![Tilman Schmidt](/assets/img/avatar_default.png)
Have callers of capi_cmsg2message and capi_message2cmsg handle non-zero return values indicating failure. Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2539 lines
70 KiB
C
2539 lines
70 KiB
C
/* $Id: capidrv.c,v 1.1.2.2 2004/01/12 23:17:24 keil Exp $
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*
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* ISDN4Linux Driver, using capi20 interface (kernelcapi)
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*
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* Copyright 1997 by Carsten Paeth <calle@calle.de>
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*
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* This software may be used and distributed according to the terms
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* of the GNU General Public License, incorporated herein by reference.
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*
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*/
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#include <linux/module.h>
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#include <linux/errno.h>
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#include <linux/kernel.h>
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#include <linux/major.h>
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#include <linux/slab.h>
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#include <linux/fcntl.h>
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#include <linux/fs.h>
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#include <linux/signal.h>
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#include <linux/mm.h>
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#include <linux/timer.h>
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#include <linux/wait.h>
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#include <linux/skbuff.h>
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#include <linux/isdn.h>
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#include <linux/isdnif.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#include <linux/capi.h>
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#include <linux/kernelcapi.h>
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#include <linux/ctype.h>
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#include <linux/init.h>
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#include <linux/moduleparam.h>
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#include <linux/isdn/capiutil.h>
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#include <linux/isdn/capicmd.h>
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#include "capidrv.h"
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static int debugmode = 0;
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MODULE_DESCRIPTION("CAPI4Linux: Interface to ISDN4Linux");
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MODULE_AUTHOR("Carsten Paeth");
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MODULE_LICENSE("GPL");
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module_param(debugmode, uint, S_IRUGO | S_IWUSR);
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/* -------- type definitions ----------------------------------------- */
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struct capidrv_contr {
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struct capidrv_contr *next;
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struct module *owner;
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u32 contrnr;
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char name[20];
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/*
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* for isdn4linux
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*/
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isdn_if interface;
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int myid;
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/*
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* LISTEN state
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*/
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int state;
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u32 cipmask;
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u32 cipmask2;
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struct timer_list listentimer;
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/*
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* ID of capi message sent
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*/
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u16 msgid;
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/*
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* B-Channels
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*/
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int nbchan;
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struct capidrv_bchan {
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struct capidrv_contr *contr;
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u8 msn[ISDN_MSNLEN];
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int l2;
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int l3;
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u8 num[ISDN_MSNLEN];
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u8 mynum[ISDN_MSNLEN];
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int si1;
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int si2;
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int incoming;
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int disconnecting;
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struct capidrv_plci {
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struct capidrv_plci *next;
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u32 plci;
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u32 ncci; /* ncci for CONNECT_ACTIVE_IND */
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u16 msgid; /* to identfy CONNECT_CONF */
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int chan;
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int state;
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int leasedline;
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struct capidrv_ncci {
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struct capidrv_ncci *next;
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struct capidrv_plci *plcip;
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u32 ncci;
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u16 msgid; /* to identfy CONNECT_B3_CONF */
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int chan;
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int state;
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int oldstate;
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/* */
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u16 datahandle;
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struct ncci_datahandle_queue {
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struct ncci_datahandle_queue *next;
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u16 datahandle;
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int len;
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} *ackqueue;
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} *ncci_list;
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} *plcip;
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struct capidrv_ncci *nccip;
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} *bchans;
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struct capidrv_plci *plci_list;
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/* for q931 data */
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u8 q931_buf[4096];
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u8 *q931_read;
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u8 *q931_write;
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u8 *q931_end;
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};
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struct capidrv_data {
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struct capi20_appl ap;
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int ncontr;
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struct capidrv_contr *contr_list;
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};
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typedef struct capidrv_plci capidrv_plci;
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typedef struct capidrv_ncci capidrv_ncci;
