--- /dev/null
+--- a/ath/if_ath.c
++++ b/ath/if_ath.c
+@@ -4466,7 +4466,11 @@ ath_merge_mcast(struct ath_softc *sc, u_
+ {
+ struct ieee80211com *ic = &sc->sc_ic;
+ struct ieee80211vap *vap;
++ #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35)
++ struct netdev_hw_addr *ha;
++ #else
+ struct dev_mc_list *mc;
++ #endif
+ u_int32_t val;
+ u_int8_t pos;
+
+@@ -4474,6 +4478,17 @@ ath_merge_mcast(struct ath_softc *sc, u_
+ /* XXX locking */
+ TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
+ struct net_device *dev = vap->iv_dev;
++ #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35)
++ netdev_for_each_mc_addr(ha, dev) {
++ /* calculate XOR of eight 6-bit values */
++ val = LE_READ_4(ha->addr + 0);
++ pos = (val >> 18) ^ (val >> 12) ^ (val >> 6) ^ val;
++ val = LE_READ_4(ha->addr + 3);
++ pos ^= (val >> 18) ^ (val >> 12) ^ (val >> 6) ^ val;
++ pos &= 0x3f;
++ mfilt[pos / 32] |= (1 << (pos % 32));
++ }
++ #else
+ for (mc = dev->mc_list; mc; mc = mc->next) {
+ /* calculate XOR of eight 6-bit values */
+ val = LE_READ_4(mc->dmi_addr + 0);
+@@ -4483,6 +4498,7 @@ ath_merge_mcast(struct ath_softc *sc, u_
+ pos &= 0x3f;
+ mfilt[pos / 32] |= (1 << (pos % 32));
+ }
++ #endif
+ }
+ }
+