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wifi: DefaultAssocManager handles non-AP MLDs not supporting 160 MHz operations

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This commit is contained in:
Stefano Avallone
2023-11-03 17:54:54 +01:00
committed by Stefano Avallone
parent 6493a00385
commit 9b327c556b
1 changed files with 11 additions and 2 deletions
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13
src/wifi/model/wifi-default-assoc-manager.cc
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@@ -10,10 +10,12 @@
#include "wifi-default-assoc-manager.h"
#include "sta-wifi-mac.h"
#include "wifi-net-device.h"
#include "wifi-phy.h"
#include "ns3/log.h"
#include "ns3/simulator.h"
#include "ns3/vht-configuration.h"
#include <algorithm>
@@ -201,8 +203,15 @@ WifiDefaultAssocManager::EndScanning()
// switching channel while a PHY is in sleep state fails
phy->ResumeFromSleep();
}
// switch this link to using the channel used by a reported AP
// TODO check if the STA only supports a narrower channel width
// switch this link to using the channel used by a reported AP (or its primary80
// in case the reported AP is using a 160 MHz and the non-AP MLD does not support
// 160 MHz operations)
if (apChannel.GetTotalWidth() > 80 &&
!phy->GetDevice()->GetVhtConfiguration()->Get160MHzOperationSupported())
{
apChannel = apChannel.GetPrimaryChannel(80);
}
NS_LOG_DEBUG("Switch link " << +linkId << " to using " << apChannel);
phy->SetOperatingChannel(apChannel);
// actual channel switching may be delayed, thus setup a channel switch timer