DRB_HDR_DTYP
if (FIELD_GET(DRB_HDR_DTYP, le32_to_cpu(cur_drb->header)) == DES_DTYP_PD) {
drb->header = cpu_to_le32(FIELD_PREP(DRB_HDR_DTYP, DES_DTYP_MSG) |
header = FIELD_PREP(DRB_HDR_DTYP, DES_DTYP_PD) | FIELD_PREP(DRB_HDR_DATA_LEN, pkt_size);