MT_WMM_AIFSN_SHIFT
val &= ~(MT_WMM_AIFSN_MASK << MT_WMM_AIFSN_SHIFT(queue));
val |= params->aifs << MT_WMM_AIFSN_SHIFT(queue);
val &= ~(MT_WMM_AIFSN_MASK << MT_WMM_AIFSN_SHIFT(qid));
val |= params->aifs << MT_WMM_AIFSN_SHIFT(qid);
val &= ~(MT_WMM_AIFSN_MASK << MT_WMM_AIFSN_SHIFT(hw_q));
val |= params->aifs << MT_WMM_AIFSN_SHIFT(hw_q);