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Re: [Discuss-gnuradio] Physical layer for packet-based communication

From: Berndt Josef Wulf
Subject: Re: [Discuss-gnuradio] Physical layer for packet-based communication
Date: Fri, 4 Feb 2005 20:27:50 +1030
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On Fri, 4 Feb 2005 12:48 pm, Eric Blossom wrote:
> On Thu, Feb 03, 2005 at 03:34:50PM -0600, Meenal wrote:
> > This is of great interest. On my wishlist is a data link layer
> > module (MAC/LLC functionality) that would enable GNURadio, the
> > physical layer, to work with IP.
> > Is the Click Modular router useful in this respect?
> > Thanks
> > Meenal
> Hi Meenal,
> As far as I can tell there are a couple of ways we can get there.  The
> most straight-forward is to use the tap/tun interface to create either
> a pseudo IP or ethernet port from user space.  The kernel and the rest
> of the networking stack is on one end, GNU Radio would be on the
> other.
> Click isn't a requirement, it's more of an example of how things could
> be made to work.  [And a source of examples of how to get packets in
> and out of the kernel from users space.]

Can this be done in a portable way as to ascertain portability with platforms 
other than Linux, e.g. by using POSIX compliant API's ?

Direct kernel hacks will not be easy to port.

cheerio Berndt
Every man who says frankly and fully what he thinks is doing a public service.
[Leslie Stephen]

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