wifi: Get the PHY band of the operating channel

src/wifi/model/wifi-phy-operating-channel.cc

@@ -393,6 +393,13 @@ WifiPhyOperatingChannel::GetWidth (void) const
   return std::get<2> (*m_channelIt);
 }
 
+WifiPhyBand
+WifiPhyOperatingChannel::GetPhyBand (void) const
+{
+  NS_ASSERT (IsSet ());
+  return std::get<4> (*m_channelIt);
+}
+
 bool
 WifiPhyOperatingChannel::IsOfdm (void) const
 {

src/wifi/model/wifi-phy-operating-channel.h

@@ -113,6 +113,12 @@ public:
    * \return the width of the whole operating channel (in MHz)
    */
   uint16_t GetWidth (void) const;
+  /**
+   * Return the PHY band of the operating channel
+   *
+   * \return the PHY band of the operating channel
+   */
+  WifiPhyBand GetPhyBand (void) const;
   /**
    * Return whether the operating channel is an OFDM channel.
    *