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[fuzz] implement transmit radio callbacks (#4625)

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- otPlatRadioTxStarted
- otPlatRadioTxDone
This commit is contained in:
Jonathan Hui
2020-03-04 10:20:10 -08:00
parent 50a06f80a1
commit afe57bf36d
1 changed files with 49 additions and 3 deletions
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tests/fuzz/fuzzer_platform.cpp
+49 -3
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@@ -42,19 +42,43 @@
#include <openthread/platform/settings.h>
#include <openthread/platform/uart.h>
#include "mac/mac_frame.hpp"
using namespace ot;
typedef struct AlarmState
{
uint32_t fire;
bool isRunning;
} AlarmState;
enum
{
IEEE802154_ACK_LENGTH = 5,
IEEE802154_FRAME_TYPE_ACK = 2 << 0,
};
static uint32_t sAlarmNow;
static AlarmState sAlarmMilli;
static AlarmState sAlarmMicro;
static uint32_t sRandomState = 1;
static uint8_t sRadioTransmitPsdu[OT_RADIO_FRAME_MAX_SIZE];
static otRadioFrame sRadioTransmitFrame = {.mPsdu = sRadioTransmitPsdu};
static bool sResetWasRequested = false;
static uint8_t sRadioAckPsdu[OT_RADIO_FRAME_MAX_SIZE];
static otRadioFrame sRadioAckFrame = {.mPsdu = sRadioAckPsdu};
static bool sResetWasRequested = false;
static otRadioState sRadioState = OT_RADIO_STATE_DISABLED;
bool otMacFrameIsAckRequested(const otRadioFrame *aFrame)
{
return static_cast<const Mac::Frame *>(aFrame)->GetAckRequest();
}
uint8_t otMacFrameGetSequence(const otRadioFrame *aFrame)
{
return static_cast<const Mac::Frame *>(aFrame)->GetSequence();
}
void FuzzerPlatformInit(void)
{
@@ -66,6 +90,26 @@ void FuzzerPlatformInit(void)
void FuzzerPlatformProcess(otInstance *aInstance)
{
if (sRadioState == OT_RADIO_STATE_TRANSMIT)
{
sRadioState = OT_RADIO_STATE_RECEIVE;
if (otMacFrameIsAckRequested(&sRadioTransmitFrame))
{
sRadioAckFrame.mLength = IEEE802154_ACK_LENGTH;
sRadioAckFrame.mPsdu[0] = IEEE802154_FRAME_TYPE_ACK;
sRadioAckFrame.mPsdu[1] = 0;
sRadioAckFrame.mPsdu[2] = otMacFrameGetSequence(&sRadioTransmitFrame);
sRadioAckFrame.mChannel = sRadioTransmitFrame.mChannel;
otPlatRadioTxDone(aInstance, &sRadioTransmitFrame, &sRadioAckFrame, OT_ERROR_NONE);
}
else
{
otPlatRadioTxDone(aInstance, &sRadioTransmitFrame, NULL, OT_ERROR_NONE);
}
}
if (sAlarmMilli.isRunning || sAlarmMicro.isRunning)
{
uint32_t fire = UINT32_MAX;
@@ -256,8 +300,10 @@ otError otPlatRadioReceive(otInstance *aInstance, uint8_t aChannel)
otError otPlatRadioTransmit(otInstance *aInstance, otRadioFrame *aFrame)
{
OT_UNUSED_VARIABLE(aInstance);
OT_UNUSED_VARIABLE(aFrame);
sRadioState = OT_RADIO_STATE_TRANSMIT;
otPlatRadioTxStarted(aInstance, aFrame);
return OT_ERROR_NONE;
}