p->next) if (p->plci == plci) return p; return 0; } static capidrv_plci *find_plci_by_msgid(capidrv_contr * card, __u16 msgid) { capidrv_plci *p; for (p = card->plci_list; p; p = p->next) if (p->msgid == msgid) return p; return 0; } static capidrv_plci *find_plci_by_ncci(capidrv_contr * card, __u32 ncci) { capidrv_plci *p; for (p = card->plci_list; p; p = p->next) if (p->plci == (ncci & 0xffff)) return p; return 0; } static void free_plci(capidrv_contr * card, capidrv_plci * plcip) { capidrv_plci **pp; for (pp = &card->plci_list; *pp; pp = &(*pp)->next) { if (*pp == plcip) { *pp = (*pp)->next; card->bchans[plcip->chan].plcip = 0; card->bchans[plcip->chan].disconnecting = 0; card->bchans[plcip->chan].incoming = 0; kfree(plcip); return; } } printk(KERN_ERR "capidrv-%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); } /* -------- convert and send capi message ---------------------------- */ static void send_message(capidrv_contr * card, _cmsg * cmsg) { struct sk_buff *skb; size_t len; capi_cmsg2message(cmsg, cmsg->buf); len = CAPIMSG_LEN(cmsg->buf); skb = dev_alloc_skb(len); SET_SKB_FREE(skb); memcpy(skb_put(skb, len), cmsg->buf, len); (*capifuncs->capi_put_message) (global.appid, skb); } /* -------- state machine -------------------------------------------- */ struct listenstatechange { int actstate; int nextstate; int event; }; static struct listenstatechange listentable[] = { {ST_LISTEN_NONE, ST_LISTEN_WAIT_CONF, EV_LISTEN_REQ}, {ST_LISTEN_ACTIVE, ST_LISTEN_ACTIVE_WAIT_CONF, EV_LISTEN_REQ}, {ST_LISTEN_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_ERROR}, {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_ERROR}, {ST_LISTEN_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_EMPTY}, {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_EMPTY}, {ST_LISTEN_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_OK}, {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_OK}, {}, }; static void listen_change_state(capidrv_contr * card, int event) { struct listenstatechange *p = listentable; while (p->event) { if (card->state == p->actstate && p->event == event) { if (debugmode) printk(KERN_DEBUG "capidrv-%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 = 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}, {ST_PLCI_OUTGOING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, 0}, {ST_PLCI_OUTGOING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, 0}, /* P-1 */ {ST_PLCI_ALLOCATED, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, 0}, {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, 0}, {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, 0}, {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, 0}, /* P-ACT */ {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, 0}, {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, 0}, {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, 0}, {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 -> %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.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 -> %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 == 0) { card->bchans[i].disconnecting = 0; return i; } } return -1; } /* ------------------------------------------------------------------- */ static void handle_controller(_cmsg * cmsg) { capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f); if (!card) { printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n", capi_cmd2str(cmsg->Command, cmsg->Subcommand), cmsg->adr.adrController & 0x7f); return; } switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) { case CAPI_LISTEN_CONF: /* Controller */ if (debugmode) printk(KERN_DEBUG "capidrv-%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 = 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: %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)) == 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,%s\n", card->contrnr, cmd.parm.setup.phone, cmd.parm.setup.si1, cmd.parm.setup.si2, cmd.parm.setup.eazmsn); switch (card->interface.statcallb(&cmd)) { case 0: /* No device matching this call. * and isdn_common.c has send a HANGUP command * which is ignored in state ST_PLCI_INCOMING, * so we send RESP to ignore the call */ capi_cmsg_answer(cmsg); cmsg->Reject = 1; /* ignore */ send_message(card, cmsg); plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT); printk(KERN_INFO "capidrv-%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.