Move the definition of ipchksum into its own header file.

Change-Id: Ifb7c18f9ca566bd50ca138ffd8af951375089537
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: http://review.coreboot.org/1722
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Tested-by: build bot (Jenkins)

1 files changed, 33 insertions, 0 deletions

diff --git a/payloads/libpayload/include/ipchksum.h b/payloads/libpayload/include/ipchksum.h
new file mode 100644
index 0000000000..b7ded0843d
--- /dev/null
+++ b/payloads/libpayload/include/ipchksum.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2012 The Chromium OS Authors.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but without any warranty; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __IPCHKSUM_H__
+#define __IPCHKSUM_H__
+
+/**
+ * @defgroup ipchecksum IP checksum functions
+ * @{
+ */
+unsigned short ipchksum(const void *ptr, unsigned long nbytes);
+/** @} */
+
+#endif