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The batman-adv configuration interface was implemented solely using sysfs. This approach was condemned by non-batadv developers as "huge mistake". Instead a netlink/genl based implementation was suggested. Beside the mesh/soft-interface specific configuration, the slave/hard-interface have B.A.T.M.A.N. V specific configuration settings. The genl interface reflects this by allowing to get/set it using the hard-interface specific commands. The BATADV_CMD_GET_HARDIFS (or short version BATADV_CMD_GET_HARDIF) is reused as get command because it already allow sto dump the content of other information from the slave/hard-interface which are not yet configuration specific. The set command BATADV_CMD_SET_HARDIF will also notify interested userspace listeners of the "config" mcast group using the BATADV_CMD_SET_HARDIF command message type that settings might have been changed and what the current values are. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>