Subject: bpf pointer
To: None <>
From: Martin J. Laubach <>
List: tech-net
Date: 08/25/2000 09:40:35
  While adding bpf support to gre, I noticed that a number of
drivers use a "caddr_t sc_bpf" in their softc to be used as
argument for bpfattach(), and some use struct ifnet's if_bpf.

  Any reason for that? History?