OWNED_BY_NIC
vptr->rx.ring[dirty].rdesc0.len |= OWNED_BY_NIC;
if (rd->rdesc0.len & OWNED_BY_NIC)
if (td->tdesc0.len & OWNED_BY_NIC)
if (rd->rdesc0.len & OWNED_BY_NIC)
td_ptr->tdesc0.len |= OWNED_BY_NIC;
vptr->rx.ring[i].rdesc0.len |= OWNED_BY_NIC;