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Re: [Discuss-gnuradio] non root access to usrp2 on Fedora 10
From: |
Gregory Maxwell |
Subject: |
Re: [Discuss-gnuradio] non root access to usrp2 on Fedora 10 |
Date: |
Wed, 3 Dec 2008 16:01:56 -0500 |
On Tue, Dec 2, 2008 at 7:49 PM, Chris Albertson
<address@hidden> wrote:
[snip]
> A compromise I've seen is a "hack". We call it "blindly blasted UDP".
> You write a special case network stack that only works on a point to
> point Ethernet. You don't even check for collisions at the Ethernet
> level.
Yes. You use a multicast destination MAC so you do not need to
participate in ARP.
Other than having to store a static packet header, you don't need to
do very much.
Maybe a little code to allow a root owned process to send the proper
destination address over the wire.