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Diffstat (limited to 'Documentation/DocBook/media/dvb/net.xml')
| -rw-r--r-- | Documentation/DocBook/media/dvb/net.xml | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/Documentation/DocBook/media/dvb/net.xml b/Documentation/DocBook/media/dvb/net.xml deleted file mode 100644 index d2e44b7e07df..000000000000 --- a/Documentation/DocBook/media/dvb/net.xml +++ /dev/null @@ -1,238 +0,0 @@ -<title>DVB Network API</title> -<para>The DVB net device controls the mapping of data packages that are - part of a transport stream to be mapped into a virtual network interface, - visible through the standard Linux network protocol stack.</para> -<para>Currently, two encapsulations are supported:</para> -<itemizedlist> - <listitem><para><ulink url="http://en.wikipedia.org/wiki/Multiprotocol_Encapsulation"> - Multi Protocol Encapsulation (MPE)</ulink></para></listitem> - <listitem><para><ulink url="http://en.wikipedia.org/wiki/Unidirectional_Lightweight_Encapsulation"> - Ultra Lightweight Encapsulation (ULE)</ulink></para></listitem> -</itemizedlist> - -<para>In order to create the Linux virtual network interfaces, an application - needs to tell to the Kernel what are the PIDs and the encapsulation types - that are present on the transport stream. This is done through - <constant>/dev/dvb/adapter?/net?</constant> device node. - The data will be available via virtual <constant>dvb?_?</constant> - network interfaces, and will be controled/routed via the standard - ip tools (like ip, route, netstat, ifconfig, etc).</para> -<para> Data types and and ioctl definitions are defined via - <constant>linux/dvb/net.h</constant> header.</para> - -<section id="net_fcalls"> -<title>DVB net Function Calls</title> - - -<refentry id="NET_ADD_IF"> - <refmeta> - <refentrytitle>ioctl NET_ADD_IF</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>NET_ADD_IF</refname> - <refpurpose>Creates a new network interface for a given Packet ID.</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcprototype> - <funcdef>int <function>ioctl</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>int <parameter>request</parameter></paramdef> - <paramdef>struct dvb_net_if *<parameter>net_if</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Arguments</title> - <variablelist> - <varlistentry> - <term><parameter>fd</parameter></term> - <listitem> - <para>&fe_fd;</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>request</parameter></term> - <listitem> - <para>FE_SET_TONE</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>net_if</parameter></term> - <listitem> - <para>pointer to &dvb-net-if;</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Description</title> - -<para>The NET_ADD_IF ioctl system call selects the Packet ID (PID) that - contains a TCP/IP traffic, the type of encapsulation to be used (MPE or ULE) - and the interface number for the new interface to be created. When the - system call successfully returns, a new virtual network interface is created.</para> -<para>The &dvb-net-if;::ifnum field will be filled with the number of the - created interface.</para> - -&return-value-dvb; -</refsect1> - -<refsect1 id="dvb-net-if-t"> -<title>struct <structname>dvb_net_if</structname> description</title> - -<table pgwide="1" frame="none" id="dvb-net-if"> - <title>struct <structname>dvb_net_if</structname></title> - <tgroup cols="2"> - &cs-def; - <thead> - <row> - <entry>ID</entry> - <entry>Description</entry> - </row> - </thead> - <tbody valign="top"> - <row> - <entry align="char">pid</entry> - <entry align="char">Packet ID (PID) of the MPEG-TS that contains - data</entry> - </row><row> - <entry align="char">ifnum</entry> - <entry align="char">number of the DVB interface.</entry> - </row><row> - <entry align="char">feedtype</entry> - <entry align="char">Encapsulation type of the feed. It can be: - <constant>DVB_NET_FEEDTYPE_MPE</constant> for MPE encoding - or - <constant>DVB_NET_FEEDTYPE_ULE</constant> for ULE encoding. - </entry> - </row> - </tbody> - </tgroup> -</table> -</refsect1> -</refentry> - -<refentry id="NET_REMOVE_IF"> - <refmeta> - <refentrytitle>ioctl NET_REMOVE_IF</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>NET_REMOVE_IF</refname> - <refpurpose>Removes a network interface.</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcprototype> - <funcdef>int <function>ioctl</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>int <parameter>request</parameter></paramdef> - <paramdef>int <parameter>ifnum</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Arguments</title> - <variablelist> - <varlistentry> - <term><parameter>fd</parameter></term> - <listitem> - <para>&fe_fd;</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>request</parameter></term> - <listitem> - <para>FE_SET_TONE</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>net_if</parameter></term> - <listitem> - <para>number of the interface to be removed</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Description</title> - -<para>The NET_REMOVE_IF ioctl deletes an interface previously created - via &NET-ADD-IF;.</para> - -&return-value-dvb; -</refsect1> -</refentry> - - -<refentry id="NET_GET_IF"> - <refmeta> - <refentrytitle>ioctl NET_GET_IF</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>NET_GET_IF</refname> - <refpurpose>Read the configuration data of an interface created via - &NET-ADD-IF;.</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcprototype> - <funcdef>int <function>ioctl</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>int <parameter>request</parameter></paramdef> - <paramdef>struct dvb_net_if *<parameter>net_if</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Arguments</title> - <variablelist> - <varlistentry> - <term><parameter>fd</parameter></term> - <listitem> - <para>&fe_fd;</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>request</parameter></term> - <listitem> - <para>FE_SET_TONE</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>net_if</parameter></term> - <listitem> - <para>pointer to &dvb-net-if;</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Description</title> - -<para>The NET_GET_IF ioctl uses the interface number given by the - &dvb-net-if;::ifnum field and fills the content of &dvb-net-if; with - the packet ID and encapsulation type used on such interface. If the - interface was not created yet with &NET-ADD-IF;, it will return -1 and - fill the <constant>errno</constant> with <constant>EINVAL</constant> - error code.</para> - -&return-value-dvb; -</refsect1> -</refentry> -</section> |