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 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 */ send_message(card, cmsg); plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT); break; default: /* An error happened. (Invalid parameters for example.) */ capi_cmsg_answer(cmsg); cmsg->Reject = 8; /* reject call, destination out of order */ send_message(card, cmsg); plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT); break; } return; } static void handle_plci(_cmsg * cmsg) { capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f); capidrv_plci *plcip; isdn_ctrl cmd; if (!card) { printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n", capi_cmd2str(cmsg->Command, cmsg->Subcommand), cmsg->adr.adrController & 0x7f); return; } switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) { case CAPI_DISCONNECT_IND: /* plci */ if (cmsg->Reason) { printk(KERN_INFO "capidrv-%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); 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%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); 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, sorry\n", 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: %s\n", 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 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; if (!card) { printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n", capi_cmd2str(cmsg->Command, cmsg->Subcommand), cmsg->adr.adrController & 0x7f); return; } switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) { case CAPI_CONNECT_B3_ACTIVE_IND: /* ncci */ if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) goto notfound; capi_cmsg_answer(cmsg); send_message(card, cmsg); ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_ACTIVE_IND); cmd.command = ISDN_STAT_BCONN; cmd.driver = card->myid; cmd.arg = nccip->chan; card->interface.statcallb(&cmd); printk(KERN_INFO "capidrv-%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.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, 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.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%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 (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) goto notfound; cmd.command = ISDN_STAT_BSENT; cmd.driver = card->myid; cmd.arg = nccip->chan; card->interface.statcallb(&cmd); break; case CAPI_DISCONNECT_B3_IND: /* ncci */ if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) goto notfound; card->bchans[nccip->chan].disconnecting = 1; ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_IND); capi_cmsg_answer(cmsg); send_message(card, cmsg); ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_RESP); break; case CAPI_DISCONNECT_B3_CONF: /* ncci */ if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) goto notfound; if (cmsg->Info) { printk(KERN_INFO "capidrv-%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); 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, FREE_READ); return; } (void) skb_pull(skb, CAPIMSG_LEN(skb->data)); card->interface.rcvcallb_skb(card->myid, nccip->chan, skb); capi_cmsg_answer(cmsg); send_message(card, cmsg); } static _cmsg s_cmsg; static void capidrv_signal(__u16 applid, __u32 dummy) { struct sk_buff *skb = 0; while ((*capifuncs->capi_get_message) (global.appid, &skb) == CAPI_NOERROR) { capi_message2cmsg(&s_cmsg, skb->data); if (debugmode > 1) printk(KERN_DEBUG "capidrv_signal: applid=%d %s\n", applid, capi_cmsg2str(&s_cmsg)); if (s_cmsg.Command == CAPI_DATA_B3 && s_cmsg.Subcommand == CAPI_IND) { handle_data(&s_cmsg, skb); continue; } kfree_skb(skb, FREE_READ); if ((s_cmsg.adr.adrController & 0xffffff00) == 0) handle_controller(&s_cmsg); else if ((s_cmsg.adr.adrPLCI & 0xffff0000) == 0) handle_plci(&s_cmsg); else handle_ncci(&s_cmsg); } } /* ------------------------------------------------------------------- */ #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) { long flags; __u8 *p, *end; isdn_ctrl cmd; if (!len) { printk(KERN_DEBUG "capidrv-%d: avmb1_q931_data: len == %d\n", card->contrnr, len); return; } save_flags(flags); cli(); 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'); restore_flags(flags); 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) { 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 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.appid, card->msgid++, card->contrnr, /* adr */ si2cip(bchan->si1, bchan->si2), /* cipvalue */ called, /* CalledPartyNumber */ calling, /* CallingPartyNumber */ 0, /* CalledPartySubaddress */ 0, /* CallingPartySubaddress */ b1prot(bchan->l2, bchan->l3), /* B1protocol */ b2prot(bchan->l2, bchan->l3), /* B2protocol */ b3prot(bchan->l2, bchan->l3), /* B3protocol */ 0, /* B1configuration */ 