PDK API Guide for J721E
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Host-mode packet and buffer descriptor.
This structure is used for host-mode packet descriptors and buffer descriptors.
Data Fields | |
uint32_t | descInfo |
uint32_t | pktInfo1 |
uint32_t | pktInfo2 |
uint32_t | srcDstTag |
uint64_t | nextDescPtr |
uint64_t | bufPtr |
uint32_t | bufInfo1 |
uint32_t | orgBufLen |
uint64_t | orgBufPtr |
uint32_t CSL_UdmapCppi5HMPD::descInfo |
word 0: Packet information word 0 (not used in Buffer descriptors)
uint32_t CSL_UdmapCppi5HMPD::pktInfo1 |
word 1: Packet information word 1 (not used in Buffer descriptors)
uint32_t CSL_UdmapCppi5HMPD::pktInfo2 |
word 2: Packet information word 2 | Buffer reclamation information
uint32_t CSL_UdmapCppi5HMPD::srcDstTag |
word 3: Packet information word 3 (not used in Buffer descriptors)
uint64_t CSL_UdmapCppi5HMPD::nextDescPtr |
words 4/5: Linking word
uint64_t CSL_UdmapCppi5HMPD::bufPtr |
words 6/7: Buffer 0 information words 0 and 1 (PD words 6 and 7)
uint32_t CSL_UdmapCppi5HMPD::bufInfo1 |
word 8: Buffer 0 information word 2 (PD word 8)
uint32_t CSL_UdmapCppi5HMPD::orgBufLen |
word 9: Original buffer 0 information word 0 (PD word 9)
uint64_t CSL_UdmapCppi5HMPD::orgBufPtr |
words 10/11: Original buffer 0 information words 1 and 2 (PD words 10 and 11)