From: Johannes Berg <johannes@sipsolutions.net>
To: Luciano Coelho <luciano.coelho@nokia.com>
Cc: ext Chuck Crisler <ccrisler@vgocom.com>,
"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Subject: Re: active vs. passive scans
Date: Mon, 27 Sep 2010 17:09:11 +0200 [thread overview]
Message-ID: <1285600151.4043.23.camel@jlt3.sipsolutions.net> (raw)
In-Reply-To: <1285599964.5768.120.camel@chilepepper>
On Mon, 2010-09-27 at 18:06 +0300, Luciano Coelho wrote:
> Usually the drivers stay for a certain period of time in each channel,
> and that normally doesn't change if you have active or passive scan. So
> there will be no improvement in the overall scan speed. Of course you
> could do some tweaks that might improve scanning performance in specific
> cases.
It's certainly different with mac80211:
#define IEEE80211_CHANNEL_TIME (HZ / 33)
#define IEEE80211_PASSIVE_CHANNEL_TIME (HZ / 8)
johannes
next prev parent reply other threads:[~2010-09-27 15:09 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-27 14:03 active vs. passive scans Chuck Crisler
2010-09-27 15:06 ` Luciano Coelho
2010-09-27 15:09 ` Johannes Berg [this message]
2010-09-27 16:32 ` Luciano Coelho
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