mirror of
https://github.com/openvswitch/ovs
synced 2025-10-23 14:57:06 +00:00
32 lines
1.2 KiB
C
32 lines
1.2 KiB
C
/*
|
|
* Copyright (c) 2008 Nicira Networks.
|
|
*
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#ifndef CSUM_H
|
|
#define CSUM_H 1
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
uint16_t csum(const void *, size_t);
|
|
uint32_t csum_add16(uint32_t partial, uint16_t);
|
|
uint32_t csum_add32(uint32_t partial, uint32_t);
|
|
uint32_t csum_continue(uint32_t partial, const void *, size_t);
|
|
uint16_t csum_finish(uint32_t partial);
|
|
uint16_t recalc_csum16(uint16_t old_csum, uint16_t old_u16, uint16_t new_u16);
|
|
uint16_t recalc_csum32(uint16_t old_csum, uint32_t old_u32, uint32_t new_u32);
|
|
|
|
#endif /* csum.h */
|