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/*
* dvb_net.h
*
* Copyright (C) 2001 Ralph Metzler for convergence integrated media GmbH
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, 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.
*
*/
#ifndef _DVB_NET_H_
#define _DVB_NET_H_
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/inetdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <media/dvbdev.h>
#define DVB_NET_DEVICES_MAX 10
#ifdef CONFIG_DVB_NET
/**
* struct dvb_net - describes a DVB network interface
*
* @dvbdev: pointer to &struct dvb_device.
* @device: array of pointers to &struct net_device.
* @state: array of integers to each net device. A value
* different than zero means that the interface is
* in usage.
* @exit: flag to indicate when the device is being removed.
* @demux: pointer to &struct dmx_demux.
* @ioctl_mutex: protect access to this struct.
*
* Currently, the core supports up to %DVB_NET_DEVICES_MAX (10) network
* devices.
*/
struct dvb_net {
struct dvb_device *dvbdev;
struct net_device *device[DVB_NET_DEVICES_MAX];
int state[DVB_NET_DEVICES_MAX];
unsigned int exit:1;
struct dmx_demux *demux;
struct mutex ioctl_mutex;
};
/**
* dvb_net_init - nitializes a digital TV network device and registers it.
*
* @adap: pointer to &struct dvb_adapter.
* @dvbnet: pointer to &struct dvb_net.
* @dmxdemux: pointer to &struct dmx_demux.
*/
int dvb_net_init(struct dvb_adapter *adap, struct dvb_net *dvbnet,
struct dmx_demux *dmxdemux);
/**
* dvb_net_release - releases a digital TV network device and unregisters it.
*
* @dvbnet: pointer to &struct dvb_net.
*/
void dvb_net_release(struct dvb_net *dvbnet);
#else
struct dvb_net {
struct dvb_device *dvbdev;
};
static inline void dvb_net_release(struct dvb_net *dvbnet)
{
}
static inline int dvb_net_init(struct dvb_adapter *adap,
struct dvb_net *dvbnet, struct dmx_demux *dmx)
{
return 0;
}
#endif /* ifdef CONFIG_DVB_NET */
#endif
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