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typedef struct capidrv_contr capidrv_contr;
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typedef struct capidrv_data capidrv_data;
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typedef struct capidrv_bchan capidrv_bchan;
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/* -------- data definitions ----------------------------------------- */
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static capidrv_data global;
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static DEFINE_SPINLOCK(global_lock);
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static void handle_dtrace_data(capidrv_contr *card,
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int send, int level2, u8 *data, u16 len);
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/* -------- convert functions ---------------------------------------- */
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static inline u32 b1prot(int l2, int l3)
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{
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switch (l2) {
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case ISDN_PROTO_L2_X75I:
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case ISDN_PROTO_L2_X75UI:
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case ISDN_PROTO_L2_X75BUI:
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return 0;
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case ISDN_PROTO_L2_HDLC:
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default:
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return 0;
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case ISDN_PROTO_L2_TRANS:
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return 1;
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case ISDN_PROTO_L2_V11096:
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case ISDN_PROTO_L2_V11019:
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case ISDN_PROTO_L2_V11038:
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return 2;
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case ISDN_PROTO_L2_FAX:
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return 4;
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case ISDN_PROTO_L2_MODEM:
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return 8;
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}
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}
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static inline u32 b2prot(int l2, int l3)
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{
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switch (l2) {
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case ISDN_PROTO_L2_X75I:
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case ISDN_PROTO_L2_X75UI:
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case ISDN_PROTO_L2_X75BUI:
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default:
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return 0;
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case ISDN_PROTO_L2_HDLC:
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case ISDN_PROTO_L2_TRANS:
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case ISDN_PROTO_L2_V11096:
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case ISDN_PROTO_L2_V11019:
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case ISDN_PROTO_L2_V11038:
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case ISDN_PROTO_L2_MODEM:
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return 1;
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case ISDN_PROTO_L2_FAX:
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return 4;
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}
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}
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static inline u32 b3prot(int l2, int l3)
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{
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switch (l2) {
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case ISDN_PROTO_L2_X75I:
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case ISDN_PROTO_L2_X75UI:
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case ISDN_PROTO_L2_X75BUI:
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case ISDN_PROTO_L2_HDLC:
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case ISDN_PROTO_L2_TRANS:
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case ISDN_PROTO_L2_V11096:
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case ISDN_PROTO_L2_V11019:
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case ISDN_PROTO_L2_V11038:
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case ISDN_PROTO_L2_MODEM:
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default:
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return 0;
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case ISDN_PROTO_L2_FAX:
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return 4;
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}
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}
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static _cstruct b1config_async_v110(u16 rate)
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{
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/* CAPI-Spec "B1 Configuration" */
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static unsigned char buf[9];
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buf[0] = 8; /* len */
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/* maximum bitrate */
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buf[1] = rate & 0xff; buf[2] = (rate >> 8) & 0xff;
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buf[3] = 8; buf[4] = 0; /* 8 bits per character */
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buf[5] = 0; buf[6] = 0; /* parity none */
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buf[7] = 0; buf[8] = 0; /* 1 stop bit */
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return buf;
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}
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static _cstruct b1config(int l2, int l3)
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{
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switch (l2) {
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case ISDN_PROTO_L2_X75I:
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case ISDN_PROTO_L2_X75UI:
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case ISDN_PROTO_L2_X75BUI:
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case ISDN_PROTO_L2_HDLC:
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case ISDN_PROTO_L2_TRANS:
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default:
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return NULL;
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case ISDN_PROTO_L2_V11096:
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return b1config_async_v110(9600);
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case ISDN_PROTO_L2_V11019:
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return b1config_async_v110(19200);
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case ISDN_PROTO_L2_V11038:
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return b1config_async_v110(38400);
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}
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}
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static inline u16 si2cip(u8 si1, u8 si2)
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{
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static const u8 cip[17][5] =
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{
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/* 0 1 2 3 4 */
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{0, 0, 0, 0, 0}, /*0 */
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{16, 16, 4, 26, 16}, /*1 */
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{17, 17, 17, 4, 4}, /*2 */
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{2, 2, 2, 2, 2}, /*3 */
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{18, 18, 18, 18, 18}, /*4 */
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{2, 2, 2, 2, 2}, /*5 */
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{0, 0, 0, 0, 0}, /*6 */
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{2, 2, 2, 2, 2}, /*7 */
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{2, 2, 2, 2, 2}, /*8 */
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{21, 21, 21, 21, 21}, /*9 */
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{19, 19, 19, 19, 19}, /*10 */
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{0, 0, 0, 0, 0}, /*11 */
