2986 	u32 rctl, rxdctl;  in em_flush_rx_ring()  local
2988 	rctl = E1000_READ_REG(hw, E1000_RCTL);  in em_flush_rx_ring()
2989 	E1000_WRITE_REG(hw, E1000_RCTL, rctl & ~E1000_RCTL_EN);  in em_flush_rx_ring()
3005 	E1000_WRITE_REG(hw, E1000_RCTL, rctl | E1000_RCTL_EN);  in em_flush_rx_ring()
3008 	E1000_WRITE_REG(hw, E1000_RCTL, rctl & ~E1000_RCTL_EN);  in em_flush_rx_ring()
3785 	uint32_t rctl, rxcsum;  in em_initialize_receive_unit()  local
3793 	rctl = E1000_READ_REG(hw, E1000_RCTL);  in em_initialize_receive_unit()
3796 		E1000_WRITE_REG(hw, E1000_RCTL, rctl & ~E1000_RCTL_EN);  in em_initialize_receive_unit()
3799 	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);  in em_initialize_receive_unit()
3800 	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |  in em_initialize_receive_unit()
3805 	rctl &= ~E1000_RCTL_SBP;  in em_initialize_receive_unit()
3809 		rctl |= E1000_RCTL_LPE;  in em_initialize_receive_unit()
3811 		rctl &= ~E1000_RCTL_LPE;  in em_initialize_receive_unit()
3815 		rctl |= E1000_RCTL_SECRC;  in em_initialize_receive_unit()
3997 	rctl &= ~E1000_RCTL_VFE;  in em_initialize_receive_unit()
4002 			rctl |= E1000_RCTL_SZ_4096 | E1000_RCTL_BSEX;  in em_initialize_receive_unit()
4004 			rctl |= E1000_RCTL_SZ_8192 | E1000_RCTL_BSEX;  in em_initialize_receive_unit()
4006 			rctl |= E1000_RCTL_SZ_16384 | E1000_RCTL_BSEX;  in em_initialize_receive_unit()
4008 			rctl |= E1000_RCTL_SZ_2048;  in em_initialize_receive_unit()
4009 			rctl &= ~E1000_RCTL_BSEX;  in em_initialize_receive_unit()
4012 		rctl |= E1000_RCTL_SZ_2048;  in em_initialize_receive_unit()
4021 	rctl &= ~0x00000C00;  in em_initialize_receive_unit()
4024 	E1000_WRITE_REG(hw, E1000_RCTL, rctl);  in em_initialize_receive_unit()
4511 	u32 ctrl, ctrl_ext, rctl;  in em_enable_wakeup()  local
4529 		rctl = E1000_READ_REG(&sc->hw, E1000_RCTL);  in em_enable_wakeup()
4530 		rctl |= E1000_RCTL_MPE;  in em_enable_wakeup()
4531 		E1000_WRITE_REG(&sc->hw, E1000_RCTL, rctl);  in em_enable_wakeup()