112 lines
3.9 KiB
C
112 lines
3.9 KiB
C
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/* $Id: isdnloop.h,v 1.5.6.3 2001/09/23 22:24:56 kai Exp $
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*
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* Loopback lowlevel module for testing of linklevel.
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*
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* Copyright 1997 by Fritz Elfert (fritz@isdn4linux.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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#ifndef isdnloop_h
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#define isdnloop_h
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#define ISDNLOOP_IOCTL_DEBUGVAR 0
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#define ISDNLOOP_IOCTL_ADDCARD 1
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#define ISDNLOOP_IOCTL_LEASEDCFG 2
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#define ISDNLOOP_IOCTL_STARTUP 3
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/* Struct for adding new cards */
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typedef struct isdnloop_cdef {
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char id1[10];
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} isdnloop_cdef;
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/* Struct for configuring cards */
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typedef struct isdnloop_sdef {
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int ptype;
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char num[3][20];
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} isdnloop_sdef;
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#if defined(__KERNEL__) || defined(__DEBUGVAR__)
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#ifdef __KERNEL__
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/* Kernel includes */
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#include <linux/errno.h>
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#include <linux/fs.h>
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#include <linux/major.h>
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#include <asm/io.h>
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#include <linux/kernel.h>
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#include <linux/signal.h>
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#include <linux/slab.h>
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#include <linux/mm.h>
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#include <linux/mman.h>
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#include <linux/ioport.h>
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#include <linux/timer.h>
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#include <linux/wait.h>
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#include <linux/isdnif.h>
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#endif /* __KERNEL__ */
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#define ISDNLOOP_FLAGS_B1ACTIVE 1 /* B-Channel-1 is open */
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#define ISDNLOOP_FLAGS_B2ACTIVE 2 /* B-Channel-2 is open */
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#define ISDNLOOP_FLAGS_RUNNING 4 /* Cards driver activated */
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#define ISDNLOOP_FLAGS_RBTIMER 8 /* scheduling of B-Channel-poll */
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#define ISDNLOOP_TIMER_BCREAD 1 /* B-Channel poll-cycle */
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#define ISDNLOOP_TIMER_DCREAD (HZ/2) /* D-Channel poll-cycle */
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#define ISDNLOOP_TIMER_ALERTWAIT (10*HZ) /* Alert timeout */
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#define ISDNLOOP_MAX_SQUEUE 65536 /* Max. outstanding send-data */
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#define ISDNLOOP_BCH 2 /* channels per card */
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/*
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* Per card driver data
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*/
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typedef struct isdnloop_card {
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struct isdnloop_card *next; /* Pointer to next device struct */
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struct isdnloop_card
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*rcard[ISDNLOOP_BCH]; /* Pointer to 'remote' card */
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int rch[ISDNLOOP_BCH]; /* 'remote' channel */
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int myid; /* Driver-Nr. assigned by linklevel */
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int leased; /* Flag: This Adapter is connected */
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/* to a leased line */
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int sil[ISDNLOOP_BCH]; /* SI's to listen for */
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char eazlist[ISDNLOOP_BCH][11];
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/* EAZ's to listen for */
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char s0num[3][20]; /* 1TR6 base-number or MSN's */
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unsigned short flags; /* Statusflags */
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int ptype; /* Protocol type (1TR6 or Euro) */
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struct timer_list st_timer; /* Timer for Status-Polls */
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struct timer_list rb_timer; /* Timer for B-Channel-Polls */
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struct timer_list
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c_timer[ISDNLOOP_BCH]; /* Timer for Alerting */
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int l2_proto[ISDNLOOP_BCH]; /* Current layer-2-protocol */
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isdn_if interface; /* Interface to upper layer */
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int iptr; /* Index to imsg-buffer */
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char imsg[60]; /* Internal buf for status-parsing */
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int optr; /* Index to omsg-buffer */
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char omsg[60]; /* Internal buf for cmd-parsing */
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char msg_buf[2048]; /* Buffer for status-messages */
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char *msg_buf_write; /* Writepointer for statusbuffer */
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char *msg_buf_read; /* Readpointer for statusbuffer */
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char *msg_buf_end; /* Pointer to end of statusbuffer */
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int sndcount[ISDNLOOP_BCH]; /* Byte-counters for B-Ch.-send */
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struct sk_buff_head
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bqueue[ISDNLOOP_BCH]; /* B-Channel queues */
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struct sk_buff_head dqueue; /* D-Channel queue */
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} isdnloop_card;
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/*
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* Main driver data
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*/
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#ifdef __KERNEL__
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static isdnloop_card *cards = (isdnloop_card *) 0;
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#endif /* __KERNEL__ */
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/* Utility-Macros */
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#define CID (card->interface.id)
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#endif /* defined(__KERNEL__) || defined(__DEBUGVAR__) */
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#endif /* isdnloop_h */
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