NvRegPacketFilterFlags
u32 pff = readl(base + NvRegPacketFilterFlags) & NVREG_PFF_PAUSE_RX;
writel(pff, base + NvRegPacketFilterFlags);
u32 pff = readl(base + NvRegPacketFilterFlags) & ~NVREG_PFF_PAUSE_RX;
writel(pff|NVREG_PFF_PAUSE_RX, base + NvRegPacketFilterFlags);
writel(pff, base + NvRegPacketFilterFlags);
filter_flags = readl(base + NvRegPacketFilterFlags);
writel(NVREG_PFF_ALWAYS | NVREG_PFF_LOOPBACK, base + NvRegPacketFilterFlags);
writel(filter_flags, base + NvRegPacketFilterFlags);
writel(0, base + NvRegPacketFilterFlags);
writel(NVREG_PFF_ALWAYS, base + NvRegPacketFilterFlags);
writel(NVREG_PFF_ALWAYS|NVREG_PFF_MYADDR, base + NvRegPacketFilterFlags);
writel(NVREG_PFF_ALWAYS|NVREG_PFF_MYADDR, base + NvRegPacketFilterFlags);