| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Linus Torvalds (pre-git) | 11268 | 87.23% | 13 | 20.31% |
| Paul Bolle | 698 | 5.40% | 2 | 3.12% |
| Karsten Keil | 185 | 1.43% | 4 | 6.25% |
| Kai Germaschewski | 178 | 1.38% | 9 | 14.06% |
| Tilman Schmidt | 149 | 1.15% | 3 | 4.69% |
| Al Viro | 113 | 0.87% | 3 | 4.69% |
| Andrew Morton | 75 | 0.58% | 2 | 3.12% |
| Jan Kiszka | 60 | 0.46% | 1 | 1.56% |
| Andy Shevchenko | 43 | 0.33% | 2 | 3.12% |
| Jeff Garzik | 33 | 0.26% | 2 | 3.12% |
| Kees Cook | 19 | 0.15% | 2 | 3.12% |
| Linus Torvalds | 15 | 0.12% | 4 | 6.25% |
| Jesper Juhl | 14 | 0.11% | 1 | 1.56% |
| Alexey Dobriyan | 14 | 0.11% | 1 | 1.56% |
| Harvey Harrison | 10 | 0.08% | 2 | 3.12% |
| Armin Schindler | 9 | 0.07% | 1 | 1.56% |
| Tejun Heo | 6 | 0.05% | 1 | 1.56% |
| Marcel Holtmann | 6 | 0.05% | 1 | 1.56% |
| Thomas Gleixner | 4 | 0.03% | 1 | 1.56% |
| Randy Dunlap | 4 | 0.03% | 1 | 1.56% |
| Vaishali Thakkar | 3 | 0.02% | 1 | 1.56% |
| Burman Yan | 3 | 0.02% | 1 | 1.56% |
| Roel Kluin | 2 | 0.02% | 1 | 1.56% |
| Christoph Hellwig | 2 | 0.02% | 1 | 1.56% |
| Johannes Berg | 1 | 0.01% | 1 | 1.56% |
| André Goddard Rosa | 1 | 0.01% | 1 | 1.56% |
| Alan Cox | 1 | 0.01% | 1 | 1.56% |
| Joe Perches | 1 | 0.01% | 1 | 1.56% |
| Total | 12917 | 64 |
/* $Id: capidrv.c,v 1.1.2.2 2004/01/12 23:17:24 keil Exp $ * * ISDN4Linux Driver, using capi20 interface (kernelcapi) * * Copyright 1997 by Carsten Paeth <calle@calle.de> * * This software may be used and distributed according to the terms * of the GNU General Public License, incorporated herein by reference. * */ #include <linux/compiler.h> #include <linux/module.h> #include <linux/errno.h> #include <linux/kernel.h> #include <linux/major.h> #include <linux/slab.h> #include <linux/fcntl.h> #include <linux/fs.h> #include <linux/signal.h> #include <linux/mm.h> #include <linux/timer.h> #include <linux/wait.h> #include <linux/skbuff.h> #include <linux/isdn.h> #include <linux/isdnif.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> #include <linux/capi.h> #include <linux/kernelcapi.h> #include <linux/ctype.h> #include <linux/init.h> #include <linux/moduleparam.h> #include <linux/isdn/capiutil.h> #include <linux/isdn/capicmd.h> #include "capidrv.h" static int debugmode = 0; MODULE_DESCRIPTION("CAPI4Linux: Interface to ISDN4Linux"); MODULE_AUTHOR("Carsten Paeth"); MODULE_LICENSE("GPL"); module_param(debugmode, uint, S_IRUGO | S_IWUSR); /* -------- type definitions ----------------------------------------- */ struct capidrv_contr { struct capidrv_contr *next; struct module *owner; u32 contrnr; char name[20]; /* * for isdn4linux */ isdn_if interface; int myid; /* * LISTEN state */ int state; u32 cipmask; u32 cipmask2; struct timer_list listentimer; /* * ID of capi message sent */ u16 msgid; /* * B-Channels */ int nbchan; struct capidrv_bchan { struct capidrv_contr *contr; u8 msn[ISDN_MSNLEN]; int l2; int l3; u8 num[ISDN_MSNLEN]; u8 mynum[ISDN_MSNLEN]; int si1; int si2; int incoming; int disconnecting; struct capidrv_plci { struct capidrv_plci *next; u32 plci; u32 ncci; /* ncci for CONNECT_ACTIVE_IND */ u16 msgid; /* to identfy CONNECT_CONF */ int chan; int state; int leasedline; struct capidrv_ncci { struct capidrv_ncci *next; struct capidrv_plci *plcip; u32 ncci; u16 msgid; /* to identfy CONNECT_B3_CONF */ int chan; int state; int oldstate; /* */ u16 datahandle; struct ncci_datahandle_queue { struct ncci_datahandle_queue *next; u16 datahandle; int len; } *ackqueue; } *ncci_list; } *plcip; struct capidrv_ncci *nccip; } *bchans; struct capidrv_plci *plci_list; /* for q931 data */ u8 q931_buf[4096]; u8 *q931_read; u8 *q931_write; u8 *q931_end; }; struct capidrv_data { struct capi20_appl ap; int ncontr; struct capidrv_contr *contr_list; }; typedef struct capidrv_plci capidrv_plci; typedef struct capidrv_ncci capidrv_ncci; typedef struct capidrv_contr capidrv_contr; typedef struct capidrv_data capidrv_data; typedef struct capidrv_bchan capidrv_bchan; /* -------- data definitions ----------------------------------------- */ static capidrv_data global; static DEFINE_SPINLOCK(global_lock); static void handle_dtrace_data(capidrv_contr *card, int send, int level2, u8 *data, u16 len); /* -------- convert functions ---------------------------------------- */ static inline u32 b1prot(int l2, int l3) { switch (l2) { case ISDN_PROTO_L2_X75I: case ISDN_PROTO_L2_X75UI: case ISDN_PROTO_L2_X75BUI: return 0; case ISDN_PROTO_L2_HDLC: default: return 0; case ISDN_PROTO_L2_TRANS: return 1; case ISDN_PROTO_L2_V11096: case ISDN_PROTO_L2_V11019: case ISDN_PROTO_L2_V11038: return 2; case ISDN_PROTO_L2_FAX: return 4; case ISDN_PROTO_L2_MODEM: return 8; } } static inline u32 b2prot(int l2, int l3) { switch (l2) { case ISDN_PROTO_L2_X75I: case ISDN_PROTO_L2_X75UI: case ISDN_PROTO_L2_X75BUI: default: return 0; case ISDN_PROTO_L2_HDLC: case ISDN_PROTO_L2_TRANS: case ISDN_PROTO_L2_V11096: case ISDN_PROTO_L2_V11019: case ISDN_PROTO_L2_V11038: case ISDN_PROTO_L2_MODEM: return 1; case ISDN_PROTO_L2_FAX: return 4; } } static inline u32 b3prot(int l2, int l3) { switch (l2) { case ISDN_PROTO_L2_X75I: case ISDN_PROTO_L2_X75UI: case ISDN_PROTO_L2_X75BUI: case ISDN_PROTO_L2_HDLC: case ISDN_PROTO_L2_TRANS: case ISDN_PROTO_L2_V11096: case ISDN_PROTO_L2_V11019: case ISDN_PROTO_L2_V11038: case ISDN_PROTO_L2_MODEM: default: return 0; case ISDN_PROTO_L2_FAX: return 4; } } static _cstruct b1config_async_v110(u16 rate) { /* CAPI-Spec "B1 Configuration" */ static unsigned char buf[9]; buf[0] = 8; /* len */ /* maximum bitrate */ buf[1] = rate & 0xff; buf[2] = (rate >> 8) & 0xff; buf[3] = 8; buf[4] = 0; /* 8 bits per character */ buf[5] = 0; buf[6] = 0; /* parity none */ buf[7] = 0; buf[8] = 0; /* 1 stop bit */ return buf; } static _cstruct b1config(int l2, int l3) { switch (l2) { case ISDN_PROTO_L2_X75I: case ISDN_PROTO_L2_X75UI: case ISDN_PROTO_L2_X75BUI: case ISDN_PROTO_L2_HDLC: case ISDN_PROTO_L2_TRANS: default: return NULL; case ISDN_PROTO_L2_V11096: return b1config_async_v110(9600); case ISDN_PROTO_L2_V11019: return b1config_async_v110(19200); case ISDN_PROTO_L2_V11038: return b1config_async_v110(38400); } } static inline u16 si2cip(u8 si1, u8 si2) { static const u8 cip[17][5] = { /* 0 1 2 3 4 */ {0, 0, 0, 0, 0}, /*0 */ {16, 16, 4, 26, 16}, /*1 */ {17, 17, 17, 4, 4}, /*2 */ {2, 2, 2, 2, 2}, /*3 */ {18, 18, 18, 18, 18}, /*4 */ {2, 2, 2, 2, 2}, /*5 */ {0, 0, 0, 0, 0}, /*6 */ {2, 2, 2, 2, 2}, /*7 */ {2, 2, 2, 2, 2}, /*8 */ {21, 21, 21, 21, 21}, /*9 */ {19, 19, 19, 19, 19}, /*10 */ {0, 0, 0, 0, 0}, /*11 */ {0, 0, 0, 0, 0}, /*12 */ {0, 0, 0, 0, 0}, /*13 */ {0, 0, 0, 0, 0}, /*14 */ {22, 22, 22, 22, 22}, /*15 */ {27, 27, 27, 28, 27} /*16 */ }; if (si1 > 16) si1 = 0; if (si2 > 4) si2 = 0; return (u16) cip[si1][si2]; } static inline u8 cip2si1(u16 cipval) { static const u8 si[32] = {7, 1, 7, 7, 1, 1, 7, 7, /*0-7 */ 7, 1, 0, 0, 0, 0, 0, 0, /*8-15 */ 1, 2, 4, 10, 9, 9, 15, 7, /*16-23 */ 7, 7, 1, 16, 16, 0, 0, 0}; /*24-31 */ if (cipval > 31) cipval = 0; /* .... */ return si[cipval]; } static inline u8 cip2si2(u16 cipval) { static const u8 si[32] = {0, 0, 0, 0, 2, 3, 0, 0, /*0-7 */ 0, 3, 0, 0, 0, 0, 0, 0, /*8-15 */ 1, 2, 0, 0, 9, 0, 0, 0, /*16-23 */ 0, 0, 3, 2, 3, 0, 0, 0}; /*24-31 */ if (cipval > 31) cipval = 0; /* .... */ return si[cipval]; } /* -------- controller management ------------------------------------- */ static inline capidrv_contr *findcontrbydriverid(int driverid) { unsigned long flags; capidrv_contr *p; spin_lock_irqsave(&global_lock, flags); for (p = global.contr_list; p; p = p->next) if (p->myid == driverid) break; spin_unlock_irqrestore(&global_lock, flags); return p; } static capidrv_contr *findcontrbynumber(u32 contr) { unsigned long flags; capidrv_contr *p = global.contr_list; spin_lock_irqsave(&global_lock, flags); for (p = global.contr_list; p; p = p->next) if (p->contrnr == contr) break; spin_unlock_irqrestore(&global_lock, flags); return p; } /* -------- plci management ------------------------------------------ */ static capidrv_plci *new_plci(capidrv_contr *card, int chan) { capidrv_plci *plcip; plcip = kzalloc(sizeof(capidrv_plci), GFP_ATOMIC); if (plcip == NULL) return NULL; plcip->state = ST_PLCI_NONE; plcip->plci = 0; plcip->msgid = 0; plcip->chan = chan; plcip->next = card->plci_list; card->plci_list = plcip; card->bchans[chan].plcip = plcip; return plcip; } static capidrv_plci *find_plci_by_plci(capidrv_contr *card, u32 plci) { capidrv_plci *p; for (p = card->plci_list; p; p = p->next) if (p->plci == plci) return p; return NULL; } static capidrv_plci *find_plci_by_msgid(capidrv_contr *card, u16 msgid) { capidrv_plci *p; for (p = card->plci_list; p; p = p->next) if (p->msgid == msgid) return p; return NULL; } static capidrv_plci *find_plci_by_ncci(capidrv_contr *card, u32 ncci) { capidrv_plci *p; for (p = card->plci_list; p; p = p->next) if (p->plci == (ncci & 0xffff)) return p; return NULL; } static void free_plci(capidrv_contr *card, capidrv_plci *plcip) { capidrv_plci **pp; for (pp = &card->plci_list; *pp; pp = &(*pp)->next) { if (*pp == plcip) { *pp = (*pp)->next; card->bchans[plcip->chan].plcip = NULL; card->bchans[plcip->chan].disconnecting = 0; card->bchans[plcip->chan].incoming = 0; kfree(plcip); return; } } printk(KERN_ERR "capidrv-%d: free_plci %p (0x%x) not found, Huh?