passt/checksum.h
Stefano Brivio 965f603238 treewide: Add include guards
...at the moment, just for consistency with packet.h, icmp.h,
tcp.h and udp.h.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
2022-03-29 15:35:38 +02:00

15 lines
429 B
C

/* SPDX-License-Identifier: AGPL-3.0-or-later
* Copyright (c) 2021 Red Hat GmbH
* Author: Stefano Brivio <sbrivio@redhat.com>
*/
#ifndef CHECKSUM_H
#define CHECKSUM_H
uint32_t sum_16b(void *buf, size_t len);
uint16_t csum_fold(uint32_t sum);
uint16_t csum_unaligned(void *buf, size_t len, uint32_t init);
void csum_tcp4(struct iphdr *iph);
uint16_t csum(const void *buf, size_t len, uint32_t init);
#endif /* CHECKSUM_H */