FBNIC_MAC_ADDR_T_PROMISC
if (test_bit(FBNIC_MAC_ADDR_T_PROMISC, mac_addr->act_tcam))
set_bit(FBNIC_MAC_ADDR_T_PROMISC,
clear_bit(FBNIC_MAC_ADDR_T_PROMISC,
__fbnic_xc_unsync(mac_addr, FBNIC_MAC_ADDR_T_PROMISC);