SUNI1x10GEXP_REG_IFLX_FIFO_OVERFLOW_ENABLE
pmwrite(cmac, SUNI1x10GEXP_REG_IFLX_FIFO_OVERFLOW_ENABLE, 0xffff);
pmwrite(cmac, SUNI1x10GEXP_REG_IFLX_FIFO_OVERFLOW_ENABLE, 0);