REG_FPGA0_TX_INFO
val32 = rtl8xxxu_read32(priv, REG_FPGA0_TX_INFO);
rtl8xxxu_write32(priv, REG_FPGA0_TX_INFO, val32);
rtl8xxxu_write32(priv, REG_FPGA0_TX_INFO, 0x00000003);