1 /* 1 /*
2 * dvb_net.h 2 * dvb_net.h
3 * 3 *
4 * Copyright (C) 2001 Ralph Metzler for conver 4 * Copyright (C) 2001 Ralph Metzler for convergence integrated media GmbH
5 * 5 *
6 * This program is free software; you can redi 6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser 7 * modify it under the terms of the GNU Lesser General Public License
8 * as published by the Free Software Foundatio 8 * as published by the Free Software Foundation; either version 2.1
9 * of the License, or (at your option) any lat 9 * of the License, or (at your option) any later version.
10 * 10 *
11 * This program is distributed in the hope tha 11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details 14 * GNU General Public License for more details.
15 * 15 *
16 */ 16 */
17 17
18 #ifndef _DVB_NET_H_ 18 #ifndef _DVB_NET_H_
19 #define _DVB_NET_H_ 19 #define _DVB_NET_H_
20 20
21 #include <linux/module.h> 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>
22 26
23 #include <media/dvbdev.h> 27 #include <media/dvbdev.h>
24 <<
25 struct net_device; <<
26 28
27 #define DVB_NET_DEVICES_MAX 10 29 #define DVB_NET_DEVICES_MAX 10
28 30
29 #ifdef CONFIG_DVB_NET 31 #ifdef CONFIG_DVB_NET
30 32
31 /** 33 /**
32 * struct dvb_net - describes a DVB network in 34 * struct dvb_net - describes a DVB network interface
33 * 35 *
34 * @dvbdev: pointer to &struct dvb 36 * @dvbdev: pointer to &struct dvb_device.
35 * @device: array of pointers to & 37 * @device: array of pointers to &struct net_device.
36 * @state: array of integers to e 38 * @state: array of integers to each net device. A value
37 * different than zero me 39 * different than zero means that the interface is
38 * in usage. 40 * in usage.
39 * @exit: flag to indicate when 41 * @exit: flag to indicate when the device is being removed.
40 * @demux: pointer to &struct dmx 42 * @demux: pointer to &struct dmx_demux.
41 * @ioctl_mutex: protect access to this 43 * @ioctl_mutex: protect access to this struct.
42 * @remove_mutex: mutex that avoids a ra 44 * @remove_mutex: mutex that avoids a race condition between a callback
43 * called when the hardwa 45 * called when the hardware is disconnected and the
44 * file_operations of dvb 46 * file_operations of dvb_net.
45 * 47 *
46 * Currently, the core supports up to %DVB_NET 48 * Currently, the core supports up to %DVB_NET_DEVICES_MAX (10) network
47 * devices. 49 * devices.
48 */ 50 */
49 51
50 struct dvb_net { 52 struct dvb_net {
51 struct dvb_device *dvbdev; 53 struct dvb_device *dvbdev;
52 struct net_device *device[DVB_NET_DEVI 54 struct net_device *device[DVB_NET_DEVICES_MAX];
53 int state[DVB_NET_DEVICES_MAX]; 55 int state[DVB_NET_DEVICES_MAX];
54 unsigned int exit:1; 56 unsigned int exit:1;
55 struct dmx_demux *demux; 57 struct dmx_demux *demux;
56 struct mutex ioctl_mutex; 58 struct mutex ioctl_mutex;
57 struct mutex remove_mutex; 59 struct mutex remove_mutex;
58 }; 60 };
59 61
60 /** 62 /**
61 * dvb_net_init - nitializes a digital TV netw 63 * dvb_net_init - nitializes a digital TV network device and registers it.
62 * 64 *
63 * @adap: pointer to &struct dvb_adapter 65 * @adap: pointer to &struct dvb_adapter.
64 * @dvbnet: pointer to &struct dvb_net. 66 * @dvbnet: pointer to &struct dvb_net.
65 * @dmxdemux: pointer to &struct dmx_demux. 67 * @dmxdemux: pointer to &struct dmx_demux.
66 */ 68 */
67 int dvb_net_init(struct dvb_adapter *adap, str 69 int dvb_net_init(struct dvb_adapter *adap, struct dvb_net *dvbnet,
68 struct dmx_demux *dmxdemux); 70 struct dmx_demux *dmxdemux);
69 71
70 /** 72 /**
71 * dvb_net_release - releases a digital TV net 73 * dvb_net_release - releases a digital TV network device and unregisters it.
72 * 74 *
73 * @dvbnet: pointer to &struct dvb_net. 75 * @dvbnet: pointer to &struct dvb_net.
74 */ 76 */
75 void dvb_net_release(struct dvb_net *dvbnet); 77 void dvb_net_release(struct dvb_net *dvbnet);
76 78
77 #else 79 #else
78 80
79 struct dvb_net { 81 struct dvb_net {
80 struct dvb_device *dvbdev; 82 struct dvb_device *dvbdev;
81 }; 83 };
82 84
83 static inline void dvb_net_release(struct dvb_ 85 static inline void dvb_net_release(struct dvb_net *dvbnet)
84 { 86 {
85 } 87 }
86 88
87 static inline int dvb_net_init(struct dvb_adap 89 static inline int dvb_net_init(struct dvb_adapter *adap,
88 struct dvb_net 90 struct dvb_net *dvbnet, struct dmx_demux *dmx)
89 { 91 {
90 return 0; 92 return 0;
91 } 93 }
92 94
93 #endif /* ifdef CONFIG_DVB_NET */ 95 #endif /* ifdef CONFIG_DVB_NET */
94 96
95 #endif 97 #endif
96 98
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.