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{0, 0, 0, 0, 0}, /*12 */
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{0, 0, 0, 0, 0}, /*13 */
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{0, 0, 0, 0, 0}, /*14 */
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{22, 22, 22, 22, 22}, /*15 */
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{27, 27, 27, 28, 27} /*16 */
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};
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if (si1 > 16)
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si1 = 0;
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if (si2 > 4)
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si2 = 0;
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return (u16) cip[si1][si2];
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}
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static inline u8 cip2si1(u16 cipval)
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{
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static const u8 si[32] =
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{7, 1, 7, 7, 1, 1, 7, 7, /*0-7 */
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7, 1, 0, 0, 0, 0, 0, 0, /*8-15 */
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1, 2, 4, 10, 9, 9, 15, 7, /*16-23 */
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7, 7, 1, 16, 16, 0, 0, 0}; /*24-31 */
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if (cipval > 31)
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cipval = 0; /* .... */
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return si[cipval];
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}
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static inline u8 cip2si2(u16 cipval)
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{
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static const u8 si[32] =
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{0, 0, 0, 0, 2, 3, 0, 0, /*0-7 */
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0, 3, 0, 0, 0, 0, 0, 0, /*8-15 */
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1, 2, 0, 0, 9, 0, 0, 0, /*16-23 */
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0, 0, 3, 2, 3, 0, 0, 0}; /*24-31 */
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if (cipval > 31)
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cipval = 0; /* .... */
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return si[cipval];
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}
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/* -------- controller management ------------------------------------- */
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static inline capidrv_contr *findcontrbydriverid(int driverid)
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{
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unsigned long flags;
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capidrv_contr *p;
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spin_lock_irqsave(&global_lock, flags);
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for (p = global.contr_list; p; p = p->next)
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if (p->myid == driverid)
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break;
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spin_unlock_irqrestore(&global_lock, flags);
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return p;
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}
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static capidrv_contr *findcontrbynumber(u32 contr)
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{
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unsigned long flags;
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capidrv_contr *p = global.contr_list;
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spin_lock_irqsave(&global_lock, flags);
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for (p = global.contr_list; p; p = p->next)
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if (p->contrnr == contr)
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break;
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spin_unlock_irqrestore(&global_lock, flags);
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return p;
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}
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/* -------- plci management ------------------------------------------ */
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static capidrv_plci *new_plci(capidrv_contr *card, int chan)
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{
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capidrv_plci *plcip;
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plcip = kzalloc(sizeof(capidrv_plci), GFP_ATOMIC);
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if (plcip == NULL)
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return NULL;
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plcip->state = ST_PLCI_NONE;
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plcip->plci = 0;
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plcip->msgid = 0;
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plcip->chan = chan;
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plcip->next = card->plci_list;
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card->plci_list = plcip;
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card->bchans[chan].plcip = plcip;
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return plcip;
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}
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static capidrv_plci *find_plci_by_plci(capidrv_contr *card, u32 plci)
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{
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capidrv_plci *p;
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for (p = card->plci_list; p; p = p->next)
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if (p->plci == plci)
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return p;
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return NULL;
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}
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static capidrv_plci *find_plci_by_msgid(capidrv_contr *card, u16 msgid)
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{
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capidrv_plci *p;
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for (p = card->plci_list; p; p = p->next)
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if (p->msgid == msgid)
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return p;
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return NULL;
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}
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static capidrv_plci *find_plci_by_ncci(capidrv_contr *card, u32 ncci)
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{
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capidrv_plci *p;
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for (p = card->plci_list; p; p = p->next)
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if (p->plci == (ncci & 0xffff))
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return p;
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return NULL;
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}
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static void free_plci(capidrv_contr *card, capidrv_plci *plcip)
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{
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capidrv_plci **pp;
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for (pp = &card->plci_list; *pp; pp = &(*pp)->next) {
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if (*pp == plcip) {
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*pp = (*pp)->next;
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card->bchans[plcip->chan].plcip = NULL;
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card->bchans[plcip->chan].disconnecting = 0;
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card->bchans[plcip->chan].incoming = 0;
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kfree(plcip);
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return;
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}
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}
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printk(KERN_ERR "capidrv-%d: free_plci %p (0x%x) not found, Huh?\n",
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card->contrnr, plcip, plcip->plci);
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}
