rtpMIDI is a free Windows program often used to run WiFi MIDI from the iPad to a computer or hardware gear. Here is a tutorial showing the reverse, where Music & Gear Videos shows how to control your iPad with a MIDI keyboard connected to your computer.
rtpMIDI to ipad tutorial to get your ipad connected to your home network. A great way to get your ipad talking to your keyboard controllers, instead of using the camera connection kit. Get rtpMIDI from the link below.