\n", card->contrnr, plcip, plcip->plci); } /* -------- ncci management ------------------------------------------ */ static inline capidrv_ncci *new_ncci(capidrv_contr *card, capidrv_plci *plcip, u32 ncci) { capidrv_ncci *nccip; nccip = kzalloc(sizeof(capidrv_ncci), GFP_ATOMIC); if (nccip == NULL) return NULL; nccip->ncci = ncci; nccip->state = ST_NCCI_NONE; nccip->plcip = plcip; nccip->chan = plcip->chan; nccip->datahandle = 0; nccip->next = plcip->ncci_list; plcip->ncci_list = nccip; card->bchans[plcip->chan].nccip = nccip; return nccip; } static inline capidrv_ncci *find_ncci(capidrv_contr *card, u32 ncci) { capidrv_plci *plcip; capidrv_ncci *p; if ((plcip = find_plci_by_ncci(card, ncci)) == NULL) return NULL; for (p = plcip->ncci_list; p; p = p->next) if (p->ncci == ncci) return p; return NULL; } static inline capidrv_ncci *find_ncci_by_msgid(capidrv_contr *card, u32 ncci, u16 msgid) { capidrv_plci *plcip; capidrv_ncci *p; if ((plcip = find_plci_by_ncci(card, ncci)) == NULL) return NULL; for (p = plcip->ncci_list; p; p = p->next) if (p->msgid == msgid) return p; return NULL; } static void free_ncci(capidrv_contr *card, struct capidrv_ncci *nccip) { struct capidrv_ncci **pp; for (pp = &(nccip->plcip->ncci_list); *pp; pp = &(*pp)->next) { if (*pp == nccip) { *pp = (*pp)->next; break; } } card->bchans[nccip->chan].nccip = NULL; kfree(nccip); } static int capidrv_add_ack(struct capidrv_ncci *nccip, u16 datahandle, int len) { struct ncci_datahandle_queue *n, **pp; n = kmalloc(sizeof(struct ncci_datahandle_queue), GFP_ATOMIC); if (!n) { printk(KERN_ERR "capidrv: kmalloc ncci_datahandle failed\n"); return -1; } n->next = NULL; n->datahandle = datahandle; n->len = len; for (pp = &nccip->ackqueue; *pp; pp = &(*pp)->next); *pp = n; return 0; } static int capidrv_del_ack(struct capidrv_ncci *nccip, u16 datahandle) { struct ncci_datahandle_queue **pp, *p; int len; for (pp = &nccip->ackqueue; *pp; pp = &(*pp)->next) { if ((*pp)->datahandle == datahandle) { p = *pp; len = p->len; *pp = (*pp)->next; kfree(p); return len; } } return -1; } /* -------- convert and send capi message ---------------------------- */ static void send_message(capidrv_contr *card, _cmsg *cmsg) { struct sk_buff *skb; size_t len; if (capi_cmsg2message(cmsg, cmsg->buf)) { printk(KERN_ERR "capidrv::send_message: parser failure\n"); return; } len = CAPIMSG_LEN(cmsg->buf); skb = alloc_skb(len, GFP_ATOMIC); if (!skb) { printk(KERN_ERR "capidrv::send_message: can't allocate mem\n"); return; } skb_put_data(skb, cmsg->buf, len); if (capi20_put_message(&global.ap, skb) != CAPI_NOERROR) kfree_skb(skb); } /* -------- state machine -------------------------------------------- */ struct listenstatechange { int actstate; int nextstate; int event; }; static struct listenstatechange listentable[] = { {ST_LISTEN_NONE, ST_LISTEN_WAIT_CONF, EV_LISTEN_REQ}, {ST_LISTEN_ACTIVE, ST_LISTEN_ACTIVE_WAIT_CONF, EV_LISTEN_REQ}, {ST_LISTEN_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_ERROR}, {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_ERROR}, {ST_LISTEN_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_EMPTY}, {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_EMPTY}, {ST_LISTEN_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_OK}, {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_OK}, {}, }; static void listen_change_state(capidrv_contr *card, int event) { struct listenstatechange *p = listentable; while (p->event) { if (card->state == p->actstate && p->event == event) { if (debugmode) printk(KERN_DEBUG "capidrv-%d: listen_change_state %d -> %d\n", card->contrnr, card->state, p->nextstate); card->state = p->nextstate; return; } p++; } printk(KERN_ERR "capidrv-%d: listen_change_state state=%d event=%d ????\n", card->contrnr, card->state, event); } /* ------------------------------------------------------------------ */ static void p0(capidrv_contr *card, capidrv_plci *plci) { isdn_ctrl cmd; card->bchans[plci->chan].contr = NULL; cmd.command = ISDN_STAT_DHUP; cmd.driver = card->myid; cmd.arg = plci->chan; card->interface.statcallb(&cmd); free_plci(card, plci); } /* ------------------------------------------------------------------ */ struct plcistatechange { int actstate; int nextstate; int event; void (*changefunc)(capidrv_contr *card, capidrv_plci *plci); }; static struct plcistatechange plcitable[] = { /* P-0 */ {ST_PLCI_NONE, ST_PLCI_OUTGOING, EV_PLCI_CONNECT_REQ, NULL}, {ST_PLCI_NONE, ST_PLCI_ALLOCATED, EV_PLCI_FACILITY_IND_UP, NULL}, {ST_PLCI_NONE, ST_PLCI_INCOMING, EV_PLCI_CONNECT_IND, NULL}, {ST_PLCI_NONE, ST_PLCI_RESUMEING, EV_PLCI_RESUME_REQ, NULL}, /* P-0.1 */ {ST_PLCI_OUTGOING, ST_PLCI_NONE, EV_PLCI_CONNECT_CONF_ERROR, p0}, {ST_PLCI_OUTGOING, ST_PLCI_ALLOCATED, EV_PLCI_CONNECT_CONF_OK, NULL}, /* P-1 */ {ST_PLCI_ALLOCATED, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, NULL}, {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL}, {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL}, {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL}, /* P-ACT */ {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL}, {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL}, {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL}, {ST_PLCI_ACTIVE, ST_PLCI_HELD, EV_PLCI_HOLD_IND, NULL}, {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_SUSPEND_IND, NULL}, /* P-2 */ {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_CONNECT_REJECT, NULL}, {ST_PLCI_INCOMING, ST_PLCI_FACILITY_IND, EV_PLCI_FACILITY_IND_UP, NULL}, {ST_PLCI_INCOMING, ST_PLCI_ACCEPTING, EV_PLCI_CONNECT_RESP, NULL}, {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL}, {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL}, {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL}, {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_CD_IND, NULL}, /* P-3 */ {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_CONNECT_REJECT, NULL}, {ST_PLCI_FACILITY_IND, ST_PLCI_ACCEPTING, EV_PLCI_CONNECT_ACTIVE_IND, NULL}, {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL}, {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL}, {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL}, /* P-4 */ {ST_PLCI_ACCEPTING, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, NULL}, {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL}, {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL}, {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL}, /* P-5 */ {ST_PLCI_DISCONNECTING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL}, /* P-6 */ {ST_PLCI_DISCONNECTED, ST_PLCI_NONE, EV_PLCI_DISCONNECT_RESP, p0}, /* P-0.Res */ {ST_PLCI_RESUMEING, ST_PLCI_NONE, EV_PLCI_RESUME_CONF_ERROR, p0}, {ST_PLCI_RESUMEING, ST_PLCI_RESUME, EV_PLCI_RESUME_CONF_OK, NULL}, /* P-RES */ {ST_PLCI_RESUME, ST_PLCI_ACTIVE, EV_PLCI_RESUME_IND, NULL}, /* P-HELD */ {ST_PLCI_HELD, ST_PLCI_ACTIVE, EV_PLCI_RETRIEVE_IND, NULL}, {}, }; static void plci_change_state(capidrv_contr *card, capidrv_plci *plci, int event) { struct plcistatechange *p = plcitable; while (p->event) { if (plci->state == p->actstate && p->event == event) { if (debugmode) printk(KERN_DEBUG "capidrv-%d: plci_change_state:0x%x %d -> %d\n", card->contrnr, plci->plci, plci->state, p->nextstate); plci->state = p->nextstate; if (p->changefunc) p->changefunc(card, plci); return; } p++; } printk(KERN_ERR "capidrv-%d: plci_change_state:0x%x state=%d event=%d ????