inet_dev_addr_type 123 include/net/route.h extern unsigned inet_dev_addr_type(struct net *net, const struct net_device *dev, __be32 addr); inet_dev_addr_type 29 net/ipv4/netfilter/ipt_addrtype.c return !!(mask & (1 << inet_dev_addr_type(&init_net, dev, addr)));