wifi: Add AID to MAC address conversion accessors to ApWifiMac

src/wifi/model/ap-wifi-mac.cc

@@ -1456,6 +1456,25 @@ ApWifiMac::GetNextAssociationId (void)
   return 0;
 }
 
+const std::map<uint16_t, Mac48Address>&
+ApWifiMac::GetStaList (void) const
+{
+  return m_staList;
+}
+
+uint16_t
+ApWifiMac::GetAssociationId (Mac48Address addr) const
+{
+  for (auto & it : m_staList)
+    {
+      if (it.second == addr)
+        {
+          return it.first;
+        }
+    }
+  return SU_STA_ID;
+}
+
 uint8_t
 ApWifiMac::GetBufferStatus (uint8_t tid, Mac48Address address) const
 {

src/wifi/model/ap-wifi-mac.h

@@ -108,6 +108,20 @@ public:
    */
   int64_t AssignStreams (int64_t stream);
 
+  /**
+   * Get a const reference to the map of associated stations. Each station is
+   * specified by an (association ID, MAC address) pair. Make sure not to use
+   * the returned reference after that this object has been deallocated.
+   *
+   * \return a const reference to the map of associated stations
+   */
+  const std::map<uint16_t, Mac48Address>& GetStaList (void) const;
+  /**
+   * \param addr the address of the associated station
+   * \return the Association ID allocated by the AP to the station, SU_STA_ID if unallocated
+   */
+  uint16_t GetAssociationId (Mac48Address addr) const;
+
   /**
    * Return the value of the Queue Size subfield of the last QoS Data or QoS Null
    * frame received from the station with the given MAC address and belonging to