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wifi: Extend EMLSR test to check that SwitchMainPhyBackDelay timer expires

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This commit is contained in:
Stefano Avallone
2024-08-14 10:42:14 +02:00
committed by Stefano Avallone
parent f95d5030d8
commit 60853792b2
2 changed files with 39 additions and 4 deletions
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39
src/wifi/test/wifi-emlsr-test.cc
View File

@@ -2592,7 +2592,8 @@ EmlsrUlTxopTest::EmlsrUlTxopTest(const Params& params)
m_countRtsframes(0),
m_genBackoffIfTxopWithoutTx(params.genBackoffAndUseAuxPhyCca),
m_useAuxPhyCca(params.genBackoffAndUseAuxPhyCca),
m_nSlotsLeftAlert(params.nSlotsLeftAlert)
m_nSlotsLeftAlert(params.nSlotsLeftAlert),
m_switchMainPhyBackDelayTimeout(params.switchMainPhyBackDelayTimeout)
{
m_nEmlsrStations = 1;
m_nNonEmlsrStations = 0;
@@ -3217,6 +3218,34 @@ EmlsrUlTxopTest::CheckBlockAck(const WifiConstPsduMap& psduMap,
false,
false);
if (m_switchMainPhyBackDelayTimeout)
{
TimeValue switchMainPhyBackDelay;
m_staMacs[0]->GetEmlsrManager()->GetAttribute("SwitchMainPhyBackDelay",
switchMainPhyBackDelay);
// set the NAV on all the links for enough time to make the
// SwitchMainPhyBackDelay timer expire
for (uint8_t id = 0; id < m_staMacs[0]->GetNLinks(); ++id)
{
if (!m_staMacs[0]->GetWifiPhy(id))
{
continue; // no PHY on this link
}
m_staMacs[0]->GetChannelAccessManager(id)->NotifyNavStartNow(
2 * switchMainPhyBackDelay.Get());
}
// check that the SwitchMainPhyBackDelay timer expires
Simulator::Schedule(2 * switchMainPhyBackDelay.Get() - mainPhy->GetPifs(),
[=, this]() {
CheckMainPhyTraceInfo(0,
"TxopNotGainedOnAuxPhyLink",
std::nullopt,
m_mainPhyId,
false);
});
}
// events to be scheduled when main PHY finishes switching to auxiliary link
Simulator::Schedule(mainPhy->GetDelayUntilIdle(), [=, this]() {
auto nonPrimLinkId = m_staMacs[0]->GetLinkForPhy(mainPhy);
@@ -3685,7 +3714,7 @@ EmlsrUlTxopTest::CheckResults()
// transmission is done (if the backoff expires while the main PHY is switching, a new
// backoff is generated and, before this backoff expires, the main PHY may be requested
// to switch to another auxiliary link; this may happen multiple times...)
if (!m_genBackoffIfTxopWithoutTx)
if (!m_genBackoffIfTxopWithoutTx && !m_switchMainPhyBackDelayTimeout)
{
NS_TEST_EXPECT_MSG_LT_OR_EQ(psduIt->startTx,
m_5thQosFrameTxTime,
@@ -4931,7 +4960,8 @@ WifiEmlsrTestSuite::WifiEmlsrTestSuite()
3,
genBackoffAndUseAuxPhyCca,
nSlotsLeft,
true /* putAuxPhyToSleep */}),
true, /* putAuxPhyToSleep */
false /* switchMainPhyBackDelayTimeout */}),
TestCase::Duration::QUICK);
AddTestCase(new EmlsrUlTxopTest({{0, 1},
40,
@@ -4940,7 +4970,8 @@ WifiEmlsrTestSuite::WifiEmlsrTestSuite()
1,
genBackoffAndUseAuxPhyCca,
nSlotsLeft,
false /* putAuxPhyToSleep */}),
false, /* putAuxPhyToSleep */
true /* switchMainPhyBackDelayTimeout */}),
TestCase::Duration::QUICK);
}
}

4
src/wifi/test/wifi-emlsr-test.h
View File

@@ -609,6 +609,8 @@ class EmlsrUlTxopTest : public EmlsrOperationsTestBase
uint8_t nSlotsLeftAlert; //!< value to set the ChannelAccessManager NSlotsLeft
//!< attribute to
bool putAuxPhyToSleep; //!< whether aux PHYs are put to sleep during DL/UL TXOPs
bool switchMainPhyBackDelayTimeout; //!< whether a SwitchMainPhyBackDelay timer expires
//!< after that the main PHY moved to an aux PHY link
};
/**
@@ -714,6 +716,8 @@ class EmlsrUlTxopTest : public EmlsrOperationsTestBase
bool m_useAuxPhyCca; //!< whether CCA info from aux PHY is used when
//!< aux PHY is not TX capable
uint8_t m_nSlotsLeftAlert; //!< value for ChannelAccessManager NSlotsLeft attribute
bool m_switchMainPhyBackDelayTimeout; //!< whether a SwitchMainPhyBackDelay timer expires
//!< after that the main PHY moved to an aux PHY link
std::optional<bool> m_corruptCts; //!< whether the transmitted CTS must be corrupted
Time m_5thQosFrameTxTime; //!< start transmission time of the 5th QoS data frame
};