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/*
* Copyright (c) 2008 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#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 */
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