From: Ben Pfaff
> Sent: 22 August 2017 18:35
...
> We solved the alignment problem in OVS userspace a different way, by
> defining our versions of the network protocol headers so that they only
> need 16-bit alignment. In turn, we did that by defining a
> ovs_16aligned_be32 type as a pair of be16s and ovs_16aligned_be64 as
> four be16s, and using helper functions for reads and writes.
...
If you add __attribute__((aligned(2))) to the 32bit and 64bit structure
members then gcc will do the loads and shifts for you.
David
