Am Sonntag 15 Januar 2006 16:51 schrieb Johannes Berg:
> Isn't that rather a question of having good user-space tools that make
> deactivating one type of interface and activating another seamless?
Well, it's always easy to point to userspace. However, unregister_netdev()
initiates a lot of actions. IPv4 addresses and routes are removed, same for
IPv6, IPX, Appletalk etc. Stacked VLAN devices are recursively unregistered
(even though I have not tried yet if it works when I create VLANs over 802.3
emulated wlan interfaces ;-), udev bloat runs. And all this stuff has to be
restored by the nifty new configuration utility, possibly including ifindex
and future protocols.
This is from my usage pattern that I want to go into monitor mode on current
channel, look at some packets and return to the association without losing
layer 3 configuration.
So after all, it is IMHO way less painful to handle a mode change in the
kernel.
Stefan
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