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/* $Id: isdn_divertif.h,v 1.4.6.1 2001/09/23 22:25:05 kai Exp $
*
* Header for the diversion supplementary interface for i4l.
*
* Author Werner Cornelius (werner@titro.de)
* Copyright by Werner Cornelius (werner@titro.de)
*
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*
*/
#ifndef _LINUX_ISDN_DIVERTIF_H
#define _LINUX_ISDN_DIVERTIF_H
/***********************************************************/
/* magic value is also used to control version information */
/***********************************************************/
#define DIVERT_IF_MAGIC 0x25873401
#define DIVERT_CMD_REG 0x00 /* register command */
#define DIVERT_CMD_REL 0x01 /* release command */
#define DIVERT_NO_ERR 0x00 /* return value no error */
#define DIVERT_CMD_ERR 0x01 /* invalid cmd */
#define DIVERT_VER_ERR 0x02 /* magic/version invalid */
#define DIVERT_REG_ERR 0x03 /* module already registered */
#define DIVERT_REL_ERR 0x04 /* module not registered */
#define DIVERT_REG_NAME isdn_register_divert
#ifdef __KERNEL__
#include <linux/isdnif.h>
#include <linux/types.h>
/***************************************************************/
/* structure exchanging data between isdn hl and divert module */
/***************************************************************/
typedef struct
{ ulong if_magic; /* magic info and version */
int cmd; /* command */
int (*stat_callback)(isdn_ctrl *); /* supplied by divert module when calling */
int (*ll_cmd)(isdn_ctrl *); /* supplied by hl on return */
char * (*drv_to_name)(int); /* map a driver id to name, supplied by hl */
int (*name_to_drv)(char *); /* map a driver id to name, supplied by hl */
} isdn_divert_if;
/*********************/
/* function register */
/*********************/
extern int DIVERT_REG_NAME(isdn_divert_if *);
#endif
#endif /* _LINUX_ISDN_DIVERTIF_H */
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