wifi: Add 80+80MHz channel width type

src/wifi/model/wifi-phy-common.cc

@@ -293,6 +293,7 @@ GetChannelWidthInMhz(WifiChannelWidthType width)
     case WifiChannelWidthType::CW_80MHZ:
         return 80;
     case WifiChannelWidthType::CW_160MHZ:
+    case WifiChannelWidthType::CW_80_PLUS_80MHZ:
         return 160;
     case WifiChannelWidthType::CW_2160MHZ:
         return 2160;

src/wifi/model/wifi-phy-common.h

@@ -565,6 +565,8 @@ operator<<(std::ostream& os, WifiChannelWidthType width)
         return (os << "80MHz");
     case WifiChannelWidthType::CW_160MHZ:
         return (os << "160MHz");
+    case WifiChannelWidthType::CW_80_PLUS_80MHZ:
+        return (os << "80+80MHz");
     case WifiChannelWidthType::CW_2160MHZ:
         return (os << "2160MHz");
     default:

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

@@ -493,7 +493,8 @@ WifiPhyOperatingChannel::GetWidthType() const
     case 80:
         return WifiChannelWidthType::CW_80MHZ;
     case 160:
-        return WifiChannelWidthType::CW_160MHZ;
+        return (m_channelIts.size() == 2) ? WifiChannelWidthType::CW_80_PLUS_80MHZ
+                                          : WifiChannelWidthType::CW_160MHZ;
     case 2160:
         return WifiChannelWidthType::CW_2160MHZ;
     case 0:

src/wifi/model/wifi-types.h

@@ -41,6 +41,7 @@ enum class WifiChannelWidthType : uint8_t
     CW_40MHZ,
     CW_80MHZ,
     CW_160MHZ,
+    CW_80_PLUS_80MHZ,
     CW_2160MHZ,
     MAX,
 };