media: net.h: add kernel-doc and use it at Documentation/

As we did with frontend.h, ca.h and dmx.h, move the struct
definition to net.h.

That should help to keep it updated, as more stuff gets
added there.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

Documentation/media/uapi/dvb/net-add-if.rst

@@ -41,40 +41,6 @@ created.
 The struct :c:type:`dvb_net_if`::ifnum field will be
 filled with the number of the created interface.
 
-.. c:type:: dvb_net_if
-
-.. flat-table:: struct dvb_net_if
-    :header-rows:  1
-    :stub-columns: 0
-
-
-    -  .. row 1
-
-       -  ID
-
-       -  Description
-
-    -  .. row 2
-
-       -  pid
-
-       -  Packet ID (PID) of the MPEG-TS that contains data
-
-    -  .. row 3
-
-       -  ifnum
-
-       -  number of the Digital TV interface.
-
-    -  .. row 4
-
-       -  feedtype
-
-       -  Encapsulation type of the feed. It can be:
-	  ``DVB_NET_FEEDTYPE_MPE`` for MPE encoding or
-	  ``DVB_NET_FEEDTYPE_ULE`` for ULE encoding.
-
-
 Return Value
 ============
 

Documentation/media/uapi/dvb/net-types.rst

+.. -*- coding: utf-8; mode: rst -*-
+
+.. _dmx_types:
+
+**************
+Net Data Types
+**************
+
+.. kernel-doc:: include/uapi/linux/dvb/net.h

Documentation/media/uapi/dvb/net.rst

@@ -35,6 +35,7 @@ Digital TV net Function Calls
 .. toctree::
     :maxdepth: 1
 
+    net-types
     net-add-if
     net-remove-if
     net-get-if

include/uapi/linux/dvb/net.h

@@ -26,6 +26,21 @@
 
 #include <linux/types.h>
 
+/**
+ * struct dvb_net_if - describes a DVB network interface
+ *
+ * @pid: Packet ID (PID) of the MPEG-TS that contains data
+ * @if_num: number of the Digital TV interface.
+ * @feedtype: Encapsulation type of the feed.
+ *
+ * A MPEG-TS stream may contain packet IDs with IP packages on it.
+ * This struct describes it, and the type of encoding.
+ *
+ * @feedtype can be:
+ *
+ *	- %DVB_NET_FEEDTYPE_MPE for MPE encoding
+ *	- %DVB_NET_FEEDTYPE_ULE for ULE encoding.
+ */
 struct dvb_net_if {
 	__u16 pid;
 	__u16 if_num;