No, wireless package is NOT equal to wireless-fp package.
http://forum.mikrotik.com/t/v6-19-released/80395/1
http://forum.mikrotik.com/t/new-wireless-package/76487/1
http://wiki.mikrotik.com/wiki/Manual:Fast_Path
http://download2.mikrotik.com/news/mikrotik-news-59-JUN2014.pdf , page 4
In order to work properly, wireless-fp must be implemented on the ap and on the client side.
http://forum.mikrotik.com/t/newsletter-59/78249/1
Use wireless-fp.
http://forum.mikrotik.com/t/v6-23-almost-ready-for-full-release-please-check-latest-rc/83417/1