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wifi: Perform instantaneous channel switch when resizing aux PHY channel width

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This commit is contained in:
Stefano Avallone
2024-01-29 13:41:46 +01:00
committed by Stefano Avallone
parent 1006029aab
commit 012031c79d
1 changed files with 5 additions and 1 deletions
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6
src/wifi/model/eht/emlsr-manager.cc
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@@ -987,7 +987,11 @@ EmlsrManager::ApplyMaxChannelWidthAndModClassOnAuxPhys()
auto cam = m_staMac->GetChannelAccessManager(linkId);
cam->NotifySwitchingEmlsrLink(auxPhy, channel, linkId);
// apply channel width limitation assuming an instantaneous channel switch
const auto delay = auxPhy->GetChannelSwitchDelay();
auxPhy->SetAttribute("ChannelSwitchDelay", TimeValue(Time{0}));
auxPhy->SetOperatingChannel(channel);
auxPhy->SetAttribute("ChannelSwitchDelay", TimeValue(delay));
// the way the ChannelAccessManager handles EMLSR link switch implies that a PHY listener
// is removed when the channel switch starts and another one is attached when the channel
@@ -995,7 +999,7 @@ EmlsrManager::ApplyMaxChannelWidthAndModClassOnAuxPhys()
// reset all backoffs (so that access timeout is also cancelled) when the channel switch
// starts and request channel access (if needed) when the channel switch ends.
cam->ResetAllBackoffs();
Simulator::Schedule(auxPhy->GetChannelSwitchDelay(), [=, this]() {
Simulator::ScheduleNow([=, this]() {
for (const auto& [acIndex, ac] : wifiAcList)
{
m_staMac->GetQosTxop(acIndex)->StartAccessAfterEvent(