From: Andi Kleen <ak@suse.de> Date: 03 Sep 2001 09:29:12 +0200 And also everybody connected to the internet needs them, because you can create arbitarily unaligned TCP/UDP/ICMP headers using IP option byte sized NOPs. IP header length is measured in octets, so how is this possible? :-) Later, David S. Miller davem@redhat.com