* %ETHTOOL_GLINKSETTINGS: on entry, number of words passed by user
* (>= 0); on return, if handshake in progress, negative if
* request size unsupported by kernel: absolute value indicates
- * kernel recommended size and cmd field is 0, as well as all the
- * other fields; otherwise (handshake completed), strictly
- * positive to indicate size used by kernel and cmd field is
+ * kernel expected size and all the other fields but cmd
+ * are 0; otherwise (handshake completed), strictly positive
+ * to indicate size used by kernel and cmd field stays
* %ETHTOOL_GLINKSETTINGS, all other fields populated by driver. For
* %ETHTOOL_SLINKSETTINGS: must be valid on entry, ie. a positive
* value returned previously by %ETHTOOL_GLINKSETTINGS, otherwise