If you are using internet on your Mac and want to share internet with iPhone, iPad or iPod Touch as well then you can turn your Mac (Macbook Pro, MacBook, iMac, etc.) into WiFi hotspot. You need to setup your Mac to share internet with other wireless devices.
Share Mac internet with iPhone, iPad or iPad Touch.
We already written a guide and you can use the same method to share internet with your iPhone, iPod Touch or iPad.
Check this link: sharing Mac internet with Apple iPhone, iPod Touch or iPad.