[maybe spam] Re: linux PF_PACKET compatibility

Gary Jennejohn gljennjohn at googlemail.com
Sat Feb 12 09:39:27 UTC 2011

On Fri, 11 Feb 2011 17:19:17 -0800
Julian Elischer <julian at freebsd.org> wrote:

> On 2/11/11 4:03 PM, Da Rock wrote:
> > Unfortunately this software uses this family instead of pcap or bpf. 
> > So when built it errors.
> >
> > I guess if I am to use this app I will have to rewrite the way it 
> > uses the network stack.
> l2tp runs over UDP packets  (port 1701 (like the starship enterprise))
> I have no idea why they want raw packets.

Ther's a sendarp() routine which uses PF_PACKET to directly access the
network driver and bypass the stack.  Lazy Linuxers who have no idea
or don't care that other operating systems exist.

Gary Jennejohn

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