R92C_SIFS_OFDM
rtwn_write_1(sc, R92C_SIFS_OFDM + 1, 10);
rtwn_write_2(sc, R92C_SIFS_OFDM, 0x0e0e);
rtwn_write_2(sc, R92C_SIFS_OFDM, 0x100a);