iptrtpproxy: minor doc updates

- minor fixes + note about setting iptdir in Makefile
- README regenerated

modules/iptrtpproxy/README

@@ -32,9 +32,9 @@ Tomas Mandys
 
    It provides similar functionality as nathelper but communicates with
    netfilter kernel xt_RTPPROXY module using libipt_RTPPROXY userspace
-   library. See http://www.2p.cz/en/netfilter_rtp_proxy All RTP streams
-   are manipulated directly in kernel space, no data are copied from
-   kernel to userspace and back, it reduces load and delay.
+   library. All RTP streams are manipulated directly in kernel space, no
+   data is copied from kernel to userspace and back, it reduces load and
+   delay. See http://www.2p.cz/en/netfilter_rtp_proxy for more details.
 
    The ser module is written as light-weighted, there is not implemented
    any dialog managment as in nathelper, the reason is that such API
@@ -60,6 +60,13 @@ Tomas Mandys
      * netfilter xt_RTPROXY & libipt_RTPPROXY, see
        http://www.2p.cz/en/netfilter_rtp_proxy
 
+Note
+
+   The module Makefile must be edited and iptdir setup to the directory
+   with the iptable sources (if different from ~/iptables). Alternatively
+   compile the module using:
+                make -C modules/iptrtpproxy iptdir=path_to_iptables_src
+
 1.3. Parameters
 
 1.3.1. config (string)

modules/iptrtpproxy/doc/iptrtpproxy.xml

@@ -1,6 +1,13 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" 
-   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
+	"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"
+	[ <!ENTITY % local.common.attrib
+	 "xmlns:xi CDATA #FIXED 'http://www.w3.org/2001/XInclude'">
+	 <!-- Include general documentation entities -->
+	 <!ENTITY % docentities SYSTEM "../../../docbook/entities.xml">
+	 %docentities;
+	]
+>
 
 <section id="iptrtpproxy" xmlns:xi="http://www.w3.org/2001/XInclude">
     <sectioninfo>
@@ -34,11 +41,12 @@
 	<para>
 	It provides similar functionality as <emphasis>nathelper</emphasis> but
 	communicates with <emphasis>netfilter</emphasis> kernel <emphasis>xt_RTPPROXY</emphasis> module using
-	<emphasis>libipt_RTPPROXY</emphasis> userspace library. 
-	See <ulink url="http://www.2p.cz/en/netfilter_rtp_proxy">http://www.2p.cz/en/netfilter_rtp_proxy</ulink>
-	All RTP streams are 
-	manipulated directly in kernel space, no data are copied from 
-	kernel to userspace and back, it reduces load and delay. 
+	<emphasis>libipt_RTPPROXY</emphasis> userspace library.
+	All RTP streams are
+	manipulated directly in kernel space, no data is copied from
+	kernel to userspace and back, it reduces load and delay.
+	See <ulink url="http://www.2p.cz/en/netfilter_rtp_proxy">
+	http://www.2p.cz/en/netfilter_rtp_proxy</ulink> for more details.
 	</para>
 
 	<para>
@@ -92,6 +100,14 @@
 		</listitem>
 	</itemizedlist>
 	</para>
+	<note><para>
+	The module Makefile must be edited and iptdir setup to the directory with
+	the iptable sources (if different from ~/iptables). Alternatively
+	compile the module using: 
+	<programlisting>
+		make -C modules/iptrtpproxy iptdir=path_to_iptables_src
+	</programlisting>
+	</para></note>
 	</section>
 
 	<section id="iptrtpproxy.parameters">