/* $Id: isdnloop.h,v 1.5.6.3 2001/09/23 22:24:56 kai Exp $ * * Loopback lowlevel module for testing of linklevel. * * Copyright 1997 by Fritz Elfert (fritz@isdn4linux.de) * * This software may be used and distributed according to the terms * of the GNU General Public License, incorporated herein by reference. * */ #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/errno.h> #include <linux/fs.h> #include <linux/major.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 */ spinlock_t isdnloop_lock; } isdnloop_card; /* * Main driver data */ #ifdef __KERNEL__ static isdnloop_card *cards = (isdnloop_card *) 0; #endif /* __KERNEL__ */ /* Utility-Macros */ #define CID (card->interface.id) #endif /* defined(__KERNEL__) || defined(__DEBUGVAR__) */ #endif /* isdnloop_h */Overall Contributors
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