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eth_dma_tx_descriptor_t struct
Ethernet DMA TX Descriptor
Syntax
typedef struct
{
volatile union {
struct {
uint32_t Deferred : 1;
uint32_t UnderflowErr : 1;
uint32_t ExcessiveDeferral : 1;
uint32_t CollisionCount : 4;
uint32_t VLanFrame : 1;
uint32_t ExcessiveCollision : 1;
uint32_t LateCollision : 1;
uint32_t NoCarrier : 1;
uint32_t LossCarrier : 1;
uint32_t PayloadChecksumErr : 1;
uint32_t FrameFlushed : 1;
uint32_t JabberTimeout : 1;
uint32_t ErrSummary : 1;
uint32_t IPHeadErr : 1;
uint32_t TxTimestampStatus : 1;
uint32_t VLANInsertControl : 2;
uint32_t SecondAddressChained : 1;
uint32_t TransmitEndRing : 1;
uint32_t ChecksumInsertControl : 2;
uint32_t CRCReplacementControl : 1;
uint32_t TransmitTimestampEnable : 1;
uint32_t DisablePad : 1;
uint32_t DisableCRC : 1;
uint32_t FirstSegment : 1;
uint32_t LastSegment : 1;
uint32_t InterruptOnComplete : 1;
uint32_t Own : 1;
};
uint32_t Value;
} TDES0;
union {
struct {
uint32_t TransmitBuffer1Size : 13;
uint32_t Reserved : 3;
uint32_t TransmitBuffer2Size : 13;
uint32_t SAInsertControl : 3;
};
uint32_t Value;
} TDES1;
uint32_t Buffer1Addr;
uint32_t Buffer2NextDescAddr;
uint32_t Reserved1;
uint32_t Reserved2;
uint32_t TimeStampLow;
uint32_t TimeStampHigh;
#if SOC_CACHE_INTERNAL_MEM_VIA_L1CACHE
uint8_t CacheAlign[EMAC_HAL_DMA_DESC_SIZE - 32];
#endif
} eth_dma_tx_descriptor_t;
Fields
Field
Declared as
Description
volatile union {
struct {
uint32_t Deferred : 1;
uint32_t UnderflowErr : 1;
uint32_t ExcessiveDeferral : 1;
uint32_t CollisionCount : 4;
uint32_t VLanFrame : 1;
uint32_t ExcessiveCollision : 1;
uint32_t LateCollision : 1;
uint32_t NoCarrier : 1;
uint32_t LossCarrier : 1;
uint32_t PayloadChecksumErr : 1;
uint32_t FrameFlushed : 1;
uint32_t JabberTimeout : 1;
uint32_t ErrSummary : 1;
uint32_t IPHeadErr : 1;
uint32_t TxTimestampStatus : 1;
uint32_t VLANInsertControl : 2;
uint32_t SecondAddressChained : 1;
uint32_t TransmitEndRing : 1;
uint32_t ChecksumInsertControl : 2;
uint32_t CRCReplacementControl : 1;
uint32_t TransmitTimestampEnable : 1;
uint32_t DisablePad : 1;
uint32_t DisableCRC : 1;
uint32_t FirstSegment : 1;
uint32_t LastSegment : 1;
uint32_t InterruptOnComplete : 1;
uint32_t Own : 1;
};
uint32_t Value;
}
union {
struct {
uint32_t TransmitBuffer1Size : 13;
uint32_t Reserved : 3;
uint32_t TransmitBuffer2Size : 13;
uint32_t SAInsertControl : 3;
};
uint32_t Value;
}