From 21bf86f740c6aa2043fdf851ff8b4d01f2749c7c Mon Sep 17 00:00:00 2001
From: Martin Willi <martin@strongswan.org>
Date: Fri, 14 Nov 2008 14:23:11 +0000
Subject: using aligned buffers for netlink

---
 src/charon/plugins/kernel_netlink/kernel_netlink_shared.h | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'src/charon/plugins/kernel_netlink/kernel_netlink_shared.h')

diff --git a/src/charon/plugins/kernel_netlink/kernel_netlink_shared.h b/src/charon/plugins/kernel_netlink/kernel_netlink_shared.h
index 84a0813e8..691879317 100644
--- a/src/charon/plugins/kernel_netlink/kernel_netlink_shared.h
+++ b/src/charon/plugins/kernel_netlink/kernel_netlink_shared.h
@@ -20,7 +20,15 @@
 
 #include <library.h>
 
-#define NETLINK_BUFFER_SIZE 1024
+#include <linux/rtnetlink.h>
+
+/**
+ * General purpose netlink buffer.
+ *
+ * 1024 byte is currently sufficient for all operations. Some platform
+ * require an enforced aligment to four bytes (e.g. ARM).
+ */
+typedef u_char netlink_buf_t[1024] __attribute__((aligned(RTA_ALIGNTO)));
 
 typedef struct netlink_socket_t netlink_socket_t;
 
-- 
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