SL_TSD0
SLN_WRITE_4(sc, (entry * 4) + SL_TSD0, 60);
SLN_WRITE_4(sc, (entry * 4) + SL_TSD0, SL_CUR_TXBUF(sc)->m_pkthdr.len);
SLN_WRITE_4(sc, (entry * 4) + SL_TSD0, 0x30000 | SL_CUR_TXBUF(sc)->m_pkthdr.len);
SLN_WRITE_4(sc, (entry * 4) + SL_TSD0, 0x50000 | SL_CUR_TXBUF(sc)->m_pkthdr.len);
txstat = SLN_READ_4(sc, SL_TSD0 + entry * 4);