EAP-AKA support

I have a need for FreeRadius to support EAP-AKA and did not see it available, so I copied/extended the FreeRadius EAP-SIM module to support it. I noticed a number of requests for it in the past so I would like to contribute my modification/extensions to freeradius.org, My implementation relies on some EAP-SIM module infrastructure such as the EAP-SIM header file as well as some EAP-SIM routines. It also relied on a number of EAP-SIM attributes defined in dictionary.freeradius.internal. FreeRadius starts up and runs with or without the EAP-SIM module loaded. Is this a suitable approach or should it be completely stand-alone? What is the procedure to actually submit my extensions for consideration?