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 28 25 struct net_device; << 26 << 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 << 43 * called when the hardwa << 44 * file_operations of dvb << 45 * 44 * 46 * Currently, the core supports up to %DVB_NET 45 * Currently, the core supports up to %DVB_NET_DEVICES_MAX (10) network 47 * devices. 46 * devices. 48 */ 47 */ 49 48 50 struct dvb_net { 49 struct dvb_net { 51 struct dvb_device *dvbdev; 50 struct dvb_device *dvbdev; 52 struct net_device *device[DVB_NET_DEVI 51 struct net_device *device[DVB_NET_DEVICES_MAX]; 53 int state[DVB_NET_DEVICES_MAX]; 52 int state[DVB_NET_DEVICES_MAX]; 54 unsigned int exit:1; 53 unsigned int exit:1; 55 struct dmx_demux *demux; 54 struct dmx_demux *demux; 56 struct mutex ioctl_mutex; 55 struct mutex ioctl_mutex; 57 struct mutex remove_mutex; << 58 }; 56 }; 59 57 60 /** 58 /** 61 * dvb_net_init - nitializes a digital TV netw 59 * dvb_net_init - nitializes a digital TV network device and registers it. 62 * 60 * 63 * @adap: pointer to &struct dvb_adapter 61 * @adap: pointer to &struct dvb_adapter. 64 * @dvbnet: pointer to &struct dvb_net. 62 * @dvbnet: pointer to &struct dvb_net. 65 * @dmxdemux: pointer to &struct dmx_demux. 63 * @dmxdemux: pointer to &struct dmx_demux. 66 */ 64 */ 67 int dvb_net_init(struct dvb_adapter *adap, str 65 int dvb_net_init(struct dvb_adapter *adap, struct dvb_net *dvbnet, 68 struct dmx_demux *dmxdemux); 66 struct dmx_demux *dmxdemux); 69 67 70 /** 68 /** 71 * dvb_net_release - releases a digital TV net 69 * dvb_net_release - releases a digital TV network device and unregisters it. 72 * 70 * 73 * @dvbnet: pointer to &struct dvb_net. 71 * @dvbnet: pointer to &struct dvb_net. 74 */ 72 */ 75 void dvb_net_release(struct dvb_net *dvbnet); 73 void dvb_net_release(struct dvb_net *dvbnet); 76 74 77 #else 75 #else 78 76 79 struct dvb_net { 77 struct dvb_net { 80 struct dvb_device *dvbdev; 78 struct dvb_device *dvbdev; 81 }; 79 }; 82 80 83 static inline void dvb_net_release(struct dvb_ 81 static inline void dvb_net_release(struct dvb_net *dvbnet) 84 { 82 { 85 } 83 } 86 84 87 static inline int dvb_net_init(struct dvb_adap 85 static inline int dvb_net_init(struct dvb_adapter *adap, 88 struct dvb_net 86 struct dvb_net *dvbnet, struct dmx_demux *dmx) 89 { 87 { 90 return 0; 88 return 0; 91 } 89 } 92 90 93 #endif /* ifdef CONFIG_DVB_NET */ 91 #endif /* ifdef CONFIG_DVB_NET */ 94 92 95 #endif 93 #endif 96 94
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