2 * Copyright (c) 2008 Nicira Networks.
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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);