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| author | Joe Stringer <joestringer@nicira.com> | 2015-09-22 23:24:11 -0700 |
|---|---|---|
| committer | Joe Stringer <joestringer@nicira.com> | 2015-10-13 15:34:14 -0700 |
| commit | 557344e3fe9d90c7f477d9fc26bb1baddcf248a5 (patch) | |
| tree | 38b43a03c3b245f426e617e77b4196ea120c1abc /include/openvswitch/types.h | |
| parent | 81270993ab95b463ffc3a7779a352ee5a6a27f21 (diff) | |
| download | openvswitch-557344e3fe9d90c7f477d9fc26bb1baddcf248a5.tar.gz | |
types: Add big-endian 128-bit types and helpers.
These types will be used by the following patches to ensure a consistent
wire format for 128-bit connection tracking labels. Common functions for
comparison, endian translation, etc. are provided.
Signed-off-by: Joe Stringer <joestringer@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
Diffstat (limited to 'include/openvswitch/types.h')
| -rw-r--r-- | include/openvswitch/types.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/openvswitch/types.h b/include/openvswitch/types.h index c138b9c63..64d90121a 100644 --- a/include/openvswitch/types.h +++ b/include/openvswitch/types.h @@ -84,10 +84,24 @@ typedef struct { typedef union { uint32_t u32[4]; struct { +#ifdef WORDS_BIGENDIAN + uint64_t hi, lo; +#else uint64_t lo, hi; +#endif } u64; } ovs_u128; +typedef union { + ovs_be32 be32[4]; + struct { + ovs_be64 hi, lo; + } be64; +} ovs_be128; + +#define OVS_U128_MAX (ovs_u128) { .u64 = { UINT64_MAX, UINT64_MAX } } +#define OVS_BE128_MAX (ovs_be128) { .be64 = { OVS_BE64_MAX, OVS_BE64_MAX } } + /* A 64-bit value, in network byte order, that is only aligned on a 32-bit * boundary. */ typedef struct { |