From 1c8ae666548d350701c3645a97792776203ff200 Mon Sep 17 00:00:00 2001
From: Pau Espin Pedrol <pespin@sysmocom.de>
Date: Thu, 9 Apr 2020 18:51:05 +0200
Subject: Move icmpv6 and checksum files from ggsn/ dir to lib/

They will be required by sgsnemu to implement ICMPv6 Router
Soliciations.

Change-Id: Ie878604f0fc0169cc98a1e9eee64b14d76be2c45
---
 lib/checksum.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 lib/checksum.h

(limited to 'lib/checksum.h')

diff --git a/lib/checksum.h b/lib/checksum.h
new file mode 100644
index 0000000..4b22431
--- /dev/null
+++ b/lib/checksum.h
@@ -0,0 +1,13 @@
+#pragma once
+#include <stdint.h>
+#include <netinet/in.h>
+
+uint16_t ip_fast_csum(const void *iph, unsigned int ihl);
+uint32_t csum_partial(const void *buff, int len, uint32_t wsum);
+uint16_t ip_compute_csum(const void *buff, int len);
+
+uint16_t csum_ipv6_magic(const struct in6_addr *saddr,
+			const struct in6_addr *daddr,
+			uint32_t len, uint8_t proto, uint32_t csum);
+
+uint16_t csum_fold(uint32_t csum);
-- 
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