2 * Copyright (c) 2008 Nicira Networks.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
23 uint16_t csum(const void *, size_t);
24 uint32_t csum_add16(uint32_t partial, uint16_t);
25 uint32_t csum_add32(uint32_t partial, uint32_t);
26 uint32_t csum_continue(uint32_t partial, const void *, size_t);
27 uint16_t csum_finish(uint32_t partial);
28 uint16_t recalc_csum16(uint16_t old_csum, uint16_t old_u16, uint16_t new_u16);
29 uint16_t recalc_csum32(uint16_t old_csum, uint32_t old_u32, uint32_t new_u32);