On 07/05/2010 09:59 PM, Vasanthakumar Thiagarajan wrote:
On Tue, Jul 06, 2010 at 01:22:25AM +0530, greearb@xxxxxxxxx wrote:
From: Ben Greear<greearb@xxxxxxxxxxxxxxx>
It is very difficult to map phyX devices to real/virtual
entities because the phyX devices change on module
reload. This patch makes it slightly easier to
associate virtual phy devices with phyX entities.
It does not make much sense to give an index while creating a new
virtual wiphy interface. This is unncessary, only wiphy name
matters.
Will the underlying code allow you to specify a phy name though? It
seems to me that once a phyX is used, you cannot have a new phy
with that name again, even if the old one has been unloaded:
modprobe ath9k
rmmod ath9k
modprobe ath9k, and the now it's using phy1 instead of phy0,
and you cannot even rename the phy1 to phy0 with 'iw'.
It would be great if phy names were reusable like network
device names, but I'm guessing that must be difficult or
it would already be like that.
For virtual PHYs at least, the parent phy and index is a unique
identifier, so it sort of helps work around the phy naming
issues.
Thanks,
Ben
--
Ben Greear <greearb@xxxxxxxxxxxxxxx>
Candela Technologies Inc http://www.candelatech.com
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