94 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			94 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * dvb_net.h
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 *
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 * Copyright (C) 2001 Ralph Metzler for convergence integrated media GmbH
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public License
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 * as published by the Free Software Foundation; either version 2.1
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 */
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#ifndef _DVB_NET_H_
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#define _DVB_NET_H_
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#include <linux/module.h>
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#include <linux/netdevice.h>
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#include <linux/inetdevice.h>
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#include <linux/etherdevice.h>
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#include <linux/skbuff.h>
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#include <media/dvbdev.h>
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#define DVB_NET_DEVICES_MAX 10
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#ifdef CONFIG_DVB_NET
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/**
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 * struct dvb_net - describes a DVB network interface
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 *
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 * @dvbdev:		pointer to &struct dvb_device.
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 * @device:		array of pointers to &struct net_device.
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 * @state:		array of integers to each net device. A value
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 *			different than zero means that the interface is
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 *			in usage.
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 * @exit:		flag to indicate when the device is being removed.
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 * @demux:		pointer to &struct dmx_demux.
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 * @ioctl_mutex:	protect access to this struct.
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 *
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 * Currently, the core supports up to %DVB_NET_DEVICES_MAX (10) network
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 * devices.
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 */
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struct dvb_net {
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	struct dvb_device *dvbdev;
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	struct net_device *device[DVB_NET_DEVICES_MAX];
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	int state[DVB_NET_DEVICES_MAX];
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	unsigned int exit:1;
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	struct dmx_demux *demux;
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	struct mutex ioctl_mutex;
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};
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/**
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 * dvb_net_init - nitializes a digital TV network device and registers it.
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 *
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 * @adap:	pointer to &struct dvb_adapter.
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 * @dvbnet:	pointer to &struct dvb_net.
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 * @dmxdemux:	pointer to &struct dmx_demux.
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 */
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int dvb_net_init(struct dvb_adapter *adap, struct dvb_net *dvbnet,
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		  struct dmx_demux *dmxdemux);
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/**
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 * dvb_net_release - releases a digital TV network device and unregisters it.
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 *
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 * @dvbnet:	pointer to &struct dvb_net.
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 */
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void dvb_net_release(struct dvb_net *dvbnet);
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#else
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struct dvb_net {
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	struct dvb_device *dvbdev;
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};
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static inline void dvb_net_release(struct dvb_net *dvbnet)
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{
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}
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static inline int dvb_net_init(struct dvb_adapter *adap,
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			       struct dvb_net *dvbnet, struct dmx_demux *dmx)
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{
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	return 0;
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}
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#endif /* ifdef CONFIG_DVB_NET */
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#endif
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