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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 | /* $Id: isdnloop.h,v 1.5 2000/11/13 22:51:50 kai Exp $ * Loopback lowlevel module for testing of linklevel. * * Copyright 1997 by Fritz Elfert (fritz@isdn4linux.de) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #ifndef isdnloop_h #define isdnloop_h #define ISDNLOOP_IOCTL_DEBUGVAR 0 #define ISDNLOOP_IOCTL_ADDCARD 1 #define ISDNLOOP_IOCTL_LEASEDCFG 2 #define ISDNLOOP_IOCTL_STARTUP 3 /* Struct for adding new cards */ typedef struct isdnloop_cdef { char id1[10]; } isdnloop_cdef; /* Struct for configuring cards */ typedef struct isdnloop_sdef { int ptype; char num[3][20]; } isdnloop_sdef; #if defined(__KERNEL__) || defined(__DEBUGVAR__) #ifdef __KERNEL__ /* Kernel includes */ #include <linux/module.h> #include <linux/version.h> #include <linux/errno.h> #include <linux/fs.h> #include <linux/major.h> #include <asm/segment.h> #include <asm/io.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/slab.h> #include <linux/mm.h> #include <linux/mman.h> #include <linux/ioport.h> #include <linux/timer.h> #include <linux/wait.h> #include <linux/isdnif.h> #endif /* __KERNEL__ */ #define ISDNLOOP_FLAGS_B1ACTIVE 1 /* B-Channel-1 is open */ #define ISDNLOOP_FLAGS_B2ACTIVE 2 /* B-Channel-2 is open */ #define ISDNLOOP_FLAGS_RUNNING 4 /* Cards driver activated */ #define ISDNLOOP_FLAGS_RBTIMER 8 /* scheduling of B-Channel-poll */ #define ISDNLOOP_TIMER_BCREAD 1 /* B-Channel poll-cycle */ #define ISDNLOOP_TIMER_DCREAD (HZ/2) /* D-Channel poll-cycle */ #define ISDNLOOP_TIMER_ALERTWAIT (10*HZ) /* Alert timeout */ #define ISDNLOOP_MAX_SQUEUE 65536 /* Max. outstanding send-data */ #define ISDNLOOP_BCH 2 /* channels per card */ /* * Per card driver data */ typedef struct isdnloop_card { struct isdnloop_card *next; /* Pointer to next device struct */ struct isdnloop_card *rcard[ISDNLOOP_BCH]; /* Pointer to 'remote' card */ int rch[ISDNLOOP_BCH]; /* 'remote' channel */ int myid; /* Driver-Nr. assigned by linklevel */ int leased; /* Flag: This Adapter is connected */ /* to a leased line */ int sil[ISDNLOOP_BCH]; /* SI's to listen for */ char eazlist[ISDNLOOP_BCH][11]; /* EAZ's to listen for */ char s0num[3][20]; /* 1TR6 base-number or MSN's */ unsigned short flags; /* Statusflags */ int ptype; /* Protocol type (1TR6 or Euro) */ struct timer_list st_timer; /* Timer for Status-Polls */ struct timer_list rb_timer; /* Timer for B-Channel-Polls */ struct timer_list c_timer[ISDNLOOP_BCH]; /* Timer for Alerting */ int l2_proto[ISDNLOOP_BCH]; /* Current layer-2-protocol */ isdn_if interface; /* Interface to upper layer */ int iptr; /* Index to imsg-buffer */ char imsg[60]; /* Internal buf for status-parsing */ int optr; /* Index to omsg-buffer */ char omsg[60]; /* Internal buf for cmd-parsing */ char msg_buf[2048]; /* Buffer for status-messages */ char *msg_buf_write; /* Writepointer for statusbuffer */ char *msg_buf_read; /* Readpointer for statusbuffer */ char *msg_buf_end; /* Pointer to end of statusbuffer */ int sndcount[ISDNLOOP_BCH]; /* Byte-counters for B-Ch.-send */ struct sk_buff_head bqueue[ISDNLOOP_BCH]; /* B-Channel queues */ struct sk_buff_head dqueue; /* D-Channel queue */ } isdnloop_card; /* * Main driver data */ #ifdef __KERNEL__ static isdnloop_card *cards = (isdnloop_card *) 0; static char *isdnloop_id = "\0"; #ifdef MODULE MODULE_AUTHOR("Fritz Elfert"); MODULE_PARM(isdnloop_id, "s"); MODULE_PARM_DESC(isdnloop_id, "ID-String of first card"); #endif #endif /* __KERNEL__ */ /* Utility-Macros */ #define CID (card->interface.id) #define MIN(a,b) ((a<b)?a:b) #define MAX(a,b) ((a>b)?a:b) #endif /* defined(__KERNEL__) || defined(__DEBUGVAR__) */ #endif /* isdnloop_h */ |