--- /dev/null
+--- a/ath/if_ath.c
++++ b/ath/if_ath.c
+@@ -8692,6 +8692,10 @@
+
+ sc->sc_rxbufcur = NULL;
+
++ /* configure bssid mask */
++ if (sc->sc_hasbmask)
++ ath_hal_setbssidmask(ah, sc->sc_bssidmask);
++
+ bf = STAILQ_FIRST(&sc->sc_rxbuf);
+ ath_hal_putrxbuf(ah, bf->bf_daddr);
+ ath_hal_rxena(ah); /* enable recv descriptors */