I pulled these patches from different online sources. The modules compile for 3.11 and 3.12 respectively. Should this be submitted upstream to the Gentoo repo? I didn't check, since it's far less convenient to do so without the use of git + github.
vmware-modules fix for 3.11-3.14 kernels
vmnet patch breaks on 3.14
You've forked the "main" Portage tree that is sent to users via emerge --sync. These look like these are fantastic updates. Please submit a bug at bugs.funtoo.org for improvements such as these. I will be working on improving our GitHub integration.