R92C_TXPAUSE
urtwn_write_1(sc, R92C_TXPAUSE,
urtwn_read_1(sc, R92C_TXPAUSE) | R92C_TX_QUEUE_AC);
urtwn_write_1(sc, R92C_TXPAUSE, 0);
urtwn_write_1(sc, R92C_TXPAUSE, R92C_TX_QUEUE_ALL);
urtwn_write_1(sc, R92C_TXPAUSE, R92C_TX_QUEUE_ALL);
urtwn_write_1(sc, R92C_TXPAUSE, R92C_TX_QUEUE_ALL);
urtwn_write_1(sc, R92C_TXPAUSE, 0x00);