On Wed, Jan 11, 2006 at 07:25:11PM +0100, Krzysztof Halasa wrote:
> 3. To have a master device which isn't represented by a network
> device (ifconfig doesn't show it etc.) but can be accessed only by
> the wireless tools. Or just using sysfs, echo and cat can be best
> tools. The slaves (netdevs) can be created and deleted at will.
>
> No obscure netdev with no apparent functionality and nothing special
> in the first, last or whichever netdev.
Actually, there is a use for the master device. It can be used to
monitor what is going on over the radio from all virtual APs/STAs, e.g.,
by running Ethereal on it. Isn't VLANs implemented in the same way with
the netdev added by the driver ("master device"). The low-level wireless
driver could do the same thing and then user space tools can add
whatever virtual interfaces are needed.
--
Jouni Malinen PGP id EFC895FA
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