powerpc/hugetlb: Don't do runtime allocation of 16G pages in LPAR configuration
[linux-2.6-block.git] / include / media / dvb_net.h
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1/*
2 * dvb_net.h
3 *
4 * Copyright (C) 2001 Ralph Metzler for convergence integrated media GmbH
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public License
8 * as published by the Free Software Foundation; either version 2.1
9 * of the License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
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16 */
17
18#ifndef _DVB_NET_H_
19#define _DVB_NET_H_
20
21#include <linux/module.h>
22#include <linux/netdevice.h>
23#include <linux/inetdevice.h>
24#include <linux/etherdevice.h>
25#include <linux/skbuff.h>
26
fada1935 27#include <media/dvbdev.h>
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28
29#define DVB_NET_DEVICES_MAX 10
30
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31#ifdef CONFIG_DVB_NET
32
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33/**
34 * struct dvb_net - describes a DVB network interface
35 *
36 * @dvbdev: pointer to &struct dvb_device.
37 * @device: array of pointers to &struct net_device.
38 * @state: array of integers to each net device. A value
39 * different than zero means that the interface is
40 * in usage.
41 * @exit: flag to indicate when the device is being removed.
42 * @demux: pointer to &struct dmx_demux.
43 * @ioctl_mutex: protect access to this struct.
44 *
45 * Currently, the core supports up to %DVB_NET_DEVICES_MAX (10) network
46 * devices.
47 */
48
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49struct dvb_net {
50 struct dvb_device *dvbdev;
51 struct net_device *device[DVB_NET_DEVICES_MAX];
52 int state[DVB_NET_DEVICES_MAX];
2c4d3364 53 unsigned int exit:1;
1da177e4 54 struct dmx_demux *demux;
30ad64b8 55 struct mutex ioctl_mutex;
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56};
57
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58/**
59 * dvb_net_init - nitializes a digital TV network device and registers it.
60 *
61 * @adap: pointer to &struct dvb_adapter.
62 * @dvbnet: pointer to &struct dvb_net.
63 * @dmxdemux: pointer to &struct dmx_demux.
64 */
65int dvb_net_init(struct dvb_adapter *adap, struct dvb_net *dvbnet,
66 struct dmx_demux *dmxdemux);
67
68/**
69 * dvb_net_release - releases a digital TV network device and unregisters it.
70 *
71 * @dvbnet: pointer to &struct dvb_net.
72 */
73void dvb_net_release(struct dvb_net *dvbnet);
1da177e4 74
fcc8e7d8 75#else
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76
77struct dvb_net {
fcc8e7d8 78 struct dvb_device *dvbdev;
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79};
80
81static inline void dvb_net_release(struct dvb_net *dvbnet)
82{
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83}
84
85static inline int dvb_net_init(struct dvb_adapter *adap,
86 struct dvb_net *dvbnet, struct dmx_demux *dmx)
87{
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88 return 0;
89}
90
fcc8e7d8 91#endif /* ifdef CONFIG_DVB_NET */
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92
93#endif