Date: Wed, 5 Jun 2002 12:26:06 -0700 (PDT) From: Erik Walthinsen <omega@temple-baptist.com> To: hostap@lists.ssh.com Cc: ptp@lists.spack.org, <freebsd-mobile@freebsd.org>, <jrb@cs.pdx.edu> Subject: Re: [ptp] dualing IBSS/managed modes on same system Message-ID: <Pine.LNX.4.40L0.0206051219040.31617-100000@alpha.temple-baptist.com> In-Reply-To: <200206051915.g55JFUSw020245@sirius.cs.pdx.edu>
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On Wed, 5 Jun 2002, Jim Binkley wrote:
> I am wondering if Journi's prism2 driver or the BSD version
> could be taught to do that. This would get us back to the wonderful
> world of mostly theoretical multi-hop ad hoc routing ...
This is the mode I've been dreaming of constructing for quite a while now:
The card would probably be "primarily" IBSS mode, with modifications such
as dropping RTS/CTS and if possible killing the whole stupid packet ACK
thing (one of the worst layer violations I know of). On top of that it
would send out fake AP beacons and handle association of "dumb" clients
(stock managed mode clients, like Windows machines) a la hostapd.
All the smart nodes in such a network would then use existing and future
layer-2/3 ad-hoc routing protocols, because the layer-1 network is back to
simple hearability, as opposed to tyring to construct a STP-style
pseudo-switched network over a highly variable backhaul (WDS). All the
dumb ones just see a cluster of APs that will all claim to be the same
ESSID, and therefore presumably will deal easily with a client connecting
to any of them (back to the layer-2/3 routing protocol).
What I don't know is whether such a mode is possible with the firmware on
the prism2 cards. Can we send and receive 'mangement' packets in IBSS
mode, or some promisc equivalent?
Erik Walthinsen <omega@temple-baptist.com> - System Administrator
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