uproto 15 net/ipv6/ip6_checksum.c __u32 uproto; uproto 55 net/ipv6/ip6_checksum.c uproto = (__force u32)htonl(proto); uproto 56 net/ipv6/ip6_checksum.c sum += uproto; uproto 57 net/ipv6/ip6_checksum.c carry = (sum < uproto);