Initial import

1 files changed, 112 insertions, 0 deletions

diff --git a/drivers/isdn/isdnloop/isdnloop.h b/drivers/isdn/isdnloop/isdnloop.h
new file mode 100644
index 000000000..e9e035552
--- /dev/null
+++ b/drivers/isdn/isdnloop/isdnloop.h
@@ -0,0 +1,112 @@
+/* $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 */