From 4ac7c8341c660db654821ed2dc0273645dc19645 Mon Sep 17 00:00:00 2001
From: Ondrej Zajicek <santiago@crfreenet.org>
Date: Mon, 9 Nov 2009 23:22:53 +0100
Subject: Use IPv6 checksums in OSPFv3.

---
 sysdep/unix/io.c | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

(limited to 'sysdep/unix/io.c')

diff --git a/sysdep/unix/io.c b/sysdep/unix/io.c
index 3eb2e03..cd5c5db 100644
--- a/sysdep/unix/io.c
+++ b/sysdep/unix/io.c
@@ -782,12 +782,29 @@ int
 sk_set_broadcast(sock *s, int enable)
 {
   if (setsockopt(s->fd, SOL_SOCKET, SO_BROADCAST, &enable, sizeof(enable)) < 0)
-    log(L_ERR "sk_set_broadcast: SO_BROADCAST: %m");
+    {
+      log(L_ERR "sk_set_broadcast: SO_BROADCAST: %m");
+      return -1;
+    }
+
+  return 0;
 }
 
 
 #ifdef IPV6
 
+int
+sk_set_ipv6_checksum(sock *s, int offset)
+{
+  if (setsockopt(s->fd, IPPROTO_IPV6, IPV6_CHECKSUM, &offset, sizeof(offset)) < 0)
+    {
+      log(L_ERR "sk_set_ipv6_checksum: IPV6_CHECKSUM: %m");
+      return -1;
+    }
+
+  return 0;
+}
+
 int
 sk_setup_multicast(sock *s)
 {
-- 
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