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wifi: Prevent issues when no PHY is connected to CAM

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This commit is contained in:
Stefano Avallone
2024-01-30 16:26:09 +01:00
parent 1759450302
commit feff08fd3f
1 changed files with 6 additions and 4 deletions
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10
src/wifi/model/channel-access-manager.cc
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@@ -419,8 +419,9 @@ ChannelAccessManager::NeedBackoffUponAccess(Ptr<Txop> txop,
{
NS_LOG_FUNCTION(this << txop << hadFramesToTransmit << checkMediumBusy);
// No backoff needed if in sleep mode or off
if (m_sleeping || m_off)
// No backoff needed if in sleep mode or off. Checking if m_phy is nullptr is a workaround
// needed for EMLSR and may be removed in the future
if (m_sleeping || m_off || !m_phy)
{
return false;
}
@@ -479,8 +480,9 @@ ChannelAccessManager::RequestAccess(Ptr<Txop> txop)
{
m_phy->NotifyChannelAccessRequested();
}
// Deny access if in sleep mode or off
if (m_sleeping || m_off)
// Deny access if in sleep mode or off. Checking if m_phy is nullptr is a workaround
// needed for EMLSR and may be removed in the future
if (m_sleeping || m_off || !m_phy)
{
return;
}