#pragma once
#include <stdint.h>
#include <netinet/in.h>

uint16_t osmo_ip_checksum_fast_csum(const void *iph, unsigned int ihl);
uint32_t osmo_ip_checksum_csum_partial(const void *buff, int len, uint32_t wsum);
uint16_t osmo_ip_checksum_compute_csum(const void *buff, int len);

uint16_t osmo_ip_checksum_csum_ipv6_magic(const struct in6_addr *saddr,
					  const struct in6_addr *daddr,
					  uint32_t len, uint8_t proto, uint32_t csum);