packet flow in pf framework

[alan yang]

can people shed some light on how packet flow through ether_input,
ether_demux, ip_input, tcp_input the pf code got invoke.

really appreciate.

On Thu, Oct 9, 2008 at 3:36 PM, alan yang <alancyang at gmail.com> wrote:
> sorry if this is naive.
>
> i wonder how packet flow in / out pf framework within kernel, is it
> BSD Packet Filter (BPF) approach...?
> appreciate if people can shed some light where to start tracing pf code.
>
> thanks in advance.
>