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wifi: EMLSR clients send RTS as initial frame in a TXOP while MediumSyncDelay timer is running

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Stefano Avallone
2023-06-16 20:17:43 +02:00
committed by Stefano Avallone
parent b4054c72fe
commit c9dd0e4d62
1 changed files with 4 additions and 3 deletions
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7
src/wifi/model/wifi-default-protection-manager.cc
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@@ -190,8 +190,8 @@ WifiDefaultProtectionManager::GetPsduProtection(const WifiMacHeader& hdr,
return std::make_unique<WifiNoProtection>();
}
// when an EMLSR client starts an UL TXOP on a link on which the main PHY is not operating,
// the aux PHY sends an RTS frame
// when an EMLSR client starts an UL TXOP on a link while the MediumSyncDelay timer is running
// or on a link on which the main PHY is not operating, it needs to send an RTS frame
bool emlsrNeedRts = false;
if (auto staMac = DynamicCast<StaWifiMac>(m_mac))
@@ -199,7 +199,8 @@ WifiDefaultProtectionManager::GetPsduProtection(const WifiMacHeader& hdr,
auto emlsrManager = staMac->GetEmlsrManager();
emlsrNeedRts = emlsrManager && staMac->IsEmlsrLink(m_linkId) &&
m_mac->GetLinkForPhy(emlsrManager->GetMainPhyId()) != m_linkId;
(emlsrManager->GetElapsedMediumSyncDelayTimer(m_linkId) ||
m_mac->GetLinkForPhy(emlsrManager->GetMainPhyId()) != m_linkId);
}
// check if RTS/CTS is needed