From: Pavel Roskin <proski@gnu.org>
To: Jaroslav Fojtik <jafojtik@seznam.cz>
Cc: linux-wireless@vger.kernel.org, Bob Copeland <me@bobcopeland.com>
Subject: Re: How to scan APs with ATH5k?
Date: Thu, 20 May 2010 17:53:31 -0400 [thread overview]
Message-ID: <1274392411.7054.6.camel@mj> (raw)
In-Reply-To: <4BF58D72.22852.D1D2D@jafojtik.seznam.cz>
On Thu, 2010-05-20 at 21:28 +0200, Jaroslav Fojtik wrote:
> Dear Bob,
>
> > $ sudo ifconfig wlan0 up
> > $ sudo iw dev wlan0 scan
>
> I have typed:
>
> ifconfig wlan0 down
> ifconfig wlan0 up
> iwlist wlan0 scanning
> (I do not have installed iw)
I think you should install iw and use it instead. Ideally, iwlist
should work as well, but iw would provide a useful datapoint.
> But when an interface wlan0 become associated, it refuses scanning.
>
> root@dvouramenna:~# iwlist wlan0 scanning
> wlan0 Interface doesn't support scanning : Operation not supported
>
>
> Is this bug or feature?
It looks like a bug. Even if something is preventing scanning, the
error code should be -EBUSY (device busy).
> MadWifi can scan even when interface is associated.
> ipw2200bg can also scan when it is associated.
The same is true for ath9k, but I cannot test ath5k at the moment.
mac80211 does a considerable effort to allow scanning while associated.
--
Regards,
Pavel Roskin
next prev parent reply other threads:[~2010-05-20 21:53 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-19 19:17 [PATCH v2 7/7] rt2x00: Fix HT40 operation in rt2800 Gertjan van Wingerde
2010-05-19 19:19 ` Ivo Van Doorn
2010-05-20 6:52 ` Helmut Schaa
2010-05-20 6:00 ` How to scan APs with ATH5k? Jaroslav Fojtik
[not found] ` <AANLkTim90zZxvcwT9joVAqO1oDzk-jCaRCQAd0Cfu3N0@mail.gmail.com>
2010-05-20 19:28 ` Jaroslav Fojtik
2010-05-20 21:53 ` Pavel Roskin [this message]
2010-05-20 22:46 ` Bob Copeland
2010-05-21 20:00 ` Jaroslav Fojtik
2010-05-23 11:21 ` How to scan APs with ATH5k? - compat-wireless-2010-05-21 Jaroslav Fojtik
2010-05-24 18:44 ` Luis R. Rodriguez
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1274392411.7054.6.camel@mj \
--to=proski@gnu.org \
--cc=jafojtik@seznam.cz \
--cc=linux-wireless@vger.kernel.org \
--cc=me@bobcopeland.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.