\n", card->contrnr, plci->plci, plci->state, event); } /* ------------------------------------------------------------------ */ static _cmsg cmsg; static void n0(capidrv_contr *card, capidrv_ncci *ncci) { isdn_ctrl cmd; capi_fill_DISCONNECT_REQ(&cmsg, global.ap.applid, card->msgid++, ncci->plcip->plci, NULL, /* BChannelinformation */ NULL, /* Keypadfacility */ NULL, /* Useruserdata */ /* $$$$ */ NULL /* Facilitydataarray */ ); plci_change_state(card, ncci->plcip, EV_PLCI_DISCONNECT_REQ); send_message(card, &cmsg); cmd.command = ISDN_STAT_BHUP; cmd.driver = card->myid; cmd.arg = ncci->chan; card->interface.statcallb(&cmd); free_ncci(card, ncci); } /* ------------------------------------------------------------------ */ struct nccistatechange { int actstate; int nextstate; int event; void (*changefunc)(capidrv_contr *card, capidrv_ncci *ncci); }; static struct nccistatechange nccitable[] = { /* N-0 */ {ST_NCCI_NONE, ST_NCCI_OUTGOING, EV_NCCI_CONNECT_B3_REQ, NULL}, {ST_NCCI_NONE, ST_NCCI_INCOMING, EV_NCCI_CONNECT_B3_IND, NULL}, /* N-0.1 */ {ST_NCCI_OUTGOING, ST_NCCI_ALLOCATED, EV_NCCI_CONNECT_B3_CONF_OK, NULL}, {ST_NCCI_OUTGOING, ST_NCCI_NONE, EV_NCCI_CONNECT_B3_CONF_ERROR, n0}, /* N-1 */ {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTING, EV_NCCI_CONNECT_B3_REJECT, NULL}, {ST_NCCI_INCOMING, ST_NCCI_ALLOCATED, EV_NCCI_CONNECT_B3_RESP, NULL}, {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL}, {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL}, /* N-2 */ {ST_NCCI_ALLOCATED, ST_NCCI_ACTIVE, EV_NCCI_CONNECT_B3_ACTIVE_IND, NULL}, {ST_NCCI_ALLOCATED, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL}, {ST_NCCI_ALLOCATED, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL}, /* N-ACT */ {ST_NCCI_ACTIVE, ST_NCCI_ACTIVE, EV_NCCI_RESET_B3_IND, NULL}, {ST_NCCI_ACTIVE, ST_NCCI_RESETING, EV_NCCI_RESET_B3_REQ, NULL}, {ST_NCCI_ACTIVE, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL}, {ST_NCCI_ACTIVE, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL}, /* N-3 */ {ST_NCCI_RESETING, ST_NCCI_ACTIVE, EV_NCCI_RESET_B3_IND, NULL}, {ST_NCCI_RESETING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL}, {ST_NCCI_RESETING, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL}, /* N-4 */ {ST_NCCI_DISCONNECTING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL}, {ST_NCCI_DISCONNECTING, ST_NCCI_PREVIOUS, EV_NCCI_DISCONNECT_B3_CONF_ERROR, NULL}, /* N-5 */ {ST_NCCI_DISCONNECTED, ST_NCCI_NONE, EV_NCCI_DISCONNECT_B3_RESP, n0}, {}, }; static void ncci_change_state(capidrv_contr *card, capidrv_ncci *ncci, int event) { struct nccistatechange *p = nccitable; while (p->event) { if (ncci->state == p->actstate && p->event == event) { if (debugmode) printk(KERN_DEBUG "capidrv-%d: ncci_change_state:0x%x %d -> %d\n", card->contrnr, ncci->ncci, ncci->state, p->nextstate); if (p->nextstate == ST_NCCI_PREVIOUS) { ncci->state = ncci->oldstate; ncci->oldstate = p->actstate; } else { ncci->oldstate = p->actstate; ncci->state = p->nextstate; } if (p->changefunc) p->changefunc(card, ncci); return; } p++; } printk(KERN_ERR "capidrv-%d: ncci_change_state:0x%x state=%d event=%d ????\n", card->contrnr, ncci->ncci, ncci->state, event); } /* ------------------------------------------------------------------- */ static inline int new_bchan(capidrv_contr *card) { int i; for (i = 0; i < card->nbchan; i++) { if (card->bchans[i].plcip == NULL) { card->bchans[i].disconnecting = 0; return i; } } return -1; } /* ------------------------------------------------------------------- */ static char *capi_info2str(u16 reason) { #ifndef CONFIG_ISDN_CAPI_CAPIDRV_VERBOSE return ".."; #else switch (reason) { /*-- informative values (corresponding message was processed) -----*/ case 0x0001: return "NCPI not supported by current protocol, NCPI ignored"; case 0x0002: return "Flags not supported by current protocol, flags ignored"; case 0x0003: return "Alert already sent by another application"; /*-- error information concerning CAPI_REGISTER -----*/ case 0x1001: return "Too many applications"; case 0x1002: return "Logical block size too small, must be at least 128 Bytes"; case 0x1003: return "Buffer exceeds 64 kByte"; case 0x1004: return "Message buffer size too small, must be at least 1024 Bytes"; case 0x1005: return "Max. number of logical connections not supported"; case 0x1006: return "Reserved"; case 0x1007: return "The message could not be accepted because of an internal busy condition"; case 0x1008: return "OS resource error (no memory ?)"; case 0x1009: return "CAPI not installed"; case 0x100A: return "Controller does not support external equipment"; case 0x100B: return "Controller does only support external equipment"; /*-- error information concerning message exchange functions -----*/ case 0x1101: return "Illegal application number"; case 0x1102: return "Illegal command or subcommand or message length less than 12 bytes"; case 0x1103: return "The message could not be accepted because of a queue full condition !! The error code does not imply that CAPI cannot receive messages directed to another controller, PLCI or NCCI"; case 0x1104: return "Queue is empty"; case 0x1105: return "Queue overflow, a message was lost !! This indicates a configuration error. The only recovery from this error is to perform a CAPI_RELEASE"; case 0x1106: return "Unknown notification parameter"; case 0x1107: return "The Message could not be accepted because of an internal busy condition"; case 0x1108: return "OS Resource error (no memory ?)"; case 0x1109: return "CAPI not installed"; case 0x110A: return "Controller does not support external equipment"; case 0x110B: return "Controller does only support external equipment"; /*-- error information concerning resource / coding problems -----*/ case 0x2001: return "Message not supported in current state"; case 0x2002: return "Illegal Controller / PLCI / NCCI"; case 0x2003: return "Out of PLCI"; case 0x2004: return "Out of NCCI"; case 0x2005: return "Out of LISTEN"; case 0x2006: return "Out of FAX resources (protocol T.30)"; case 0x2007: return "Illegal message parameter coding"; /*-- error information concerning requested services -----*/ case 0x3001: return "B1 protocol not supported"; case 0x3002: return "B2 protocol not supported"; case 0x3003: return "B3 protocol not supported"; case 0x3004: return "B1 protocol parameter not supported"; case 0x3005: return "B2 protocol parameter not supported"; case 0x3006: return "B3 protocol parameter not supported"; case 0x3007: return "B protocol combination not supported"; case 0x3008: return "NCPI not supported"; case 0x3009: return "CIP Value unknown"; case 0x300A: return "Flags not supported (reserved bits)"; case 0x300B: return "Facility not supported"; case 0x300C: return "Data length not supported by current protocol"; case 0x300D: return "Reset procedure not supported by current protocol"; /*-- informations about the clearing of a physical connection -----*/ case 0x3301: return "Protocol error layer 1 (broken line or B-channel removed by signalling protocol)"; case 0x3302: return "Protocol error layer 2"; case 0x3303: return "Protocol error layer 3"; case 0x3304: return "Another application got that call"; /*-- T.30 specific reasons -----*/ case 0x3311: return "Connecting not successful (remote station is no FAX G3 machine)"; case 0x3312: return "Connecting not successful (training error)"; case 0x3313: return "Disconnected before transfer (remote station does not support transfer mode, e.g. resolution)"; case 0x3314: return "Disconnected during transfer (remote abort)"; case 0x3315: return "Disconnected during transfer (remote procedure error, e.g. unsuccessful repetition of T.30 commands)"; case 0x3316: return "Disconnected during transfer (local tx data underrun)"; case 0x3317: return "Disconnected during transfer (local rx data overflow)"; case 0x3318: return "Disconnected during transfer (local abort)"; case 0x3319: return "Illegal parameter coding (e.g. SFF coding error)"; /*-- disconnect causes from the network according to ETS 300 102-1/Q.931 -----*/ case 0x3481: return "Unallocated (unassigned) number"; case 0x3482: return "No route to specified transit network"; case 0x3483: return "No route to destination"; case 0x3486: