please help. how to create an online ENC28J60

I was really dizzy. : D

I use a usb modem connection to the internet, and to my ENC28J60 using lan cable from the pc.

and how to create a lan cable from the "no network access" to "Internet access"

whether made ??ENC28J60 for my online should provide hosting?

for the master Arduino, please give the full tutorial.
please help