1 files changed, 93 insertions, 0 deletions

diff --git a/include/media/dvb_net.h b/include/media/dvb_net.h
new file mode 100644
index 000000000000..5e31d37f25fa
--- /dev/null
+++ b/include/media/dvb_net.h
@@ -0,0 +1,93 @@
+/*
+ * 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