question about channel switching delay
yanhe at louisiana.edu
Fri Aug 3 20:56:22 EDT 2007
Sorry for not stating clearly. The card is first in Managed mode and its essid is "Net1". I want to change its essid to "Net2" and change its mode to Ad-Hoc. The latency of each action is about 12 ms. But the sum of two latencies is 33 ms.
----- Original Message -----
From: "hong zhang" <henryzhang62 at yahoo.com>
To: "YAN HE" <yanhe at louisiana.edu>; <hostap at shmoo.com>
Sent: Friday, August 03, 2007 12:31 PM
Subject: Re: question about channel switching delay
> In managed mode (sta), if you assign a SSID name to
> driver, driver will try to associate an AP with the
> SSID name. If you only want to change SSID name and
> mode(a/b/g), you should do it in manager mode then sta
> match what AP has when sta associates to the AP.
> --- YAN HE <yanhe at louisiana.edu> wrote:
>> I am using hostap driver 0.4.9 for a Netgear MA401
>> card on Linux 2.6.11. The card was in Managed mode
>> and connected to an access point first. When I
>> changed either essid or mode by invoking ioctl() in
>> my program, the delay is 12 ms. However, if I
>> changed both essid and mode, the delay is 33 ms,
>> which is more than the sum of two separate delays.
>> Does anyone meet this before?
>> > _______________________________________________
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>> HostAP at shmoo.com
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