(ath_hal_getcapability(_ah, HAL_CAP_RTS_AGGR_LIMIT, 0, _pv) == HAL_OK)
#define ath_hal_setrxfilter(_ah, _filter) \
((*(_ah)->ah_setRxFilter)((_ah), (_filter)))
(ath_hal_getcapability(_ah, HAL_CAP_RTS_AGGR_LIMIT, 0, _pv) == HAL_OK)
#define ath_hal_setrxfilter(_ah, _filter) \
((*(_ah)->ah_setRxFilter)((_ah), (_filter)))