batman-adv: add kernel doc for AP isolation attributes in bat_priv

Signed-off-by: Antonio Quartulli <a@unstable.cc>

net/batman-adv/types.h

@@ -772,6 +772,9 @@ struct batadv_softif_vlan {
  * @orig_interval: OGM broadcast interval in milliseconds
  * @hop_penalty: penalty which will be applied to an OGM's tq-field on every hop
  * @log_level: configured log level (see batadv_dbg_level)
+ * @isolation_mark: the skb->mark value used to match packets for AP isolation
+ * @isolation_mark_mask: bitmask identifying the bits in skb->mark to be used
+ *  for the isolation mark
  * @bcast_seqno: last sent broadcast packet sequence number
  * @bcast_queue_left: number of remaining buffered broadcast packet slots
  * @batman_queue_left: number of remaining OGM packet slots