SOME COMPLEX STUFF GUAIZ (hub internet system)

OK so im making my mac a server hub so my mom and uncle can use wireless internet from my comp but you have to be connected via Bluetooth now this is where i hit my snag im trying to connect my ps3 to the internet via wireless connection i connect to the network but it cant connect to the internet because of the Bluetooth do you guys have a way to connect my ps3 to the internet with only 1 comp connected and nothing else? ive tried wiring my ps3 to my mac but the my ps3 cant connect via Ethernet cable if this all sounds to complicated ask for pictures and ill try to make pictures with my gimp photo edits