diff options
Diffstat (limited to 'include/openvswitch/types.h')
| -rw-r--r-- | include/openvswitch/types.h | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/include/openvswitch/types.h b/include/openvswitch/types.h index fbd2997b..9ddb8577 100644 --- a/include/openvswitch/types.h +++ b/include/openvswitch/types.h @@ -1,5 +1,5 @@ /* - * 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. @@ -17,6 +17,8 @@ #ifndef OPENVSWITCH_TYPES_H #define OPENVSWITCH_TYPES_H 1 +#include <arpa/inet.h> +#include <sys/types.h> #include <stdint.h> #ifdef __CHECKER__ @@ -35,5 +37,26 @@ typedef uint16_t OVS_BITWISE ovs_be16; typedef uint32_t OVS_BITWISE ovs_be32; typedef uint64_t OVS_BITWISE ovs_be64; + +/* 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 */ |