0, /* B2configuration */ 0, /* B3configuration */ 0, /* BC */ 0, /* LLC */ 0, /* HLC */ /* 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=%d\n", 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 */ 0, /* B1configuration */ 0, /* B2configuration */ 0, /* B3configuration */ 0, /* ConnectedNumber */ 0, /* ConnectedSubaddress */ 0, /* LLC */ 0, /* BChannelinformation */ 0, /* Keypadfacility */ 0, /* Useruserdata */ 0 /* Facilitydataarray */ ); capi_cmsg2message(&cmdcmsg, cmdcmsg.buf); plci_change_state(card, bchan->plcip, EV_PLCI_CONNECT_RESP); send_message(card, &cmdcmsg); return 0; case ISDN_CMD_ACCEPTB: if (debugmode) printk(KERN_DEBUG "capidrv-%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); } else if (bchan->plcip) { bchan->disconnecting = 1; if (bchan->plcip->state == ST_PLCI_INCOMING) { /* just ignore, we a called from isdn_status_callback(), * which will return 0 or 2, this is handled by the * CONNECT_IND handler */ } else { capi_fill_DISCONNECT_REQ(&cmdcmsg, global.appid, card->msgid++, bchan->plcip->plci, 0, /* BChannelinformation */ 0, /* Keypadfacility */ 0, /* Useruserdata */ 0 /* Facilitydataarray */ ); plci_change_state(card, bchan->plcip, EV_PLCI_DISCONNECT_REQ); send_message(card, &cmdcmsg); } } /* ready */ case ISDN_CMD_SETL2: if (debugmode) printk(KERN_DEBUG "capidrv-%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; 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_GETL2\n", card->contrnr); return -ENODEV; case ISDN_CMD_GETL3: if (debugmode) printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_GETL3\n", card->contrnr); return -ENODEV; case ISDN_CMD_GETEAZ: if (debugmode) printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_GETEAZ\n", card->contrnr); return -ENODEV; case ISDN_CMD_SETSIL: if (debugmode) printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_SETSIL\n", card->contrnr); return -ENODEV; case ISDN_CMD_GETSIL: if (debugmode) printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_GETSIL\n", 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-%d: if_command %d called with invalid driverId %d!\n", card->contrnr, c->command, c->driver); return -ENODEV; } static _cmsg sendcmsg; static int if_sendbuf(int id, int channel, struct sk_buff *skb) { capidrv_contr *card = findcontrbydriverid(id); capidrv_bchan *bchan; capidrv_ncci *nccip; int len = skb->len; size_t msglen; __u16 errcode; if (!card) { printk(KERN_ERR "capidrv-%d: if_sendbuf called with invalid driverId %d!\n", card->contrnr, id); return 0; } 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; } capi_fill_DATA_B3_REQ(&sendcmsg, global.appid, card->msgid++, nccip->ncci, /* adr */ (__u32) skb->data, /* Data */ skb->len, /* DataLength */ nccip->datahandle++, /* DataHandle */ 0 /* Flags */ ); capi_cmsg2message(&sendcmsg, sendcmsg.buf); msglen = CAPIMSG_LEN(sendcmsg.buf); if (skb_headroom(skb) < msglen) { struct sk_buff *nskb = dev_alloc_skb(msglen + skb->len); if (!nskb) { printk(KERN_ERR "capidrv-%d: if_sendbuf: no memory\n", card->contrnr); return 0; } #if 0 printk(KERN_DEBUG "capidrv-%d: only %d bytes headroom\n", card->contrnr, skb_headroom(skb)); #endif SET_SKB_FREE(nskb); memcpy(skb_put(nskb, msglen), sendcmsg.buf, msglen); memcpy(skb_put(nskb, skb->len), skb->data, skb->len); errcode = (*capifuncs->capi_put_message) (global.appid, nskb); switch (errcode) { case CAPI_NOERROR: dev_kfree_skb(skb, FREE_WRITE); return len; case CAPI_SENDQUEUEFULL: dev_kfree_skb(nskb, FREE_WRITE); return 0; default: return -1; } } else { memcpy(skb_push(skb, msglen), sendcmsg.buf, msglen); errcode = (*capifuncs->capi_put_message) (global.appid, skb); switch (errcode) { case CAPI_NOERROR: return len; case CAPI_SENDQUEUEFULL: return 0; default: return -1; } } } static int 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-%d: if_readstat called with invalid driverId %d!\n", card->contrnr, 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\n", card->name); 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 enabled\n", card->name); capi_fill_MANUFACTURER_REQ(&cmdcmsg, global.appid, 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.appid, card->msgid++, contr, 0x214D5641, /* ManuID */ 0, /* Class */ 1, /* Function */ (_cstruct)"\004\002\003\000\000"); } send_message(card, &cmdcmsg); } static int capidrv_addcontr(__u16 contr, struct capi_profile *profp) { capidrv_contr *card; isdn_ctrl cmd; char id[20]; int i; sprintf(id, "capidrv-%d", contr); if (!(card = (capidrv_contr *) kmalloc(sizeof(capidrv_contr), GFP_ATOMIC))) { printk(KERN_WARNING "capidrv: (%s) Could not allocate contr-struct.