OFFSET_4
ECM_CONFIG0_REG_0_ADDR + pdata->port_id * OFFSET_4;
icm2_addr = ICM_CONFIG2_REG_0_ADDR + p->port_id * OFFSET_4;
offset = p->port_id * OFFSET_4;
ICM_ECM_DROP_COUNT_REG0_ADDR + pdata->port_id * OFFSET_4;