F5/unison
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

discard duplicate AMD PDU segments

Browse Source
This commit is contained in:
Nicola Baldo
2013-12-11 13:12:52 +01:00
parent eb3a9225fe
commit 39afbfc8c8
1 changed files with 14 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
src/lte/model/lte-rlc-am.cc
View File

@@ -877,12 +877,22 @@ LteRlcAm::DoReceivePdu (Ptr<Packet> p)
}
else
{
NS_LOG_LOGIC ("Place PDU in the reception buffer ( SN = " << seqNumber << " )");
m_rxonBuffer[ seqNumber.GetValue () ].m_byteSegments.push_back (p);
m_rxonBuffer[ seqNumber.GetValue () ].m_pduComplete = true;
// - if some byte segments of the AMD PDU contained in the RLC data PDU have been received before:
// - discard the duplicate byte segments.
// note: re-segmentation of AMD PDU is currently not supported,
// so we just check that the segment was not received before
if (m_rxonBuffer[ seqNumber.GetValue () ].m_byteSegments.size () == 1)
{
NS_LOG_LOGIC ("PDU segment already received, discarded");
}
else
{
NS_LOG_LOGIC ("Place PDU in the reception buffer ( SN = " << seqNumber << " )");
m_rxonBuffer[ seqNumber.GetValue () ].m_byteSegments.push_back (p);
m_rxonBuffer[ seqNumber.GetValue () ].m_pduComplete = true;
}
}
// 5.1.3.2.3 Actions when a RLC data PDU is placed in the reception buffer