RL_ADDR_HI
txptr->so1.TxBuffH = htole32(RL_ADDR_HI(segs->ds_addr));
rxptr->so0.RxBuffH = htole32(RL_ADDR_HI(segs->ds_addr));
CSR_WRITE_4(sc, 0xe8, RL_ADDR_HI(segs->ds_addr));
CSR_WRITE_4(sc, 0x24, RL_ADDR_HI(segs->ds_addr));