ADF_PFVF_BLKMSG_LEN_BYTE
ADF_PFVF_BLKMSG_LEN_BYTE,
&buffer[ADF_PFVF_BLKMSG_LEN_BYTE]);
if (unlikely(!buffer[ADF_PFVF_BLKMSG_LEN_BYTE])) {
ADF_PFVF_BLKMSG_HEADER_SIZE + buffer[ADF_PFVF_BLKMSG_LEN_BYTE];