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

wifi: Do not receive a packet sent with an unsupported channel width

Browse Source
This commit is contained in:
Sébastien Deronne
2019-05-23 15:19:02 +02:00
committed by Sebastien Deronne
parent 2d5713f6b5
commit 7309a96f37
1 changed files with 9 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
src/wifi/model/wifi-phy.cc
View File

@@ -2692,6 +2692,14 @@ WifiPhy::StartReceiveHeader (Ptr<Event> event, Time rxDuration)
return;
}
if ((txVector.GetChannelWidth () >= 40) && (txVector.GetChannelWidth () > GetChannelWidth ()))
{
NS_LOG_DEBUG ("Packet reception could not be started because not enough channel width");
NotifyRxDrop (event->GetPacket (), UNSUPPORTED_SETTINGS);
MaybeCcaBusyDuration ();
return;
}
if ((txVector.GetMode ().GetModulationClass () == WIFI_MOD_CLASS_HT) && (txVector.GetPreambleType () == WIFI_PREAMBLE_HT_GF))
{
//No non-HT PHY header for HT GF
@@ -3001,6 +3009,7 @@ WifiPhy::StartReceivePayload (Ptr<Event> event)
{
InterferenceHelper::SnrPer snrPer;
snrPer = m_interference.CalculateHtPhyHeaderSnrPer (event);
NS_LOG_DEBUG ("snr(dB)=" << RatioToDb (snrPer.snr) << ", per=" << snrPer.per);
canReceivePayload = (m_random->GetValue () > snrPer.per);
}
else