Date: Mon, 13 Oct 2008 17:01:47 -0700 From: "alan yang" <alancyang@gmail.com> To: freebsd-pf@freebsd.org Subject: Re: packet flow in pf framework Message-ID: <290865fd0810131701i3a0b87cfma7fab18fead4e4a9@mail.gmail.com> In-Reply-To: <290865fd0810091536s2fa38f4ao8fb2114fa7431441@mail.gmail.com> References: <290865fd0810091536s2fa38f4ao8fb2114fa7431441@mail.gmail.com>
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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@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. >
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