eth_addr_type
u8_t eth_addr_type = UNKNOWN_ADDRESS;
eth_addr_type = BROADCAST_ADDRESS;
eth_addr_type = MULTICAST_ADDRESS;
parse_bd_e1x->global_data |= (eth_addr_type << ETH_TX_PARSE_BD_E1X_ETH_ADDR_TYPE_SHIFT);
parse_bd_e2->parsing_data |= (eth_addr_type << ETH_TX_PARSE_BD_E2_ETH_ADDR_TYPE_SHIFT);