arch/hexagon/include/asm/checksum.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
   4  */
   5
   6 #ifndef _ASM_CHECKSUM_H
   7 #define _ASM_CHECKSUM_H
   8
   9 #define do_csum do_csum
  10 unsigned int do_csum(const void *voidptr, int len);
  11
  12 /*
  13  * the same as csum_partial, but copies from src while it
  14  * checksums
  15  *
  16  * here even more important to align src and dst on a 32-bit (or even
  17  * better 64-bit) boundary
  18  */
  19 #define csum_partial_copy_nocheck csum_partial_copy_nocheck
  20 __wsum csum_partial_copy_nocheck(const void *src, void *dst,
  21                                         int len, __wsum sum);
  22
  23 /*
  24  * computes the checksum of the TCP/UDP pseudo-header
  25  * returns a 16-bit checksum, already complemented
  26  */
  27 #define csum_tcpudp_nofold csum_tcpudp_nofold
  28 __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
  29                           __u32 len, __u8 proto, __wsum sum);
  30
  31 #define csum_tcpudp_magic csum_tcpudp_magic
  32 __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr,
  33                           __u32 len, __u8 proto, __wsum sum);
  34
  35 #include <asm-generic/checksum.h>
  36
  37 #endif