ADF_PFVF_BLKMSG_HEADER_SIZE
(sizeof(blkmsg) - ADF_PFVF_BLKMSG_HEADER_SIZE)
(ADF_PFVF_BLKMSG_HEADER_SIZE + (blkmsg)->hdr.payload_size)
if (unlikely(*buffer_len < ADF_PFVF_BLKMSG_HEADER_SIZE)) {
ADF_PFVF_BLKMSG_HEADER_SIZE + buffer[ADF_PFVF_BLKMSG_LEN_BYTE];
for (index = ADF_PFVF_BLKMSG_HEADER_SIZE; index < msg_len; index++) {