ath_draintxq
ath_draintxq(sc, ATH_RESET_DEFAULT); /* stop hw xmit side */
ath_draintxq(sc, ATH_RESET_DEFAULT);
ath_draintxq(sc, ATH_RESET_DEFAULT);
ath_draintxq(sc, reset_type); /* stop xmit side */
ath_draintxq(sc, ATH_RESET_NOLOSS);
ath_draintxq(sc, ATH_RESET_FULL); /* clear pending tx frames */