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/* -------- ncci management ------------------------------------------ */
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static inline capidrv_ncci *new_ncci(capidrv_contr *card,
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capidrv_plci *plcip,
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u32 ncci)
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{
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capidrv_ncci *nccip;
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nccip = kzalloc(sizeof(capidrv_ncci), GFP_ATOMIC);
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if (nccip == NULL)
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return NULL;
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nccip->ncci = ncci;
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nccip->state = ST_NCCI_NONE;
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nccip->plcip = plcip;
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nccip->chan = plcip->chan;
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nccip->datahandle = 0;
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nccip->next = plcip->ncci_list;
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plcip->ncci_list = nccip;
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card->bchans[plcip->chan].nccip = nccip;
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return nccip;
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}
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static inline capidrv_ncci *find_ncci(capidrv_contr *card, u32 ncci)
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{
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capidrv_plci *plcip;
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capidrv_ncci *p;
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if ((plcip = find_plci_by_ncci(card, ncci)) == NULL)
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return NULL;
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for (p = plcip->ncci_list; p; p = p->next)
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if (p->ncci == ncci)
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return p;
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return NULL;
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}
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static inline capidrv_ncci *find_ncci_by_msgid(capidrv_contr *card,
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u32 ncci, u16 msgid)
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{
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capidrv_plci *plcip;
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capidrv_ncci *p;
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if ((plcip = find_plci_by_ncci(card, ncci)) == NULL)
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return NULL;
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for (p = plcip->ncci_list; p; p = p->next)
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if (p->msgid == msgid)
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return p;
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return NULL;
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}
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static void free_ncci(capidrv_contr *card, struct capidrv_ncci *nccip)
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{
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struct capidrv_ncci **pp;
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for (pp = &(nccip->plcip->ncci_list); *pp; pp = &(*pp)->next) {
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if (*pp == nccip) {
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*pp = (*pp)->next;
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break;
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}
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}
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card->bchans[nccip->chan].nccip = NULL;
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kfree(nccip);
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}
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static int capidrv_add_ack(struct capidrv_ncci *nccip,
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u16 datahandle, int len)
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{
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struct ncci_datahandle_queue *n, **pp;
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n = kmalloc(sizeof(struct ncci_datahandle_queue), GFP_ATOMIC);
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if (!n) {
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printk(KERN_ERR "capidrv: kmalloc ncci_datahandle failed\n");
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return -1;
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}
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n->next = NULL;
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n->datahandle = datahandle;
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n->len = len;
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for (pp = &nccip->ackqueue; *pp; pp = &(*pp)->next);
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*pp = n;
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return 0;
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}
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static int capidrv_del_ack(struct capidrv_ncci *nccip, u16 datahandle)
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{
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struct ncci_datahandle_queue **pp, *p;
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int len;
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for (pp = &nccip->ackqueue; *pp; pp = &(*pp)->next) {
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if ((*pp)->datahandle == datahandle) {
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p = *pp;
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len = p->len;
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*pp = (*pp)->next;
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kfree(p);
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return len;
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}
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}
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return -1;
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}
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/* -------- convert and send capi message ---------------------------- */
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static void send_message(capidrv_contr *card, _cmsg *cmsg)
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{
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struct sk_buff *skb;
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size_t len;
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if (capi_cmsg2message(cmsg, cmsg->buf)) {
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printk(KERN_ERR "capidrv::send_message: parser failure\n");
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return;
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}
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len = CAPIMSG_LEN(cmsg->buf);
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skb = alloc_skb(len, GFP_ATOMIC);
|
|
if (!skb) {
|
|
printk(KERN_ERR "capidrv::send_message: can't allocate mem\n");
|
|
return;
|
|
}
|
|
memcpy(skb_put(skb, len), 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(unsigned long x)
|
|
{
|
|
capidrv_contr *card = (capidrv_contr *)x;
|
|
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;
|
|
init_timer(&card->listentimer);
|
|
strcpy(card->name, id);
|
|
card->contrnr = contr;
|
|
card->nbchan = profp->nbchannel;
|
|
card->bchans = kmalloc(sizeof(capidrv_bchan) * card->nbchan, 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;
|
|
|
|
card->listentimer.data = (unsigned long)card;
|
|
card->listentimer.function = listentimerfunc;
|
|
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 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 int capidrv_proc_open(struct inode *inode, struct file *file)
|
|
{
|
|
return single_open(file, capidrv_proc_show, NULL);
|
|
}
|
|
|
|
static const struct file_operations capidrv_proc_fops = {
|
|
.owner = THIS_MODULE,
|
|
.open = capidrv_proc_open,
|
|
.read = seq_read,
|
|
.llseek = seq_lseek,
|
|
.release = single_release,
|
|
};
|
|
|
|
static void __init proc_init(void)
|
|
{
|
|
proc_create("capi/capidrv", 0, NULL, &capidrv_proc_fops);
|
|
}
|
|
|
|
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);
|