From: Johannes Berg <johannes@sipsolutions.net>
To: Gary Morain <gmorain@chromium.org>
Cc: linux-wireless@vger.kernel.org, pstew@chromium.org
Subject: Re: [PATCH] CHROMIUMOS: mac80211: Increase retry attempts for nullfunc probes
Date: Mon, 21 May 2012 21:26:12 +0200 [thread overview]
Message-ID: <1337628372.11626.0.camel@jlt3.sipsolutions.net> (raw)
In-Reply-To: <20120521190547.3E23A8061C@gary-pc2.mtv.corp.google.com> (sfid-20120521_211238_622219_A4B464A6)
On Fri, 2012-05-18 at 13:49 -0700, Gary Morain wrote:
> When a nullfunc probe fails for lack of an ACK, it is retried
> almost immediately. The current setting of 2 retries completes
> in about 4 ms. If an AP is off-channel scanning, this is not
> enough time for the AP to return to the operating channel and
> ACK the nullfunc. As a result, the client disconnects when the
> AP is still there and operating.
AP is off-channel, scanning? It can't be unless it's a GO and then you
have GO powersave, right?
> -static int max_nullfunc_tries = 2;
> +static int max_nullfunc_tries = 100;
100? That seems insanely high compared to the other one.
johannes
next prev parent reply other threads:[~2012-05-21 19:26 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-18 20:49 [PATCH] CHROMIUMOS: mac80211: Increase retry attempts for nullfunc probes Gary Morain
2012-05-21 19:26 ` Johannes Berg [this message]
[not found] ` <CADfcX6r=GuQh2kdC_OEX9fvfGjWXeGwFKGTfFWs-88nqgGNF_Q@mail.gmail.com>
2012-05-21 22:29 ` Gary Morain
2012-05-22 0:56 ` Sujith Manoharan
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