I have been DDos what do I do

I gave my IP to a someone because we were playing Minecraft and from there he DDos me and I'm getting so many packets being send to my router and at one time I didn't have access to the Internet. Any ideas what I can do please help!

Added (1). I gave my IP to someone because we were playing Minecraft and from there he DDos me and I'm getting so many packets being send to my router and at one time I didn't have access to the Internet. Any ideas what I can do please help!

Firstly you need to know if you are actually being Ddossed
and so on,

Try reading this and it may help! (i'm sure it will)

http://lol.gamepedia.com/DDoS_Prevention_Guide