doc: Ethernet properties 'Speed' and 'Duplex' are not provided

Ethernet properties 'Speed' and 'Duplex' have never been implemented
and are not supported for WiFi. Thus mark them deprecated.

Fixes BMC#25992

diff --git a/doc/service-api.txt b/doc/service-api.txt
index e7224cc..471c244 100644 (file)
--- a/doc/service-api.txt
+++ b/doc/service-api.txt
@@ -471,18 +471,15 @@ Properties        string State [readonly]
 
                                The Ethernet MTU (default is 1500).
 
-                       uint16 Speed [readonly]
+                       uint16 Speed [readonly] [deprecated]
 
                                Selected speed of the line.
 
-                               This information might not always be
-                               available.
+                               This information is not available.
 
-                       string Duplex [readonly]
+                       string Duplex [readonly] [deprecated]
 
                                Selected duplex settings of the line.
-
                                Possible values are "half" and "full".
 
-                               This information might not always be
-                               available.
+                               This information is not available.