src_sum            19 net/ipv6/netfilter/ip6t_NPT.c 	__wsum src_sum, dst_sum;
src_sum            32 net/ipv6/netfilter/ip6t_NPT.c 	src_sum = csum_partial(&npt->src_pfx.in6, sizeof(npt->src_pfx.in6), 0);
src_sum            35 net/ipv6/netfilter/ip6t_NPT.c 	npt->adjustment = ~csum_fold(csum_sub(src_sum, dst_sum));