--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/lte/model/lte-ue-mac.cc Thu Mar 10 18:15:26 2011 +0100
@@ -0,0 +1,347 @@
+/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2011 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
+ *
+ * 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: Nicola Baldo <nbaldo@cttc.es>
+ * Author: Marco Miozzo <mmiozzo@cttc.es>
+ */
+
+
+
+#include <ns3/log.h>
+#include <ns3/pointer.h>
+#include <ns3/packet.h>
+#include <ns3/packet-burst.h>
+
+#include "lte-ue-mac.h"
+#include "ue-net-device.h"
+#include "lte-mac-tag.h"
+#include <ns3/ff-mac-common.h>
+#include <ns3/ideal-control-messages.h>
+
+
+NS_LOG_COMPONENT_DEFINE ("LteUeMac");
+
+namespace ns3 {
+
+NS_OBJECT_ENSURE_REGISTERED (LteUeMac);
+
+
+
+int BufferSizeLevelBsr[64] = {
+
+ 0, 10, 12, 14, 17, 19, 22, 26, 31, 36, 42, 49, 57, 67, 78, 91, 107, 125, 146,
+ 171, 200, 234, 274, 321, 376, 440, 515, 603, 706, 826, 967, 1132, 1326, 1552,
+ 1817, 2127, 2490, 2915, 3413, 3995, 4677, 5476, 6411, 7505, 8787, 10287,
+ 12043, 14099, 16507, 19325, 22624, 26487, 31009, 36304, 42502, 49759, 58255,
+ 68201, 79846, 93749, 109439, 128125, 150000, 150000
+
+};
+
+
+///////////////////////////////////////////////////////////
+// SAP forwarders
+///////////////////////////////////////////////////////////
+
+
+class UeMemberLteUeCmacSapProvider : public LteUeCmacSapProvider
+{
+public:
+ UeMemberLteUeCmacSapProvider (LteUeMac* mac);
+
+ // inherited from LteUeCmacSapProvider
+ virtual void ConfigureUe (uint16_t rnti);
+ virtual void AddLc (uint8_t lcId, LteMacSapUser* msu);
+ virtual void RemoveLc (uint8_t lcId);
+
+private:
+ LteUeMac* m_mac;
+};
+
+
+UeMemberLteUeCmacSapProvider::UeMemberLteUeCmacSapProvider (LteUeMac* mac)
+ : m_mac (mac)
+{
+}
+
+void
+UeMemberLteUeCmacSapProvider::ConfigureUe (uint16_t rnti)
+{
+ m_mac->DoConfigureUe (rnti);
+}
+
+void
+UeMemberLteUeCmacSapProvider::AddLc (uint8_t lcId, LteMacSapUser* msu)
+{
+ m_mac->DoAddLc (lcId, msu);
+}
+
+void
+UeMemberLteUeCmacSapProvider::RemoveLc (uint8_t lcid)
+{
+ m_mac->DoRemoveLc (lcid);
+}
+
+
+
+class UeMemberLteMacSapProvider : public LteMacSapProvider
+{
+public:
+ UeMemberLteMacSapProvider (LteUeMac* mac);
+
+ // inherited from LteMacSapProvider
+ virtual void TransmitPdu (TransmitPduParameters params);
+ virtual void ReportBufferStatus (ReportBufferStatusParameters params);
+
+private:
+ LteUeMac* m_mac;
+};
+
+
+UeMemberLteMacSapProvider::UeMemberLteMacSapProvider (LteUeMac* mac)
+ : m_mac (mac)
+{
+}
+
+void
+UeMemberLteMacSapProvider::TransmitPdu (TransmitPduParameters params)
+{
+ m_mac->DoTransmitPdu (params);
+}
+
+
+void
+UeMemberLteMacSapProvider::ReportBufferStatus (ReportBufferStatusParameters params)
+{
+ m_mac->DoReportBufferStatus (params);
+}
+
+
+
+
+class UeMemberUeLtePhySapUser : public LteUePhySapUser
+{
+public:
+ UeMemberUeLtePhySapUser (LteUeMac* mac);
+
+ // inherited from LtePhySapUser
+ virtual void ReceivePhyPdu (Ptr<Packet> p);
+ virtual void SubframeIndication (uint32_t frameNo, uint32_t subframeNo);
+ virtual void ReceiveIdealControlMessage (Ptr<IdealControlMessage> msg);
+
+private:
+ LteUeMac* m_mac;
+};
+
+UeMemberUeLtePhySapUser::UeMemberUeLtePhySapUser (LteUeMac* mac) : m_mac (mac)
+{
+
+}
+
+void
+UeMemberUeLtePhySapUser::ReceivePhyPdu (Ptr<Packet> p)
+{
+ m_mac->DoReceivePhyPdu (p);
+}
+
+
+void
+UeMemberUeLtePhySapUser::SubframeIndication (uint32_t frameNo, uint32_t subframeNo)
+{
+ NS_LOG_LOGIC (this << " UE-MAC does not yet support this primitive");
+}
+
+void
+UeMemberUeLtePhySapUser::ReceiveIdealControlMessage (Ptr<IdealControlMessage> msg)
+{
+ m_mac->DoReceiveIdealControlMessage (msg);
+}
+
+
+
+
+//////////////////////////////////////////////////////////
+// LteUeMac methods
+///////////////////////////////////////////////////////////
+
+
+TypeId