return "Channel unacceptable"; case 0x3487: return "Call awarded and being delivered in an established channel"; case 0x3490: return "Normal call clearing"; case 0x3491: return "User busy"; case 0x3492: return "No user responding"; case 0x3493: return "No answer from user (user alerted)"; case 0x3495: return "Call rejected"; case 0x3496: return "Number changed"; case 0x349A: return "Non-selected user clearing"; case 0x349B: return "Destination out of order"; case 0x349C: return "Invalid number format"; case 0x349D: return "Facility rejected"; case 0x349E: return "Response to STATUS ENQUIRY"; case 0x349F: return "Normal, unspecified"; case 0x34A2: return "No circuit / channel available"; case 0x34A6: return "Network out of order"; case 0x34A9: return "Temporary failure"; case 0x34AA: return "Switching equipment congestion"; case 0x34AB: return "Access information discarded"; case 0x34AC: return "Requested circuit / channel not available"; case 0x34AF: return "Resources unavailable, unspecified"; case 0x34B1: return "Quality of service unavailable"; case 0x34B2: return "Requested facility not subscribed"; case 0x34B9: return "Bearer capability not authorized"; case 0x34BA: return "Bearer capability not presently available"; case 0x34BF: return "Service or option not available, unspecified"; case 0x34C1: return "Bearer capability not implemented"; case 0x34C2: return "Channel type not implemented"; case 0x34C5: return "Requested facility not implemented"; case 0x34C6: return "Only restricted digital information bearer capability is available"; case 0x34CF: return "Service or option not implemented, unspecified"; case 0x34D1: return "Invalid call reference value"; case 0x34D2: return "Identified channel does not exist"; case 0x34D3: return "A suspended call exists, but this call identity does not"; case 0x34D4: return "Call identity in use"; case 0x34D5: return "No call suspended"; case 0x34D6: return "Call having the requested call identity has been cleared"; case 0x34D8: return "Incompatible destination"; case 0x34DB: return "Invalid transit network selection"; case 0x34DF: return "Invalid message, unspecified"; case 0x34E0: return "Mandatory information element is missing"; case 0x34E1: return "Message type non-existent or not implemented"; case 0x34E2: return "Message not compatible with call state or message type non-existent or not implemented"; case 0x34E3: return "Information element non-existent or not implemented"; case 0x34E4: return "Invalid information element contents"; case 0x34E5: return "Message not compatible with call state"; case 0x34E6: return "Recovery on timer expiry"; case 0x34EF: return "Protocol error, unspecified"; case 0x34FF: return "Interworking, unspecified"; default: return "No additional information"; } #endif } static void handle_controller(_cmsg *cmsg) { capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f); if (!card) { printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n", capi_cmd2str(cmsg->Command, cmsg->Subcommand), cmsg->adr.adrController & 0x7f); return; } switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) { case CAPI_LISTEN_CONF: /* Controller */ if (debugmode) printk(KERN_DEBUG "capidrv-%d: listenconf Info=0x%4x (%s) cipmask=0x%x\n", card->contrnr, cmsg->Info, capi_info2str(cmsg->Info), card->cipmask); if (cmsg->Info) { listen_change_state(card, EV_LISTEN_CONF_ERROR); } else if (card->cipmask == 0) { listen_change_state(card, EV_LISTEN_CONF_EMPTY); } else { listen_change_state(card, EV_LISTEN_CONF_OK); } break; case CAPI_MANUFACTURER_IND: /* Controller */ if (cmsg->ManuID == 0x214D5641 && cmsg->Class == 0 && cmsg->Function == 1) { u8 *data = cmsg->ManuData + 3; u16 len = cmsg->ManuData[0]; u16 layer; int direction; if (len == 255) { len = (cmsg->ManuData[1] | (cmsg->ManuData[2] << 8)); data += 2; } len -= 2; layer = ((*(data - 1)) << 8) | *(data - 2); if (layer & 0x300) direction = (layer & 0x200) ? 0 : 1; else direction = (layer & 0x800) ? 0 : 1; if (layer & 0x0C00) { if ((layer & 0xff) == 0x80) { handle_dtrace_data(card, direction, 1, data, len); break; } } else if ((layer & 0xff) < 0x80) { handle_dtrace_data(card, direction, 0, data, len); break; } printk(KERN_INFO "capidrv-%d: %s from controller 0x%x layer 0x%x, ignored\n", card->contrnr, capi_cmd2str(cmsg->Command, cmsg->Subcommand), cmsg->adr.adrController, layer); break; } goto ignored; case CAPI_MANUFACTURER_CONF: /* Controller */ if (cmsg->ManuID == 0x214D5641) { char *s = NULL; switch (cmsg->Class) { case 0: break; case 1: s = "unknown class"; break; case 2: s = "unknown function"; break; default: s = "unknown error"; break; } if (s) printk(KERN_INFO "capidrv-%d: %s from controller 0x%x function %d: %s\n", card->contrnr, capi_cmd2str(cmsg->Command, cmsg->Subcommand), cmsg->adr.adrController, cmsg->Function, s); break; } goto ignored; case CAPI_FACILITY_IND: /* Controller/plci/ncci */ goto ignored; case CAPI_FACILITY_CONF: /* Controller/plci/ncci */ goto ignored; case CAPI_INFO_IND: /* Controller/plci */ goto ignored; case CAPI_INFO_CONF: /* Controller/plci */ goto ignored; default: printk(KERN_ERR "capidrv-%d: got %s from controller 0x%x ???", card->contrnr, capi_cmd2str(cmsg->Command, cmsg->Subcommand), cmsg->adr.adrController); } return; ignored: printk(KERN_INFO "capidrv-%d: %s from controller 0x%x ignored\n", card->contrnr, capi_cmd2str(cmsg->Command, cmsg->Subcommand), cmsg->adr.adrController); } static void handle_incoming_call(capidrv_contr *card, _cmsg *cmsg) { capidrv_plci *plcip; capidrv_bchan *bchan; isdn_ctrl cmd; int chan; if ((chan = new_bchan(card)) == -1) { printk(KERN_ERR "capidrv-%d: incoming call on not existing bchan ?\n", card->contrnr); return; } bchan = &card->bchans[chan]; if ((plcip = new_plci(card, chan)) == NULL) { printk(KERN_ERR "capidrv-%d: incoming call: no memory, sorry.\n", card->contrnr); return; } bchan->incoming = 1; plcip->plci = cmsg->adr.adrPLCI; plci_change_state(card, plcip, EV_PLCI_CONNECT_IND); cmd.command = ISDN_STAT_ICALL; cmd.driver = card->myid; cmd.arg = chan; memset(&cmd.parm.setup, 0, sizeof(cmd.parm.setup)); strncpy(cmd.parm.setup.phone, cmsg->CallingPartyNumber + 3, cmsg->CallingPartyNumber[0] - 2); strncpy(cmd.parm.setup.eazmsn, cmsg->CalledPartyNumber + 2, cmsg->CalledPartyNumber[0] - 1); cmd.parm.setup.si1 = cip2si1(cmsg->CIPValue); cmd.parm.setup.si2 = cip2si2(cmsg->CIPValue); cmd.parm.setup.plan = cmsg->CallingPartyNumber[1]; cmd.parm.setup.screen = cmsg->CallingPartyNumber[2]; printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s\n", card->contrnr, cmd.parm.setup.phone, cmd.parm.setup.si1, cmd.parm.setup.si2, cmd.parm.setup.eazmsn); if (cmd.parm.setup.si1 == 1 && cmd.parm.setup.si2 != 0) { printk(KERN_INFO "capidrv-%d: patching si2=%d to 0 for VBOX\n", card->contrnr, cmd.parm.setup.si2); cmd.parm.setup.si2 = 0; } switch (card->interface.statcallb(&cmd)) { case 0: case 3: /* No device matching this call. * and isdn_common.c has send a HANGUP command * which is ignored in state ST_PLCI_INCOMING, * so we send RESP to ignore the call */ capi_cmsg_answer(cmsg); cmsg->Reject = 1; /* ignore */ plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT); send_message(card, cmsg); printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s ignored\n", card->contrnr, cmd.parm.setup.phone, cmd.parm.setup.si1, cmd.parm.setup.si2, cmd.parm.setup.eazmsn); break; case 1: /* At least one device matching this call (RING on ttyI) * HL-driver may send ALERTING on the D-channel in this * case. * really means: RING on ttyI or a net interface * accepted this call already. * * If the call was accepted, state has already changed, * and CONNECT_RESP already sent. */ if (plcip->state == ST_PLCI_INCOMING) { printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s tty alerting\n", card->contrnr, cmd.parm.setup.phone, cmd.parm.setup.si1, cmd.parm.setup.si2, cmd.parm.setup.eazmsn); capi_fill_ALERT_REQ(cmsg, global.ap.applid, card->msgid++, plcip->plci, /* adr */ NULL,/* BChannelinformation */ NULL,/* Keypadfacility */ NULL,/* Useruserdata */ NULL /* Facilitydataarray */ ); plcip->msgid = cmsg->Messagenumber; send_message(card, cmsg); } else { printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s on netdev\n", card->contrnr, cmd.parm.setup.phone, cmd.parm.setup.si1, cmd.parm.setup.si2, cmd.parm.setup.eazmsn); } break; case 