Subject: the meaning of "shaper" in the changelog of commit baafc77b32f64

From: Duan Jiong <[email-masked]>
Date: Wed, 18 Sep 2013 15:24:33 +0800

Hi,

  Now i'm reproducing the bug you found in commit 
baafc77b32f64（"net/ipv4: ip_vti clear skb cb before tunneling"),
and i don't know the meaning of "shaper" in the changelog. can you
explain it?

Thanks，
  Duan