/* $Id: isdnloop.h,v 1.5.6.1 2001/02/10 14:41:23 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #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) ((ab)?a:b) #endif /* defined(__KERNEL__) || defined(__DEBUGVAR__) */ #endif /* isdnloop_h */