summaryrefslogtreecommitdiff
path: root/arch/x86/cpu/coreboot/ipchecksum.c
diff options
context:
space:
mode:
authorTom Rini <trini@ti.com>2015-01-26 17:44:49 -0500
committerTom Rini <trini@ti.com>2015-01-26 17:44:49 -0500
commitab92da9f47d51d363c7de42e2a7bd807e2c1bd54 (patch)
treedfabc29929e39a1ecc47edf5a4cf839ead062acd /arch/x86/cpu/coreboot/ipchecksum.c
parentaed03faa064cca56847571b13cbd4c849c6116aa (diff)
parente43ade3749ff10bc313f33bf23705465e4163896 (diff)
Merge branch 'master' of git://git.denx.de/u-boot-x86
Diffstat (limited to 'arch/x86/cpu/coreboot/ipchecksum.c')
-rw-r--r--arch/x86/cpu/coreboot/ipchecksum.c55
1 files changed, 0 insertions, 55 deletions
diff --git a/arch/x86/cpu/coreboot/ipchecksum.c b/arch/x86/cpu/coreboot/ipchecksum.c
deleted file mode 100644
index 3340872a87..0000000000
--- a/arch/x86/cpu/coreboot/ipchecksum.c
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * This file is part of the libpayload project.
- *
- * It has originally been taken from the FreeBSD project.
- *
- * Copyright (c) 2001 Charles Mott <cm@linktel.net>
- * Copyright (c) 2008 coresystems GmbH
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <linux/types.h>
-#include <linux/compiler.h>
-#include <asm/arch/ipchecksum.h>
-
-unsigned short ipchksum(const void *vptr, unsigned long nbytes)
-{
- int sum, oddbyte;
- const unsigned short *ptr = vptr;
-
- sum = 0;
- while (nbytes > 1) {
- sum += *ptr++;
- nbytes -= 2;
- }
- if (nbytes == 1) {
- oddbyte = 0;
- ((u8 *)&oddbyte)[0] = *(u8 *) ptr;
- ((u8 *)&oddbyte)[1] = 0;
- sum += oddbyte;
- }
- sum = (sum >> 16) + (sum & 0xffff);
- sum += (sum >> 16);
- return ~sum;
-}