+LteUeMac::GetTypeId (void)
+{
+ static TypeId tid = TypeId ("ns3::LteUeMac")
+ .SetParent<Object> ()
+ .AddConstructor<LteUeMac> ();
+ return tid;
+}
+
+
+LteUeMac::LteUeMac ()
+{
+ m_macSapProvider = new UeMemberLteMacSapProvider (this);
+ m_cmacSapProvider = new UeMemberLteUeCmacSapProvider (this);
+ m_uePhySapUser = new UeMemberUeLtePhySapUser (this);
+}
+
+
+LteUeMac::~LteUeMac ()
+{
+}
+
+void
+LteUeMac::DoDispose ()
+{
+ delete m_macSapProvider;
+ delete m_cmacSapProvider;
+ Object::DoDispose ();
+}
+
+
+LteUePhySapUser*
+LteUeMac::GetLteUePhySapUser (void)
+{
+ return m_uePhySapUser;
+}
+
+void
+LteUeMac::SetLteUePhySapProvider (LteUePhySapProvider* s)
+{
+ m_uePhySapProvider = s;
+}
+
+
+LteMacSapProvider*
+LteUeMac::GetLteMacSapProvider (void)
+{
+ return m_macSapProvider;
+}
+
+void
+LteUeMac::SetLteUeCmacSapUser (LteUeCmacSapUser* s)
+{
+ m_cmacSapUser = s;
+}
+
+LteUeCmacSapProvider*
+LteUeMac::GetLteUeCmacSapProvider (void)
+{
+ return m_cmacSapProvider;
+}
+
+
+void
+LteUeMac::DoTransmitPdu (LteMacSapProvider::TransmitPduParameters params)
+{
+ NS_LOG_FUNCTION (this);
+ NS_ASSERT_MSG (m_rnti == params.rnti, "RNTI mismatch between RLC and MAC");
+ LteMacTag tag (params.rnti, params.lcid);
+ params.pdu->AddPacketTag (tag);
+// Ptr<PacketBurst> pb = CreateObject<PacketBurst> ();
+// pb->AddPacket (params.pdu);
+ m_uePhySapProvider->SendMacPdu (params.pdu);
+ // Uplink not implemented yet, so we wait can wait for the PHY SAP
+ // to be defined before we implement the transmission method.
+}
+
+void
+LteUeMac::DoReportBufferStatus (LteMacSapProvider::ReportBufferStatusParameters params)
+{
+ NS_LOG_FUNCTION (this);
+ MacCeListElement_s bsr;
+ bsr.m_rnti = m_rnti;
+ bsr.m_macCeType = MacCeListElement_s::BSR;
+ // short BSR
+ int queue = params.txQueueSize;
+ int index = 0;
+ if (BufferSizeLevelBsr[63] < queue)
+ {
+ index = 63;
+ }
+ else
+ {
+ while (BufferSizeLevelBsr[index] < queue)
+ {
+ index++;
+ }
+ }
+ bsr.m_macCeValue.m_bufferStatus.push_back (index);
+
+ // create the feedback to eNB
+ Ptr<BsrIdealControlMessage> msg = Create<BsrIdealControlMessage> ();
+ msg->SetBsr (bsr);
+ m_uePhySapProvider->SendIdealControlMessage (msg);
+
+}
+
+void
+LteUeMac::DoConfigureUe (uint16_t rnti)
+{
+ NS_LOG_FUNCTION (this << " rnti" << rnti);
+ m_rnti = rnti;
+}
+
+void
+LteUeMac::DoAddLc (uint8_t lcId, LteMacSapUser* msu)
+{
+ NS_LOG_FUNCTION (this << " lcId" << lcId);
+ NS_ASSERT_MSG (m_macSapUserMap.find (lcId) == m_macSapUserMap.end (), "cannot add channel because LCID " << lcId << " is already present");
+ m_macSapUserMap[lcId] = msu;
+}
+
+void
+LteUeMac::DoRemoveLc (uint8_t lcId)
+{
+ NS_LOG_FUNCTION (this << " lcId" << lcId);
+ NS_ASSERT_MSG (m_macSapUserMap.find (lcId) == m_macSapUserMap.end (), "could not find LCID " << lcId);
+ m_macSapUserMap.erase (lcId);
+}
+
+
+void
+LteUeMac::DoReceivePhyPdu (Ptr<Packet> p)
+{
+ LteMacTag tag;
+ p->RemovePacketTag (tag);
+ if (tag.GetRnti () == m_rnti)
+ {
+ // packet is for the current user
+ std::map <uint8_t, LteMacSapUser*>::const_iterator it = m_macSapUserMap.find (tag.GetLcid ());
+ NS_ASSERT_MSG (it != m_macSapUserMap.end (), "received packet with unknown lcid");
+ it->second->ReceivePdu (p);
+ }
+}
+
+
+void
+LteUeMac::DoReceiveIdealControlMessage (Ptr<IdealControlMessage> msg)
+{
+ NS_LOG_FUNCTION (this);
+ if (msg->GetMessageType () == IdealControlMessage::UL_DCI)
+ {
+ Ptr<UlDciIdealControlMessage> msg2 = DynamicCast<UlDciIdealControlMessage> (msg);
+ UlDciListElement_s dci = msg2->GetDci ();
+ std::map <uint8_t, LteMacSapUser*>::iterator it;
+ it = m_macSapUserMap.begin (); // use only the first LC --> UE-SCHEDULER??
+ (*it).second->NotifyTxOpportunity (dci.m_tbSize);
+
+ }
+ else
+ {
+ NS_LOG_FUNCTION (this << " IdealControlMessage not recognized");
+ }
+}
+
+
+} // namespace ns3