2: /* Call will be rejected. */ capi_cmsg_answer(cmsg); cmsg->Reject = 2; /* reject call, normal call clearing */ plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT); send_message(card, cmsg); break; default: /* An error happened. (Invalid parameters for example.) */ capi_cmsg_answer(cmsg); cmsg->Reject = 8; /* reject call, destination out of order */ plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT); send_message(card, cmsg); break; } return; } static void handle_plci(_cmsg *cmsg) { capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f); capidrv_plci *plcip; isdn_ctrl cmd; _cdebbuf *cdb; if (!card) { printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n", capi_cmd2str(cmsg->Command, cmsg->Subcommand), cmsg->adr.adrController & 0x7f); return; } switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) { case CAPI_DISCONNECT_IND: /* plci */ if (cmsg->Reason) { printk(KERN_INFO "capidrv-%d: %s reason 0x%x (%s) for plci 0x%x\n", card->contrnr, capi_cmd2str(cmsg->Command, cmsg->Subcommand), cmsg->Reason, capi_info2str(cmsg->Reason), cmsg->adr.adrPLCI); } if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI))) { capi_cmsg_answer(cmsg); send_message(card, cmsg); goto notfound; } card->bchans[plcip->chan].disconnecting = 1; plci_change_state(card, plcip, EV_PLCI_DISCONNECT_IND); capi_cmsg_answer(cmsg); plci_change_state(card, plcip, EV_PLCI_DISCONNECT_RESP); send_message(card, cmsg); break; case CAPI_DISCONNECT_CONF: /* plci */ if (cmsg->Info) { printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for plci 0x%x\n", card->contrnr, capi_cmd2str(cmsg->Command, cmsg->Subcommand), cmsg->Info, capi_info2str(cmsg->Info), cmsg->adr.adrPLCI); } if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI))) goto notfound; card->bchans[plcip->chan].disconnecting = 1; break; case CAPI_ALERT_CONF: /* plci */ if (cmsg->Info) { printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for plci 0x%x\n", card->contrnr, capi_cmd2str(cmsg->Command, cmsg->Subcommand), cmsg->Info, capi_info2str(cmsg->Info), cmsg->adr.adrPLCI); } break; case CAPI_CONNECT_IND: /* plci */ handle_incoming_call(card, cmsg); break; case CAPI_CONNECT_CONF: /* plci */ if (cmsg->Info) { printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for plci 0x%x\n", card->contrnr, capi_cmd2str(cmsg->Command, cmsg->Subcommand), cmsg->Info, capi_info2str(cmsg->Info), cmsg->adr.adrPLCI); } if (!(plcip = find_plci_by_msgid(card, cmsg->Messagenumber))) goto notfound; plcip->plci = cmsg->adr.adrPLCI; if (cmsg->Info) { plci_change_state(card, plcip, EV_PLCI_CONNECT_CONF_ERROR); } else { plci_change_state(card, plcip, EV_PLCI_CONNECT_CONF_OK); } break; case CAPI_CONNECT_ACTIVE_IND: /* plci */ if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI))) goto notfound; if (card->bchans[plcip->chan].incoming) { capi_cmsg_answer(cmsg); plci_change_state(card, plcip, EV_PLCI_CONNECT_ACTIVE_IND); send_message(card, cmsg); } else { capidrv_ncci *nccip; capi_cmsg_answer(cmsg); send_message(card, cmsg); nccip = new_ncci(card, plcip, cmsg->adr.adrPLCI); if (!nccip) { printk(KERN_ERR "capidrv-%d: no mem for ncci, sorry\n", card->contrnr); break; /* $$$$ */ } capi_fill_CONNECT_B3_REQ(cmsg, global.ap.applid, card->msgid++, plcip->plci, /* adr */ NULL /* NCPI */ ); nccip->msgid = cmsg->Messagenumber; plci_change_state(card, plcip, EV_PLCI_CONNECT_ACTIVE_IND); ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_REQ); send_message(card, cmsg); cmd.command = ISDN_STAT_DCONN; cmd.driver = card->myid; cmd.arg = plcip->chan; card->interface.statcallb(&cmd); } break; case CAPI_INFO_IND: /* Controller/plci */ if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI))) goto notfound; if (cmsg->InfoNumber == 0x4000) { if (cmsg->InfoElement[0] == 4) { cmd.command = ISDN_STAT_CINF; cmd.driver = card->myid; cmd.arg = plcip->chan; sprintf(cmd.parm.num, "%lu", (unsigned long) ((u32) cmsg->InfoElement[1] | ((u32) (cmsg->InfoElement[2]) << 8) | ((u32) (cmsg->InfoElement[3]) << 16) | ((u32) (cmsg->InfoElement[4]) << 24))); card->interface.statcallb(&cmd); break; } } cdb = capi_cmsg2str(cmsg); if (cdb) { printk(KERN_WARNING "capidrv-%d: %s\n", card->contrnr, cdb->buf); cdebbuf_free(cdb); } else printk(KERN_WARNING "capidrv-%d: CAPI_INFO_IND InfoNumber %x not handled\n", card->contrnr, cmsg->InfoNumber); break; case CAPI_CONNECT_ACTIVE_CONF: /* plci */ goto ignored; case CAPI_SELECT_B_PROTOCOL_CONF: /* plci */ goto ignored; case CAPI_FACILITY_IND: /* Controller/plci/ncci */ goto ignored; case CAPI_FACILITY_CONF: /* Controller/plci/ncci */ goto ignored; case CAPI_INFO_CONF: /* Controller/plci */ goto ignored; default: printk(KERN_ERR "capidrv-%d: got %s for plci 0x%x ???", card->contrnr, capi_cmd2str(cmsg->Command, cmsg->Subcommand), cmsg->adr.adrPLCI); } return; ignored: printk(KERN_INFO "capidrv-%d: %s for plci 0x%x ignored\n", card->contrnr, capi_cmd2str(cmsg->Command, cmsg->Subcommand), cmsg->adr.adrPLCI); return; notfound: printk(KERN_ERR "capidrv-%d: %s: plci 0x%x not found\n", card->contrnr, capi_cmd2str(cmsg->Command, cmsg->Subcommand), cmsg->adr.adrPLCI); return; } static void handle_ncci(_cmsg *cmsg) { capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f); capidrv_plci *plcip; capidrv_ncci *nccip; isdn_ctrl cmd; int len; if (!card) { printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n", capi_cmd2str(cmsg->Command, cmsg->Subcommand), cmsg->adr.adrController & 0x7f); return; } switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) { case CAPI_CONNECT_B3_ACTIVE_IND: /* ncci */ if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) goto notfound; capi_cmsg_answer(cmsg); ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_ACTIVE_IND); send_message(card, cmsg); cmd.command = ISDN_STAT_BCONN; cmd.driver = card->myid; cmd.arg = nccip->chan; card->interface.statcallb(&cmd); printk(KERN_INFO "capidrv-%d: chan %d up with ncci 0x%x\n", card->contrnr, nccip->chan, nccip->ncci); break; case CAPI_CONNECT_B3_ACTIVE_CONF: /* ncci */ goto ignored; case CAPI_CONNECT_B3_IND: /* ncci */ plcip = find_plci_by_ncci(card, cmsg->adr.adrNCCI); if (plcip) { nccip = new_ncci(card, plcip, cmsg->adr.adrNCCI); if (nccip) { ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_IND); capi_fill_CONNECT_B3_RESP(cmsg, global.ap.applid, card->msgid++, nccip->ncci, /* adr */ 0, /* Reject */ NULL /* NCPI */ ); ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_RESP); send_message(card, cmsg); break; } printk(KERN_ERR "capidrv-%d: no mem for ncci, sorry\n", card->contrnr); } else { printk(KERN_ERR "capidrv-%d: %s: plci for ncci 0x%x not found\n", card->contrnr, capi_cmd2str(cmsg->Command, cmsg->Subcommand), cmsg->adr.adrNCCI); } capi_fill_CONNECT_B3_RESP(cmsg, global.ap.applid, card->msgid++, cmsg->adr.adrNCCI, 2, /* Reject */ NULL /* NCPI */ ); send_message(card, cmsg); break; case CAPI_CONNECT_B3_CONF: /* ncci */ if (!(nccip = find_ncci_by_msgid(card, cmsg->adr.adrNCCI, cmsg->Messagenumber))) goto notfound; nccip->ncci = cmsg->adr.adrNCCI; if (cmsg->Info) { printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for ncci 0x%x\n", card->contrnr, capi_cmd2str(cmsg->Command, cmsg->Subcommand), cmsg->Info, capi_info2str(cmsg->Info), cmsg->adr.adrNCCI); } if (cmsg->Info) ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_CONF_ERROR); else ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_CONF_OK); break; case CAPI_CONNECT_B3_T90_ACTIVE_IND: /* ncci */ capi_cmsg_answer(cmsg); send_message(card, cmsg); break; case CAPI_DATA_B3_IND: /* ncci */ /* handled in handle_data() */ goto ignored; case CAPI_DATA_B3_CONF: /* ncci */ if (cmsg->Info) { printk(KERN_WARNING "CAPI_DATA_B3_CONF: Info %x - %s\n", cmsg->Info, capi_info2str(cmsg->Info)); } if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) goto notfound; len = capidrv_del_ack(nccip, cmsg->DataHandle); if (len < 0) break; cmd.command = ISDN_STAT_BSENT; cmd.driver = card->myid; cmd.arg = nccip->chan; cmd.parm.length = len; card->interface.statcallb(&cmd); break; case CAPI_DISCONNECT_B3_IND: /* ncci */ if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) goto notfound; card->bchans[nccip->chan].disconnecting = 1; ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_IND); capi_cmsg_answer(cmsg); ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_RESP); send_message(card, cmsg); break; case CAPI_DISCONNECT_B3_CONF: /* ncci */ if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) goto notfound; if (cmsg->Info) { printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for ncci 0x%x\n", card->contrnr, capi_cmd2str(cmsg->Command, cmsg->Subcommand), cmsg->Info, capi_info2str(cmsg->Info), cmsg->adr.adrNCCI); ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_CONF_ERROR); } break; case CAPI_RESET_B3_IND: /* ncci */ if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) goto notfound; ncci_change_state(card, nccip, EV_NCCI_RESET_B3_IND); capi_cmsg_answer(cmsg); send_message(card, cmsg); break; case CAPI_RESET_B3_CONF: /* ncci */ goto ignored; /* $$$$ */ case CAPI_FACILITY_IND: /* Controller/plci/ncci */ goto ignored; case CAPI_FACILITY_CONF: /* Controller/plci/ncci */ goto ignored; default: printk(KERN_ERR "capidrv-%d: got %s for ncci 0x%x ???", card->contrnr, capi_cmd2str(cmsg->Command, cmsg->Subcommand), cmsg->adr.adrNCCI); } return; ignored: printk(KERN_INFO "capidrv-%d: %s for ncci 0x%x ignored\n", card->contrnr, capi_cmd2str(cmsg->Command, cmsg->Subcommand), cmsg->adr.adrNCCI); return; notfound: printk(KERN_ERR "capidrv-%d: %s: ncci 0x%x not found\n", card->contrnr, capi_cmd2str(cmsg->Command, cmsg->Subcommand), cmsg->adr.adrNCCI); } static void handle_data(_cmsg *cmsg, struct sk_buff *skb) { capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f); capidrv_ncci *nccip; if (!card) { printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n", capi_cmd2str(cmsg->Command, cmsg->Subcommand), cmsg->adr.adrController & 0x7f); kfree_skb(skb); return; } if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) { printk(KERN_ERR "capidrv-%d: %s: ncci 0x%x not found\n", card->contrnr, capi_cmd2str(cmsg->Command, cmsg->Subcommand), cmsg->adr.adrNCCI); kfree_skb(skb); return; } (void) skb_pull(skb, CAPIMSG_LEN(skb->data)); card->interface.rcvcallb_skb(card->myid, nccip->chan, skb); capi_cmsg_answer(cmsg); send_message(card, cmsg); } static _cmsg s_cmsg; static void capidrv_recv_message(struct capi20_appl *ap, struct sk_buff *skb) { if (capi_message2cmsg(&s_cmsg, skb->data)) { printk(KERN_ERR "capidrv: applid=%d: received invalid message\n", ap->applid); kfree_skb(skb); return; } if (debugmode > 3) { _cdebbuf *cdb = capi_cmsg2str(&s_cmsg); if (cdb) { printk(KERN_DEBUG "%s: applid=%d %s\n", __func__, ap->applid, cdb->buf); cdebbuf_free(cdb); } else printk(KERN_DEBUG "%s: applid=%d %s not traced\n", __func__, ap->applid, capi_cmd2str(s_cmsg.Command, s_cmsg.Subcommand)); } if (s_cmsg.Command == CAPI_DATA_B3 && s_cmsg.Subcommand == CAPI_IND) { handle_data(&s_cmsg, skb); return; } if ((s_cmsg.adr.adrController & 0xffffff00) == 0) handle_controller(&s_cmsg); else if ((s_cmsg.adr.adrPLCI & 0xffff0000) == 0) handle_plci(&s_cmsg); else handle_ncci(&s_cmsg); /* * data of skb used in s_cmsg, * free data when s_cmsg is not used again * thanks to Lars Heete <hel@admin.de> */ kfree_skb(skb); } /* ------------------------------------------------------------------- */ #define PUTBYTE_TO_STATUS(card, byte) \ do { \ *(card)->q931_write++ = (byte); \ if ((card)->q931_write > (card)->q931_end) \ (card)->q931_write = (card)->q931_buf; \ } while (0) static void handle_dtrace_data(capidrv_contr *card, int send, int level2, u8 *data, u16 len) { u8 *p, *end; isdn_ctrl cmd; if (!len) { printk(KERN_DEBUG "capidrv-%d: avmb1_q931_data: len == %d\n", card->contrnr, len); return; } if (level2) { PUTBYTE_TO_STATUS(card, 'D'); PUTBYTE_TO_STATUS(card, '2'); PUTBYTE_TO_STATUS(card, send ? '>' : '<'); PUTBYTE_TO_STATUS(card, ':'); } else { PUTBYTE_TO_STATUS(card, 'D'); PUTBYTE_TO_STATUS(card, '3'); PUTBYTE_TO_STATUS(card, send ? '>' : '<'); PUTBYTE_TO_STATUS(card, ':'); } for (p = data, end = data + len; p < end; p++) { PUTBYTE_TO_STATUS(card, ' '); PUTBYTE_TO_STATUS(card, hex_asc_hi(*p)); PUTBYTE_TO_STATUS(card, hex_asc_lo(*p)); } PUTBYTE_TO_STATUS(card, '\n'); cmd.command = ISDN_STAT_STAVAIL; cmd.driver = card->myid; cmd.arg = len * 3 + 5; card->interface.statcallb(&cmd); } /* ------------------------------------------------------------------- */ static _cmsg cmdcmsg; static int capidrv_ioctl(isdn_ctrl *c, capidrv_contr *card) { switch (c->arg) { case 1: debugmode = (int)(*((unsigned int *)c->parm.num)); printk(KERN_DEBUG "capidrv-%d: debugmode=%d\n", card->contrnr, debugmode); return 0; default: printk(KERN_DEBUG "capidrv-%d: capidrv_ioctl(%ld) called ??\n", card->contrnr, c->arg); return -EINVAL; } return -EINVAL; } /* * Handle leased lines (CAPI-Bundling) */ struct internal_bchannelinfo { unsigned short channelalloc; unsigned short operation; unsigned char cmask[31]; }; static int decodeFVteln(char *teln, unsigned long *bmaskp, int *activep) { unsigned long bmask = 0; int active = !0; char *s; int i; if (strncmp(teln, "FV:", 3) != 0) return 1; s = teln + 3; while (*s && *s == ' ') s++; if (!*s) return -2; if (*s == 'p' || *s == 'P') { active = 0; s++; } if (*s == 'a' || *s == 'A') { active = !0; s++; } while (*s) { int digit1 = 0; int digit2 = 0; char *endp; digit1 = simple_strtoul(s, &endp, 10); if (s == endp) return -3; s = endp; if (digit1 <= 0 || digit1 > 30) return -4; if (*s == 0 || *s == ',' || *s == ' ') { bmask |= (1 << digit1); digit1 = 0; if (*s) s++; continue; } if (*s != '-') return -5; s++; digit2 = simple_strtoul(s, &endp, 10); if (s == endp) return -3; s = endp; if (digit2 <= 0 || digit2 > 30) return -4; if (*s == 0 || *s == ',' || *s == ' ') { if (digit1 > digit2) for (i = digit2; i <= digit1; i++) bmask |= (1 << i); else for (i = digit1; i <= digit2; i++) bmask |= (1 << i); digit1 = digit2 = 0; if (*s) s++; continue; } return -6; } if (activep) *activep = active; if (bmaskp) *bmaskp = bmask; return 0; } static int FVteln2capi20(char *teln, u8 AdditionalInfo[1 + 2 + 2 + 31]) { unsigned long bmask; int active; int rc, i; rc = decodeFVteln(teln, &bmask, &active); if (rc) return rc; /* Length */ AdditionalInfo[0] = 2 + 2 + 31; /* Channel: 3 => use channel allocation */ AdditionalInfo[1] = 3; AdditionalInfo[2] = 0; /* Operation: 0 => DTE mode, 1 => DCE mode */ if (active) { AdditionalInfo[3] = 0; AdditionalInfo[4] = 0; } else { AdditionalInfo[3] = 1; AdditionalInfo[4] = 0; } /* Channel mask array */ AdditionalInfo[5] = 0; /* no D-Channel */ for (i = 1; i <= 30; i++) AdditionalInfo[5 + i] = (bmask & (1 << i)) ? 0xff : 0; return 0; } static int capidrv_command(isdn_ctrl *c, capidrv_contr *card) { isdn_ctrl cmd; struct capidrv_bchan *bchan; struct capidrv_plci *plcip; u8 AdditionalInfo[1 + 2 + 2 + 31]; int rc, isleasedline = 0; if (c->command == ISDN_CMD_IOCTL) return capidrv_ioctl(c, card); switch (c->command) { case ISDN_CMD_DIAL: { u8 calling[ISDN_MSNLEN + 3]; u8 called[ISDN_MSNLEN + 2]; if (debugmode) printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_DIAL(ch=%ld,\"%s,%d,%d,%s\")\n", card->contrnr, c->arg, c->parm.setup.phone, c->parm.setup.si1, c->parm.setup.si2, c->parm.setup.eazmsn); bchan = &card->bchans[c->arg % card->nbchan]; if (bchan->plcip) { printk(KERN_ERR "capidrv-%d: dail ch=%ld,\"%s,%d,%d,%s\" in use (plci=0x%x)\n", card->contrnr, c->arg, c->parm.setup.phone, c->parm.setup.si1, c->parm.setup.si2, c->parm.setup.eazmsn, bchan->plcip->plci); return 0; } bchan->si1 = c->parm.setup.si1; bchan->si2 = c->parm.setup.si2; strncpy(bchan->num, c->parm.setup.phone, sizeof(bchan->num)); strncpy(bchan->mynum, c->parm.setup.eazmsn, sizeof(bchan->mynum)); rc = FVteln2capi20(bchan->num, AdditionalInfo); isleasedline = (rc == 0); if (rc < 0) printk(KERN_ERR "capidrv-%d: WARNING: invalid leased linedefinition \"%s\"\n", card->contrnr, bchan->num); if (isleasedline) { calling[0] = 0; called[0] = 0; if (debugmode) printk(KERN_DEBUG "capidrv-%d: connecting leased line\n", card->contrnr); } else { calling[0] = strlen(bchan->mynum) + 2; calling[1] = 0; calling[2] = 0x80; strncpy(calling + 3, bchan->mynum, ISDN_MSNLEN); called[0] = strlen(bchan->num) + 1; called[1] = 0x80; strncpy(called + 2, bchan->num, ISDN_MSNLEN); } capi_fill_CONNECT_REQ(&cmdcmsg, global.ap.applid, card->msgid++, card->contrnr, /* adr */ si2cip(bchan->si1, bchan->si2), /* cipvalue */ called, /* CalledPartyNumber */ calling, /* CallingPartyNumber */ NULL, /* CalledPartySubaddress */ NULL, /* CallingPartySubaddress */ b1prot(bchan->l2, bchan->l3), /* B1protocol */ b2prot(bchan->l2, bchan->l3), /* B2protocol */ b3prot(bchan->l2, bchan->l3), /* B3protocol */ b1config(bchan->l2, bchan->l3), /* B1configuration */ NULL, /* B2configuration */ NULL, /* B3configuration */ NULL, /* BC */ NULL, /* LLC */ NULL, /* HLC */ /* BChannelinformation */ isleasedline ? AdditionalInfo : NULL, NULL, /* Keypadfacility */ NULL, /* Useruserdata */ NULL /* Facilitydataarray */ ); if ((plcip = new_plci(card, (c->arg % card->nbchan))) == NULL) { cmd.command = ISDN_STAT_DHUP; cmd.driver = card->myid; cmd.arg = (c->arg % card->nbchan); card->interface.statcallb(&cmd); return -1; } plcip->msgid = cmdcmsg.Messagenumber; plcip->leasedline = isleasedline; plci_change_state(card, plcip, EV_PLCI_CONNECT_REQ); send_message(card, &cmdcmsg); return 0; } case ISDN_CMD_ACCEPTD: bchan = &card->bchans[c->arg % card->nbchan]; if (debugmode) printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_ACCEPTD(ch=%ld) l2=%d l3=%d\n", card->contrnr, c->arg, bchan->l2, bchan->l3); capi_fill_CONNECT_RESP(&cmdcmsg, global.ap.applid, card->msgid++, bchan->plcip->plci, /* adr */ 0, /* Reject */ b1prot(bchan->l2, bchan->l3), /* B1protocol */ b2prot(bchan->l2, bchan->l3), /* B2protocol */ b3prot(bchan->l2, bchan->l3), /* B3protocol */ b1config(bchan->l2, bchan->l3), /* B1configuration */ NULL, /* B2configuration */ NULL, /* B3configuration */ NULL, /* ConnectedNumber */ NULL, /* ConnectedSubaddress */ NULL, /* LLC */ NULL, /* BChannelinformation */ NULL, /* Keypadfacility */ NULL, /* Useruserdata */ NULL /* Facilitydataarray */ ); if (capi_cmsg2message(&cmdcmsg, cmdcmsg.buf)) { printk(KERN_ERR "capidrv-%d: capidrv_command: parser failure\n", card->contrnr); return -EINVAL; } plci_change_state(card, bchan->plcip, EV_PLCI_CONNECT_RESP); send_message(card, &cmdcmsg); return 0; case ISDN_CMD_ACCEPTB: if (debugmode) printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_ACCEPTB(ch=%ld)\n", card->contrnr, c->arg); return -ENOSYS; case ISDN_CMD_HANGUP: if (debugmode) printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_HANGUP(ch=%ld)\n", card->contrnr, c->arg); bchan = &card->bchans[c->arg % card->nbchan]; if (bchan->disconnecting) { if (debugmode) printk(KERN_DEBUG "capidrv-%d: chan %ld already disconnecting ...\n", card->contrnr, c->arg); return 0; } if (bchan->nccip) { bchan->disconnecting = 1; capi_fill_DISCONNECT_B3_REQ(&cmdcmsg, global.ap.applid, card->msgid++, bchan->nccip->ncci, NULL /* NCPI */ ); ncci_change_state(card, bchan->nccip, EV_NCCI_DISCONNECT_B3_REQ); send_message(card, &cmdcmsg); return 0; } else if (bchan->plcip) { if (bchan->plcip->state == ST_PLCI_INCOMING) { /* * just ignore, we a called from * isdn_status_callback(), * which will return 0 or 2, this is handled * by the CONNECT_IND handler */ bchan->disconnecting = 1; return 0; } else if (bchan->plcip->plci) { bchan->disconnecting = 1; capi_fill_DISCONNECT_REQ(&cmdcmsg, global.ap.applid, card->msgid++, bchan->plcip->plci, NULL, /* BChannelinformation */ NULL, /* Keypadfacility */ NULL, /* Useruserdata */ NULL /* Facilitydataarray */ ); plci_change_state(card, bchan->plcip, EV_PLCI_DISCONNECT_REQ); send_message(card, &cmdcmsg); return 0; } else { printk(KERN_ERR "capidrv-%d: chan %ld disconnect request while waiting for CONNECT_CONF\n", card->contrnr, c->arg); return -EINVAL; } } printk(KERN_ERR "capidrv-%d: chan %ld disconnect request on free channel\n", card->contrnr, c->arg); return -EINVAL; /* ready */ case ISDN_CMD_SETL2: if (debugmode) printk(KERN_DEBUG "capidrv-%d: set L2 on chan %ld to %ld\n", card->contrnr, (c->arg & 0xff), (c->arg >> 8)); bchan = &card->bchans[(c->arg & 0xff) % card->nbchan]; bchan->l2 = (c->arg >> 8); return 0; case ISDN_CMD_SETL3: if (debugmode) printk(KERN_DEBUG "capidrv-%d: set L3 on chan %ld to %ld\n", card->contrnr, (c->arg & 0xff), (c->arg >> 8)); bchan = &card->bchans[(c->arg & 0xff) % card->nbchan]; bchan->l3 = (c->arg >> 8); return 0; case ISDN_CMD_SETEAZ: if (debugmode) printk(KERN_DEBUG "capidrv-%d: set EAZ \"%s\" on chan %ld\n", card->contrnr, c->parm.num, c->arg); bchan = &card->bchans[c->arg % card->nbchan]; strncpy(bchan->msn, c->parm.num, ISDN_MSNLEN); return 0; case ISDN_CMD_CLREAZ: if (debugmode) printk(KERN_DEBUG "capidrv-%d: clearing EAZ on chan %ld\n", card->contrnr, c->arg); bchan = &card->bchans[c->arg % card->nbchan]; bchan->msn[0] = 0; return 0; default: printk(KERN_ERR "capidrv-%d: ISDN_CMD_%d, Huh?\n", card->contrnr, c->command); return -EINVAL; } return 0; } static int if_command(isdn_ctrl *c) { capidrv_contr *card = findcontrbydriverid(c->driver); if (card) return capidrv_command(c, card); printk(KERN_ERR "capidrv: if_command %d called with invalid driverId %d!\n", c->command, c->driver); return -ENODEV; } static _cmsg sendcmsg; static int if_sendbuf(int id, int channel, int doack, struct sk_buff *skb) { capidrv_contr *card = findcontrbydriverid(id); capidrv_bchan *bchan; capidrv_ncci *nccip; int len = skb->len; int msglen; u16 errcode; u16 datahandle; u32 data; if (!card) { printk(KERN_ERR "capidrv: if_sendbuf called with invalid driverId %d!\n", id); return 0; } if (debugmode > 4) printk(KERN_DEBUG "capidrv-%d: sendbuf len=%d skb=%p doack=%d\n", card->contrnr, len, skb, doack); bchan = &card->bchans[channel % card->nbchan]; nccip = bchan->nccip; if (!nccip || nccip->state != ST_NCCI_ACTIVE) { printk(KERN_ERR "capidrv-%d: if_sendbuf: %s:%d: chan not up!\n", card->contrnr, card->name, channel); return 0; } datahandle = nccip->datahandle; /* * Here we copy pointer skb->data into the 32-bit 'Data' field. * The 'Data' field is not used in practice in linux kernel * (neither in 32 or 64 bit), but should have some value, * since a CAPI message trace will display it. * * The correct value in the 32 bit case is the address of the * data, in 64 bit it makes no sense, we use 0 there. */ #ifdef CONFIG_64BIT data = 0; #else data = (unsigned long) skb->data; #endif capi_fill_DATA_B3_REQ(&sendcmsg, global.ap.applid, card->msgid++, nccip->ncci, /* adr */ data, /* Data */ skb->len, /* DataLength */ datahandle, /* DataHandle */ 0 /* Flags */ ); if (capidrv_add_ack(nccip, datahandle, doack ? (int)skb->len : -1) < 0) return 0; if (capi_cmsg2message(&sendcmsg, sendcmsg.buf)) { printk(KERN_ERR "capidrv-%d: if_sendbuf: parser failure\n", card->contrnr); return -EINVAL; } msglen = CAPIMSG_LEN(sendcmsg.buf); if (skb_headroom(skb) < msglen) { struct sk_buff *nskb = skb_realloc_headroom(skb, msglen); if (!nskb) { printk(KERN_ERR "capidrv-%d: if_sendbuf: no memory\n", card->contrnr); (void)capidrv_del_ack(nccip, datahandle); return 0; } printk(KERN_DEBUG "capidrv-%d: only %d bytes headroom, need %d\n", card->contrnr, skb_headroom(skb), msglen); memcpy(skb_push(nskb, msglen), sendcmsg.buf, msglen); errcode = capi20_put_message(&global.ap, nskb); if (errcode == CAPI_NOERROR) { dev_kfree_skb(skb); nccip->datahandle++; return len; } if (debugmode > 3) printk(KERN_DEBUG "capidrv-%d: sendbuf putmsg ret(%x) - %s\n", card->contrnr, errcode, capi_info2str(errcode)); (void)capidrv_del_ack(nccip, datahandle); dev_kfree_skb(nskb); return errcode == CAPI_SENDQUEUEFULL ? 0 : -1; } else { memcpy(skb_push(skb, msglen), sendcmsg.buf, msglen); errcode = capi20_put_message(&global.ap, skb); if (errcode == CAPI_NOERROR) { nccip->datahandle++; return len; } if (debugmode > 3) printk(KERN_DEBUG "capidrv-%d: sendbuf putmsg ret(%x) - %s\n", card->contrnr, errcode, capi_info2str(errcode)); skb_pull(skb, msglen); (void)capidrv_del_ack(nccip, datahandle); return errcode == CAPI_SENDQUEUEFULL ? 0 : -1; } } static int if_readstat(u8 __user *buf, int len, int id, int channel) { capidrv_contr *card = findcontrbydriverid(id); int count; u8 __user *p; if (!card) { printk(KERN_ERR "capidrv: if_readstat called with invalid driverId %d!