PKTPG_LINE_CTL
CS_WRITE_PACKET_PAGE(PKTPG_LINE_CTL, LINE_CTL_RX_ON | LINE_CTL_TX_ON);
CS_WRITE_PACKET_PAGE(PKTPG_LINE_CTL, 0);
CS_WRITE_PACKET_PAGE(sc, PKTPG_LINE_CTL, LINE_CTL_10BASET);
CS_WRITE_PACKET_PAGE(sc, PKTPG_LINE_CTL, LINE_CTL_AUI_ONLY);
CS_WRITE_PACKET_PAGE(sc, PKTPG_LINE_CTL,
CS_READ_PACKET_PAGE(sc, PKTPG_LINE_CTL) |
CS_WRITE_PACKET_PAGE(sc, PKTPG_LINE_CTL,
CS_READ_PACKET_PAGE(sc, PKTPG_LINE_CTL) &