Subject: Re: ioctl(BIOC[GS]HDRCMPLT) on bpf
To: None <email@example.com>
From: Jason Thorpe <firstname.lastname@example.org>
Date: 11/01/1999 10:55:17
On Mon, 01 Nov 1999 12:02:12 +0900
> I'm just curious, which application uses BIOC[GS]HDRCMPLT?
> (allows you to inject layer 2 header on bpf writes)
> Or is it mainly for experiments? It looks it was added between
> 1.39 to 1.40.
It's for implementing protocols in userspace which require "spoofing"
the MAC source address... e.g. some Cisco bridge-bridge communication
protocols, Apollo Netman, etc.
-- Jason R. Thorpe <email@example.com>