In article <[EMAIL PROTECTED]>, Richard A Steenbergen <[EMAIL PROTECTED]> wrote: > On Fri, Feb 22, 2002 at 09:43:58AM -0800, John Polstra wrote: > > Remember, bpf is used by many things besides tcpdump. Adding these > > flags would require extending the bpf API. They couldn't be added for > > the default case, because that would break compatibility with other > > applications. They'd have to be enabled specifically, by means of a > > new ioctl. > > You could always just add a flags field to struct bpf_hdr, and hope noone > is stupid enough to hardcode the size.
That would break binary compatibility. Think about third-party applications, not available in source form, which people paid money for. They would suddenly stop working. John -- John Polstra John D. Polstra & Co., Inc. Seattle, Washington USA "Disappointment is a good sign of basic intelligence." -- Chögyam Trungpa To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-net" in the body of the message