On 06/18/2020 07:48 AM, Johannes Berg wrote:
On Thu, 2020-06-18 at 14:45 +0000, Shay Bar wrote:
So... why would you ever do that? :)
johannes
:)
Is it illegal to do "ifconfig <if> down" or kill hostapd
while STA's are still associated?
There are some vendors/users that are doing that.
It's not really *illegal* per se, but it would be weird if both did it
... But I do tend to think that if you're using hostapd or such to
control it, you shouldn't do another out-of-band control.
Regarding Ben's proposal of using 11k/v, I couldn’t find such
"going down" single frame in the standard (although sounds trivial)
Broadcast deauth :)
Or use k/v to tell STA that AP is going down immediately and here is (null, likely)
list of APs to associate with instead?
Another thing I notice: In order to keep things from blocking for long periods (3+ seconds)
with rtnl held, I ended up doing a force flush in ath10k-ct, so at least when using that
driver, sending frames and then immediately doing flush will likely not put much on air.
I have hoped to one day add tx-completion call-backs handling to mac80211 instead of just calling a flush
for these types of station-down communication where flush is to be called shortly.
Thanks,
Ben
--
Ben Greear <greearb@xxxxxxxxxxxxxxx>
Candela Technologies Inc http://www.candelatech.com
