nf_ip6_checksum 77 include/linux/netfilter_ipv6.h extern __sum16 nf_ip6_checksum(struct sk_buff *skb, unsigned int hook, nf_ip6_checksum 138 net/ipv6/netfilter.c return nf_ip6_checksum(skb, hook, dataoff, protocol); nf_ip6_checksum 157 net/ipv6/netfilter.c .checksum = nf_ip6_checksum, nf_ip6_checksum 191 net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c nf_ip6_checksum(skb, hooknum, dataoff, IPPROTO_ICMPV6)) {