--- /dev/null
+Index: madwifi-dfs-r3252/ath/if_ath.c
+===================================================================
+--- madwifi-dfs-r3252.orig/ath/if_ath.c 2008-01-26 05:46:05.078738026 +0100
++++ madwifi-dfs-r3252/ath/if_ath.c 2008-01-26 05:46:09.658999042 +0100
+@@ -8626,6 +8626,10 @@
+
+ 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 */