/*
- * Copyright (c) 2010 Nicira Networks.
+ * Copyright (c) 2010, 2011 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#ifndef OPENVSWITCH_TYPES_H
#define OPENVSWITCH_TYPES_H 1
+#include <arpa/inet.h>
+#include <sys/types.h>
#include <stdint.h>
#ifdef __CHECKER__
#define OVS_BITWISE __attribute__((bitwise))
+#define OVS_FORCE __attribute__((force))
#else
#define OVS_BITWISE
+#define OVS_FORCE
#endif
/* The ovs_be<N> types indicate that an object is in big-endian, not
typedef uint16_t OVS_BITWISE ovs_be16;
typedef uint32_t OVS_BITWISE ovs_be32;
typedef uint64_t OVS_BITWISE ovs_be64;
+\f
+/* Netlink and OpenFlow both contain 64-bit values that are only guaranteed to
+ * be aligned on 32-bit boundaries. These types help.
+ *
+ * lib/unaligned.h has helper functions for accessing these. */
+
+/* A 64-bit value, in host byte order, that is only aligned on a 32-bit
+ * boundary. */
+typedef struct {
+#ifdef WORDS_BIGENDIAN
+ uint32_t hi, lo;
+#else
+ uint32_t lo, hi;
+#endif
+} ovs_32aligned_u64;
+
+/* A 64-bit value, in network byte order, that is only aligned on a 32-bit
+ * boundary. */
+typedef struct {
+ ovs_be32 hi, lo;
+} ovs_32aligned_be64;
#endif /* openvswitch/types.h */