BMAC_C_S_MSK_REG
BMAC_REG_RD(handle, portn, BMAC_C_S_MSK_REG, &val);
BMAC_REG_WR(handle, portn, BMAC_C_S_MSK_REG, val);
BMAC_REG_WR(handle, portn, BMAC_C_S_MSK_REG, ~iconfig);
BMAC_C_S_MSK_REG,
