1 /* $Id: isdnloop.h,v 1.5.6.3 2001/09/23 22:24:56 kai Exp $
3 * Loopback lowlevel module for testing of linklevel.
5 * Copyright 1997 by Fritz Elfert (fritz@isdn4linux.de)
7 * This software may be used and distributed according to the terms
8 * of the GNU General Public License, incorporated herein by reference.
15 #define ISDNLOOP_IOCTL_DEBUGVAR 0
16 #define ISDNLOOP_IOCTL_ADDCARD 1
17 #define ISDNLOOP_IOCTL_LEASEDCFG 2
18 #define ISDNLOOP_IOCTL_STARTUP 3
20 /* Struct for adding new cards */
21 typedef struct isdnloop_cdef {
25 /* Struct for configuring cards */
26 typedef struct isdnloop_sdef {
31 #if defined(__KERNEL__) || defined(__DEBUGVAR__)
36 #include <linux/version.h>
37 #include <linux/errno.h>
39 #include <linux/major.h>
41 #include <linux/kernel.h>
42 #include <linux/signal.h>
43 #include <linux/slab.h>
45 #include <linux/mman.h>
46 #include <linux/ioport.h>
47 #include <linux/timer.h>
48 #include <linux/wait.h>
49 #include <linux/isdnif.h>
51 #endif /* __KERNEL__ */
53 #define ISDNLOOP_FLAGS_B1ACTIVE 1 /* B-Channel-1 is open */
54 #define ISDNLOOP_FLAGS_B2ACTIVE 2 /* B-Channel-2 is open */
55 #define ISDNLOOP_FLAGS_RUNNING 4 /* Cards driver activated */
56 #define ISDNLOOP_FLAGS_RBTIMER 8 /* scheduling of B-Channel-poll */
57 #define ISDNLOOP_TIMER_BCREAD 1 /* B-Channel poll-cycle */
58 #define ISDNLOOP_TIMER_DCREAD (HZ/2) /* D-Channel poll-cycle */
59 #define ISDNLOOP_TIMER_ALERTWAIT (10*HZ) /* Alert timeout */
60 #define ISDNLOOP_MAX_SQUEUE 65536 /* Max. outstanding send-data */
61 #define ISDNLOOP_BCH 2 /* channels per card */
64 * Per card driver data
66 typedef struct isdnloop_card {
67 struct isdnloop_card *next; /* Pointer to next device struct */
69 *rcard[ISDNLOOP_BCH]; /* Pointer to 'remote' card */
70 int rch[ISDNLOOP_BCH]; /* 'remote' channel */
71 int myid; /* Driver-Nr. assigned by linklevel */
72 int leased; /* Flag: This Adapter is connected */
73 /* to a leased line */
74 int sil[ISDNLOOP_BCH]; /* SI's to listen for */
75 char eazlist[ISDNLOOP_BCH][11];
76 /* EAZ's to listen for */
77 char s0num[3][20]; /* 1TR6 base-number or MSN's */
78 unsigned short flags; /* Statusflags */
79 int ptype; /* Protocol type (1TR6 or Euro) */
80 struct timer_list st_timer; /* Timer for Status-Polls */
81 struct timer_list rb_timer; /* Timer for B-Channel-Polls */
83 c_timer[ISDNLOOP_BCH]; /* Timer for Alerting */
84 int l2_proto[ISDNLOOP_BCH]; /* Current layer-2-protocol */
85 isdn_if interface; /* Interface to upper layer */
86 int iptr; /* Index to imsg-buffer */
87 char imsg[60]; /* Internal buf for status-parsing */
88 int optr; /* Index to omsg-buffer */
89 char omsg[60]; /* Internal buf for cmd-parsing */
90 char msg_buf[2048]; /* Buffer for status-messages */
91 char *msg_buf_write; /* Writepointer for statusbuffer */
92 char *msg_buf_read; /* Readpointer for statusbuffer */
93 char *msg_buf_end; /* Pointer to end of statusbuffer */
94 int sndcount[ISDNLOOP_BCH]; /* Byte-counters for B-Ch.-send */
96 bqueue[ISDNLOOP_BCH]; /* B-Channel queues */
97 struct sk_buff_head dqueue; /* D-Channel queue */
104 static isdnloop_card *cards = (isdnloop_card *) 0;
105 #endif /* __KERNEL__ */
109 #define CID (card->interface.id)
111 #endif /* defined(__KERNEL__) || defined(__DEBUGVAR__) */
112 #endif /* isdnloop_h */