\n", id); return -1; } memset(card, 0, sizeof(capidrv_contr)); strcpy(card->name, id); card->contrnr = contr; card->nbchan = profp->nbchannel; card->bchans = (capidrv_bchan *) kmalloc(sizeof(capidrv_bchan) * card->nbchan, GFP_ATOMIC); if (!card->bchans) { printk(KERN_WARNING "capidrv: (%s) Could not allocate bchan-structs.\n", id); kfree(card); return -1; } card->interface.channels = profp->nbchannel; card->interface.maxbufsize = 2048; card->interface.command = if_command; card->interface.writebuf_skb = if_sendbuf; card->interface.writecmd = 0; card->interface.readstat = if_readstat; card->interface.features = ISDN_FEATURE_L2_X75I | ISDN_FEATURE_L2_X75UI | ISDN_FEATURE_L2_X75BUI | ISDN_FEATURE_L2_HDLC | ISDN_FEATURE_L2_TRANS | ISDN_FEATURE_L3_TRANS | ISDN_FEATURE_P_UNKNOWN; card->interface.hl_hdrlen = 22; /* len of DATA_B3_REQ */ strncpy(card->interface.id, id, sizeof(card->interface.id) - 1); card->next = global.contr_list; global.contr_list = card; global.ncontr++; 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)) { global.contr_list = global.contr_list->next; printk(KERN_ERR "capidrv: Unable to register contr %s\n", id); kfree(card->bchans); kfree(card); return -1; } card->myid = card->interface.channels; memset(card->bchans, 0, sizeof(capidrv_bchan) * card->nbchan); for (i = 0; i < card->nbchan; i++) { card->bchans[i].contr = card; } cmd.driver = card->myid; cmd.command = ISDN_STAT_RUN; card->interface.statcallb(&cmd); card->cipmask = 0x1FFF03FF; /* any */ card->cipmask2 = 0; capi_fill_LISTEN_REQ(&cmdcmsg, global.appid, card->msgid++, contr, /* controller */ 1 << 6, /* Infomask */ card->cipmask, card->cipmask2, 0, 0); send_message(card, &cmdcmsg); listen_change_state(card, EV_LISTEN_REQ); printk(KERN_INFO "%s: now up (%d B channels)\n", card->name, card->nbchan); if (card->nbchan == 2) /* no T1 */ enable_dchannel_trace(card); return 0; } static int capidrv_delcontr(__u16 contr) { capidrv_contr **pp, *card; isdn_ctrl cmd; int i; for (pp = &global.contr_list; *pp; pp = &(*pp)->next) { if ((*pp)->contrnr == contr) break; } if (!*pp) { printk(KERN_ERR "capidrv: delcontr: no contr %u\n", contr); return -1; } card = *pp; *pp = (*pp)->next; global.ncontr--; for (i = 0; i < card->nbchan; i++) { if (card->bchans[i].nccip) free_ncci(card, card->bchans[i].nccip); if (card->bchans[i].plcip) free_plci(card, card->bchans[i].plcip); if (card->plci_list) printk(KERN_ERR "capidrv: bug in free_plci()\n"); } kfree(card->bchans); cmd.command = ISDN_STAT_UNLOAD; cmd.driver = card->myid; card->interface.statcallb(&cmd); printk(KERN_INFO "%s: now down.\n", card->name); kfree(card); return 0; } static void lower_callback(unsigned int cmd, __u16 contr, void *data) { switch (cmd) { case KCI_CONTRUP: (void) capidrv_addcontr(contr, (capi_profile *) data); break; case KCI_CONTRDOWN: (void) capidrv_delcontr(contr); break; } } static struct capi_interface_user cuser = { "capidrv", lower_callback }; #ifdef MODULE #define capidrv_init init_module #endif int capidrv_init(void) { struct capi_register_params rparam; capi_profile profile; char rev[10]; char *p; __u32 ncontr, contr; __u16 errcode; capifuncs = attach_capi_interface(&cuser); if (!capifuncs) return -EIO; #ifndef HAS_NEW_SYMTAB /* No symbols to export, hide all symbols */ register_symtab(NULL); #endif if ((p = strchr(revision, ':'))) { strcpy(rev, p + 1); p = strchr(rev, '$'); *p = 0; } else strcpy(rev, " ??? "); rparam.level3cnt = -2; /* number of bchannels twice */ rparam.datablkcnt = 16; rparam.datablklen = 2048; errcode = (*capifuncs->capi_register) (&rparam, &global.appid); if (errcode) { detach_capi_interface(&cuser); return -EIO; } errcode = (*capifuncs->capi_get_profile) (0, &profile); if (errcode != CAPI_NOERROR) { (void) (*capifuncs->capi_release) (global.appid); detach_capi_interface(&cuser); return -EIO; } (void) (*capifuncs->capi_set_signal) (global.appid, capidrv_signal, 0); ncontr = profile.ncontroller; for (contr = 1; contr <= ncontr; contr++) { errcode = (*capifuncs->capi_get_profile) (contr, &profile); if (errcode != CAPI_NOERROR) continue; (void) capidrv_addcontr(contr, &profile); } return 0; } #ifdef MODULE void cleanup_module(void) { capidrv_contr *card, *next; char rev[10]; char *p; if ((p = strchr(revision, ':'))) { strcpy(rev, p + 1); p = strchr(rev, '$'); *p = 0; } else { strcpy(rev, " ??? "); } for (card = global.contr_list; card; card = next) { next = card->next; capidrv_delcontr(card->contrnr); } (void) (*capifuncs->capi_release) (global.appid); detach_capi_interface(&cuser); printk(KERN_NOTICE "capidrv: Rev%s: unloaded\n", rev); } #endif