\n", id); return -ENODEV; } for (p = buf, count = 0; count < len; p++, count++) { if (put_user(*card->q931_read++, p)) return -EFAULT; if (card->q931_read > card->q931_end) card->q931_read = card->q931_buf; } return count; } static void enable_dchannel_trace(capidrv_contr *card) { u8 manufacturer[CAPI_MANUFACTURER_LEN]; capi_version version; u16 contr = card->contrnr; u16 errcode; u16 avmversion[3]; errcode = capi20_get_manufacturer(contr, manufacturer); if (errcode != CAPI_NOERROR) { printk(KERN_ERR "%s: can't get manufacturer (0x%x)\n", card->name, errcode); return; } if (strstr(manufacturer, "AVM") == NULL) { printk(KERN_ERR "%s: not from AVM, no d-channel trace possible (%s)\n", card->name, manufacturer); return; } errcode = capi20_get_version(contr, &version); if (errcode != CAPI_NOERROR) { printk(KERN_ERR "%s: can't get version (0x%x)\n", card->name, errcode); return; } avmversion[0] = (version.majormanuversion >> 4) & 0x0f; avmversion[1] = (version.majormanuversion << 4) & 0xf0; avmversion[1] |= (version.minormanuversion >> 4) & 0x0f; avmversion[2] |= version.minormanuversion & 0x0f; if (avmversion[0] > 3 || (avmversion[0] == 3 && avmversion[1] > 5)) { printk(KERN_INFO "%s: D2 trace enabled\n", card->name); capi_fill_MANUFACTURER_REQ(&cmdcmsg, global.ap.applid, card->msgid++, contr, 0x214D5641, /* ManuID */ 0, /* Class */ 1, /* Function */ (_cstruct)"\004\200\014\000\000"); } else { printk(KERN_INFO "%s: D3 trace enabled\n", card->name); capi_fill_MANUFACTURER_REQ(&cmdcmsg, global.ap.applid, card->msgid++, contr, 0x214D5641, /* ManuID */ 0, /* Class */ 1, /* Function */ (_cstruct)"\004\002\003\000\000"); } send_message(card, &cmdcmsg); } static void send_listen(capidrv_contr *card) { capi_fill_LISTEN_REQ(&cmdcmsg, global.ap.applid, card->msgid++, card->contrnr, /* controller */ 1 << 6, /* Infomask */ card->cipmask, card->cipmask2, NULL, NULL); listen_change_state(card, EV_LISTEN_REQ); send_message(card, &cmdcmsg); } static void listentimerfunc(struct timer_list *t) { capidrv_contr *card = from_timer(card, t, listentimer); if (card->state != ST_LISTEN_NONE && card->state != ST_LISTEN_ACTIVE) printk(KERN_ERR "%s: controller dead ??\n", card->name); send_listen(card); mod_timer(&card->listentimer, jiffies + 60 * HZ); } static int capidrv_addcontr(u16 contr, struct capi_profile *profp) { capidrv_contr *card; unsigned long flags; isdn_ctrl cmd; char id[20]; int i; sprintf(id, "capidrv-%d", contr); if (!try_module_get(THIS_MODULE)) { printk(KERN_WARNING "capidrv: (%s) Could not reserve module\n", id); return -1; } if (!(card = kzalloc(sizeof(capidrv_contr), GFP_ATOMIC))) { printk(KERN_WARNING "capidrv: (%s) Could not allocate contr-struct.\n", id); return -1; } card->owner = THIS_MODULE; timer_setup(&card->listentimer, listentimerfunc, 0); strcpy(card->name, id); card->contrnr = contr; card->nbchan = profp->nbchannel; card->bchans = kmalloc_array(card->nbchan, sizeof(capidrv_bchan), GFP_ATOMIC); if (!card->bchans) { printk(KERN_WARNING "capidrv: (%s) Could not allocate bchan-structs.\n", id); module_put(card->owner); kfree(card); return -1; } card->interface.channels = profp->nbchannel; card->interface.maxbufsize = 2048; card->interface.command = if_command; card->interface.writebuf_skb = if_sendbuf; card->interface.writecmd = NULL; card->interface.readstat = if_readstat; card->interface.features = ISDN_FEATURE_L2_HDLC | ISDN_FEATURE_L2_TRANS | ISDN_FEATURE_L3_TRANS | ISDN_FEATURE_P_UNKNOWN | ISDN_FEATURE_L2_X75I | ISDN_FEATURE_L2_X75UI | ISDN_FEATURE_L2_X75BUI; if (profp->support1 & (1 << 2)) card->interface.features |= ISDN_FEATURE_L2_V11096 | ISDN_FEATURE_L2_V11019 | ISDN_FEATURE_L2_V11038; if (profp->support1 & (1 << 8)) card->interface.features |= ISDN_FEATURE_L2_MODEM; card->interface.hl_hdrlen = 22; /* len of DATA_B3_REQ */ strncpy(card->interface.id, id, sizeof(card->interface.id) - 1); card->q931_read = card->q931_buf; card->q931_write = card->q931_buf; card->q931_end = card->q931_buf + sizeof(card->q931_buf) - 1; if (!register_isdn(&card->interface)) { printk(KERN_ERR "capidrv: Unable to register contr %s\n", id); kfree(card->bchans); module_put(card->owner); kfree(card); return -1; } card->myid = card->interface.channels; memset(card->bchans, 0, sizeof(capidrv_bchan) * card->nbchan); for (i = 0; i < card->nbchan; i++) { card->bchans[i].contr = card; } spin_lock_irqsave(&global_lock, flags); card->next = global.contr_list; global.contr_list = card; global.ncontr++; spin_unlock_irqrestore(&global_lock, flags); cmd.command = ISDN_STAT_RUN; cmd.driver = card->myid; card->interface.statcallb(&cmd); card->cipmask = 0x1FFF03FF; /* any */ card->cipmask2 = 0; send_listen(card); mod_timer(&card->listentimer, jiffies + 60 * HZ); printk(KERN_INFO "%s: now up (%d B channels)\n", card->name, card->nbchan); enable_dchannel_trace(card); return 0; } static int capidrv_delcontr(u16 contr) { capidrv_contr **pp, *card; unsigned long flags; isdn_ctrl cmd; spin_lock_irqsave(&global_lock, flags); for (card = global.contr_list; card; card = card->next) { if (card->contrnr == contr) break; } if (!card) { spin_unlock_irqrestore(&global_lock, flags); printk(KERN_ERR "capidrv: delcontr: no contr %u\n", contr); return -1; } /* FIXME: maybe a race condition the card should be removed * here from global list /kkeil */ spin_unlock_irqrestore(&global_lock, flags); del_timer(&card->listentimer); if (debugmode) printk(KERN_DEBUG "capidrv-%d: id=%d unloading\n", card->contrnr, card->myid); cmd.command = ISDN_STAT_STOP; cmd.driver = card->myid; card->interface.statcallb(&cmd); while (card->nbchan) { cmd.command = ISDN_STAT_DISCH; cmd.driver = card->myid; cmd.arg = card->nbchan - 1; cmd.parm.num[0] = 0; if (debugmode) printk(KERN_DEBUG "capidrv-%d: id=%d disable chan=%ld\n", card->contrnr, card->myid, cmd.arg); card->interface.statcallb(&cmd); if (card->bchans[card->nbchan - 1].nccip) free_ncci(card, card->bchans[card->nbchan - 1].nccip); if (card->bchans[card->nbchan - 1].plcip) free_plci(card, card->bchans[card->nbchan - 1].plcip); if (card->plci_list) printk(KERN_ERR "capidrv: bug in free_plci()\n"); card->nbchan--; } kfree(card->bchans); card->bchans = NULL; if (debugmode) printk(KERN_DEBUG "capidrv-%d: id=%d isdn unload\n", card->contrnr, card->myid); cmd.command = ISDN_STAT_UNLOAD; cmd.driver = card->myid; card->interface.statcallb(&cmd); if (debugmode) printk(KERN_DEBUG "capidrv-%d: id=%d remove contr from list\n", card->contrnr, card->myid); spin_lock_irqsave(&global_lock, flags); for (pp = &global.contr_list; *pp; pp = &(*pp)->next) { if (*pp == card) { *pp = (*pp)->next; card->next = NULL; global.ncontr--; break; } } spin_unlock_irqrestore(&global_lock, flags); module_put(card->owner); printk(KERN_INFO "%s: now down.\n", card->name); kfree(card); return 0; } static int lower_callback(struct notifier_block *nb, unsigned long val, void *v) { capi_profile profile; u32 contr = (long)v; switch (val) { case CAPICTR_UP: printk(KERN_INFO "capidrv: controller %hu up\n", contr); if (capi20_get_profile(contr, &profile) == CAPI_NOERROR) (void) capidrv_addcontr(contr, &profile); break; case CAPICTR_DOWN: printk(KERN_INFO "capidrv: controller %hu down\n", contr); (void) capidrv_delcontr(contr); break; } return NOTIFY_OK; } /* * /proc/capi/capidrv: * nrecvctlpkt nrecvdatapkt nsendctlpkt nsenddatapkt */ static int __maybe_unused capidrv_proc_show(struct seq_file *m, void *v) { seq_printf(m, "%lu %lu %lu %lu\n", global.ap.nrecvctlpkt, global.ap.nrecvdatapkt, global.ap.nsentctlpkt, global.ap.nsentdatapkt); return 0; } static void __init proc_init(void) { proc_create_single("capi/capidrv", 0, NULL, capidrv_proc_show); } static void __exit proc_exit(void) { remove_proc_entry("capi/capidrv", NULL); } static struct notifier_block capictr_nb = { .notifier_call = lower_callback, }; static int __init capidrv_init(void) { capi_profile profile; u32 ncontr, contr; u16 errcode; global.ap.rparam.level3cnt = -2; /* number of bchannels twice */ global.ap.rparam.datablkcnt = 16; global.ap.rparam.datablklen = 2048; global.ap.recv_message = capidrv_recv_message; errcode = capi20_register(&global.ap); if (errcode) { return -EIO; } register_capictr_notifier(&capictr_nb); errcode = capi20_get_profile(0, &profile); if (errcode != CAPI_NOERROR) { unregister_capictr_notifier(&capictr_nb); capi20_release(&global.ap); return -EIO; } ncontr = profile.ncontroller; for (contr = 1; contr <= ncontr; contr++) { errcode = capi20_get_profile(contr, &profile); if (errcode != CAPI_NOERROR) continue; (void) capidrv_addcontr(contr, &profile); } proc_init(); return 0; } static void __exit capidrv_exit(void) { unregister_capictr_notifier(&capictr_nb); capi20_release(&global.ap); proc_exit(); } module_init(capidrv_init); module_exit(capidrv_exit);
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