brcms_b_set_addrmatch
brcms_b_set_addrmatch(wlc_hw, RCM_MAC_OFFSET, null_ether_addr);
brcms_b_set_addrmatch(wlc_hw, RCM_MAC_OFFSET, ethaddr);
brcms_b_set_addrmatch(wlc->hw, match_reg_offset, addr);