wifi: Introduce the VHT Frame Exchange Manager

src/wifi/helper/wifi-helper.cc

@@ -1006,6 +1006,7 @@ WifiHelper::EnableLogComponents (void)
   LogComponentEnable ("ThresholdPreambleDetectionModel", LOG_LEVEL_ALL);
   LogComponentEnable ("Txop", LOG_LEVEL_ALL);
   LogComponentEnable ("VhtConfiguration", LOG_LEVEL_ALL);
+  LogComponentEnable ("VhtFrameExchangeManager", LOG_LEVEL_ALL);
   LogComponentEnable ("WifiAckManager", LOG_LEVEL_ALL);
   LogComponentEnable ("WifiAckPolicySelector", LOG_LEVEL_ALL);
   LogComponentEnable ("WifiDefaultAckManager", LOG_LEVEL_ALL);

src/wifi/model/vht-frame-exchange-manager.cc

@@ -0,0 +1,61 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2020 Universita' degli Studi di Napoli Federico II
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * Author: Stefano Avallone <stavallo@unina.it>
+ */
+
+#include "ns3/log.h"
+#include "ns3/abort.h"
+#include "vht-frame-exchange-manager.h"
+
+#undef NS_LOG_APPEND_CONTEXT
+#define NS_LOG_APPEND_CONTEXT std::clog << "[mac=" << m_self << "] "
+
+namespace ns3 {
+
+NS_LOG_COMPONENT_DEFINE ("VhtFrameExchangeManager");
+
+NS_OBJECT_ENSURE_REGISTERED (VhtFrameExchangeManager);
+
+TypeId
+VhtFrameExchangeManager::GetTypeId (void)
+{
+  static TypeId tid = TypeId ("ns3::VhtFrameExchangeManager")
+    .SetParent<HtFrameExchangeManager> ()
+    .AddConstructor<VhtFrameExchangeManager> ()
+    .SetGroupName ("Wifi")
+  ;
+  return tid;
+}
+
+VhtFrameExchangeManager::VhtFrameExchangeManager ()
+{
+  NS_LOG_FUNCTION (this);
+}
+
+VhtFrameExchangeManager::~VhtFrameExchangeManager ()
+{
+  NS_LOG_FUNCTION_NOARGS ();
+}
+
+Ptr<WifiPsdu>
+VhtFrameExchangeManager::GetWifiPsdu (Ptr<WifiMacQueueItem> mpdu, const WifiTxVector& txVector) const
+{
+  return Create<WifiPsdu> (mpdu, txVector.GetModulationClass () >= WIFI_MOD_CLASS_VHT);
+}
+
+} //namespace ns3

src/wifi/model/vht-frame-exchange-manager.h

@@ -0,0 +1,52 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2020 Universita' degli Studi di Napoli Federico II
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * Author: Stefano Avallone <stavallo@unina.it>
+ */
+
+#ifndef VHT_FRAME_EXCHANGE_MANAGER_H
+#define VHT_FRAME_EXCHANGE_MANAGER_H
+
+#include "ht-frame-exchange-manager.h"
+
+namespace ns3 {
+
+/**
+ * \ingroup wifi
+ *
+ * VhtFrameExchangeManager handles the frame exchange sequences
+ * for VHT stations.
+ */
+class VhtFrameExchangeManager : public HtFrameExchangeManager
+{
+public:
+  /**
+   * \brief Get the type ID.
+   * \return the object TypeId
+   */
+  static TypeId GetTypeId (void);
+  VhtFrameExchangeManager ();
+  virtual ~VhtFrameExchangeManager ();
+
+protected:
+  // Overridden from HtFrameExchangeManager
+  virtual Ptr<WifiPsdu> GetWifiPsdu (Ptr<WifiMacQueueItem> mpdu, const WifiTxVector& txVector) const override;
+};
+
+} //namespace ns3
+
+#endif /* VHT_FRAME_EXCHANGE_MANAGER_H */

src/wifi/wscript

@@ -35,6 +35,7 @@ def build(bld):
         'model/frame-exchange-manager.cc',
         'model/qos-frame-exchange-manager.cc',
         'model/ht-frame-exchange-manager.cc',
+        'model/vht-frame-exchange-manager.cc',
         'model/mac-low.cc',
         'model/mac-low-transmission-parameters.cc',
         'model/wifi-mac-queue.cc',
@@ -219,6 +220,7 @@ def build(bld):
         'model/frame-exchange-manager.h',
         'model/qos-frame-exchange-manager.h',
         'model/ht-frame-exchange-manager.h',
+        'model/vht-frame-exchange-manager.h',
         'model/mac-low.h',
         'model/mac-low-transmission-parameters.h',
         'model/originator-block-ack-agreement.h',