unaligned: Introduce helpers for 32-bit aligned 128-bit integers.

These are analogous to the existing helpers for 32-bit aligned 64-bit
integers, and will have users in upcoming commits.

Signed-off-by: Ben Pfaff <blp@ovn.org>
Acked-by: Lance Richardson <lrichard@redhat.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/include/openvswitch/types.h b/include/openvswitch/types.h
index 5ae0972da..111e30bca 100644
--- a/include/openvswitch/types.h
+++ b/include/openvswitch/types.h
@@ -82,6 +82,18 @@ typedef struct {
 #endif
 } ovs_32aligned_u64;
 
+/* A 128-bit value, in host byte order, that is only aligned on a 32-bit
+ * boundary.  */
+typedef struct {
+    uint32_t u32[4];
+} ovs_32aligned_u128;
+
+/* A 128-bit value, in network byte order, that is only aligned on a 32-bit
+ * boundary.  */
+typedef struct {
+    ovs_be32 be32[4];
+} ovs_32aligned_be128;
+
 typedef union {
     uint32_t u32[4];
     struct {