WI_RID_MAC_NODE
error = wi_read_rid(sc, WI_RID_MAC_NODE, &ic->ic_macaddr, &buflen);
error = wi_read_rid(sc, WI_RID_MAC_NODE, &ic->ic_macaddr,
wi_write_rid(sc, WI_RID_MAC_NODE, mac, IEEE80211_ADDR_LEN);