HAL_CAP_CIPHER
case HAL_CAP_CIPHER: /* cipher handled in hardware */
case HAL_CAP_CIPHER: /* cipher handled in hardware */
case HAL_CAP_CIPHER: /* cipher handled in hardware */
case HAL_CAP_CIPHER: /* cipher handled in hardware */
(ath_hal_getcapability(_ah, HAL_CAP_CIPHER, _cipher, NULL) == HAL_OK)