TDES3_OWN
ctxt_txd->sd_tdes3 |= (TDES3_CTXT | TDES3_OWN);
txd->sd_tdes3 |= TDES3_OWN;
txd_start->sd_tdes3 |= TDES3_OWN;
if (txd->sd_tdes3 & TDES3_OWN)