SIS_CSR_RX_DISABLE 1833 dev/pci/if_sis.c 	SIS_CLRBIT(sc, SIS_CSR, SIS_CSR_TX_DISABLE|SIS_CSR_RX_DISABLE);
SIS_CSR_RX_DISABLE 2022 dev/pci/if_sis.c 	SIS_SETBIT(sc, SIS_CSR, SIS_CSR_TX_DISABLE|SIS_CSR_RX_DISABLE);