1 files changed, 12 insertions, 10 deletions

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index a7f122b79948..c34fd9a6160a 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -347,9 +347,16 @@ enum ieee80211_if_types {
  * @mac_addr: pointer to MAC address of the interface. This pointer is valid
  *      until the interface is removed (i.e. it cannot be used after
  *      remove_interface() callback was called for this interface).
+ *      This pointer will be %NULL for monitor interfaces, be careful.
  *
  * This structure is used in add_interface() and remove_interface()
  * callbacks of &struct ieee80211_hw.
+ *
+ * When you allow multiple interfaces to be added to your PHY, take care
+ * that the hardware can actually handle multiple MAC addresses. However,
+ * also take care that when there's no interface left with mac_addr != %NULL
+ * you remove the MAC address from the device to avoid acknowledging packets
+ * in pure monitor mode.
  */
 struct ieee80211_if_init_conf {
         int if_id;
@@ -574,10 +581,11 @@ struct ieee80211_ops {
          * to returning zero. By returning non-zero addition of the interface
          * is inhibited. Unless monitor_during_oper is set, it is guaranteed
          * that monitor interfaces and normal interfaces are mutually
-         * exclusive. The open() handler is called after add_interface()
-         * if this is the first device added. At least one of the open()
-         * open() and add_interface() callbacks has to be assigned. If
-         * add_interface() is NULL, one STA interface is permitted only. */
+         * exclusive. If assigned, the open() handler is called after
+         * add_interface() if this is the first device added. The
+         * add_interface() callback has to be assigned because it is the only
+         * way to obtain the requested MAC address for any interface.
+         */
         int (*add_interface)(struct ieee80211_hw *hw,
                              struct ieee80211_if_init_conf *conf);
 
@@ -921,12 +929,6 @@ struct sk_buff *
 ieee80211_get_buffered_bc(struct ieee80211_hw *hw, int if_id,
                           struct ieee80211_tx_control *control);
 
-/* Low level drivers that have their own MLME and MAC indicate
- * the aid for an associating station with this call */
-int ieee80211_set_aid_for_sta(struct ieee80211_hw *hw,
-                              u8 *peer_address, u16 aid);
-
-
 /* Given an sk_buff with a raw 802.11 header at the data pointer this function
  * returns the 802.11 header length in bytes (not including encryption
  * headers). If the data in the sk_buff is too short to contain a valid 802.11