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From: Ben Greear <greearb@candelatech.com>
To: Felix Fietkau <nbd@openwrt.org>
Cc: linux-wireless@vger.kernel.org, linville@tuxdriver.com,
	johannes@sipsolutions.net
Subject: Re: [PATCH 4/4] mac80211: reduce the probe response timeout after beacon loss
Date: Fri, 19 Nov 2010 14:04:40 -0800	[thread overview]
Message-ID: <4CE6F478.1030102@candelatech.com> (raw)
In-Reply-To: <1290203740-57124-4-git-send-email-nbd@openwrt.org>

On 11/19/2010 01:55 PM, Felix Fietkau wrote:
> Waiting for 500 ms after sending a probe request seems a bit excessive,
> especially when doing 5 attempts. If the connection is bad enough to make
> multiple requests time out, then user space should try to quickly find a
> new AP.
>
> Signed-off-by: Paul Stewart<pstew@google.com>
> Signed-off-by: Felix Fietkau<nbd@openwrt.org>
> ---
>   net/mac80211/mlme.c |    2 +-
>   1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
> index ae99c0b..a64bb92 100644
> --- a/net/mac80211/mlme.c
> +++ b/net/mac80211/mlme.c
> @@ -51,7 +51,7 @@
>    * a probe request because of beacon loss or for
>    * checking the connection still works.
>    */
> -#define IEEE80211_PROBE_WAIT		(HZ / 2)
> +#define IEEE80211_PROBE_WAIT		(HZ / 5)

Maybe make this a sysfs (or procfs) tunable?

Ben

-- 
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc  http://www.candelatech.com


  reply	other threads:[~2010-11-19 22:04 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-19 21:55 [PATCH 1/4] mac80211: restart beacon miss timer on system resume from suspend Felix Fietkau
2010-11-19 21:55 ` [PATCH 2/4] mac80211: calculate beacon loss time accurately Felix Fietkau
2010-11-19 21:55   ` [PATCH 3/4] mac80211: probe the AP when resuming Felix Fietkau
2010-11-19 21:55     ` [PATCH 4/4] mac80211: reduce the probe response timeout after beacon loss Felix Fietkau
2010-11-19 22:04       ` Ben Greear [this message]
2010-11-20  2:39       ` Felix Fietkau
2010-11-22  6:49         ` Mohammed Shafi
2010-11-22 14:41           ` Felix Fietkau
2010-12-08 20:27             ` John W. Linville
2010-11-23 19:28     ` [PATCH v2 3/4] mac80211: probe the AP when resuming Felix Fietkau

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