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From: Ben Greear <greearb@candelatech.com>
To: Reinette Chatre <reinette.chatre@intel.com>
Cc: johannes@sipsolutions.net, linville@tuxdriver.com,
	linux-wireless@vger.kernel.org
Subject: Re: [PATCH] mac80211: use beacons for connection monitoring
Date: Wed, 29 Jul 2009 14:39:07 -0700	[thread overview]
Message-ID: <4A70C17B.6090309@candelatech.com> (raw)
In-Reply-To: <1248903159-17024-1-git-send-email-reinette.chatre@intel.com>

On 07/29/2009 02:32 PM, Reinette Chatre wrote:
> From: Reinette Chatre<reinette.chatre@intel.com>
>
> The connection monitor currently relies on probe requests paired
> with probe responses to ensure that a connection is alive. This is
> fragile in some environments where probe responses can get lost.
> When we receive beacons we can also consider the connection to be
> alive, so cancel connection poll instance when we receive a beacon.

I'm chasing a similar problem while working on virtual STA device
support in ath5k.  I was also going to try sending up to 3 polls before
giving up on the connection.  Does that seems like a valid thing to do?

I'll try using this patch as well to see if that helps.

Thanks,
Ben

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


  reply	other threads:[~2009-07-29 21:39 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-29 21:32 [PATCH] mac80211: use beacons for connection monitoring Reinette Chatre
2009-07-29 21:39 ` Ben Greear [this message]
2009-07-30 10:30   ` Johannes Berg
2009-07-30 14:41     ` Ben Greear
2009-07-30 17:45     ` reinette chatre
2009-07-30 19:47       ` Johannes Berg
2009-07-29 21:45 ` Johannes Berg
2009-07-29 21:50   ` reinette chatre
2009-07-30  5:24     ` Maxim Levitsky
2009-07-29 22:10   ` Ben Greear
2009-07-30 10:28     ` Johannes Berg
2009-07-30  2:39   ` Marcel Holtmann
2009-07-30  9:36   ` Helmut Schaa
2009-07-30  9:54     ` Johannes Berg
2009-07-31  7:08 ` Maxim Levitsky
2009-07-31  7:43   ` Johannes Berg
2009-07-31  7:58     ` Johannes Berg
2009-07-31  8:04       ` Maxim Levitsky
2009-07-31  9:41         ` Marcel Holtmann
2009-07-31 13:19     ` Maxim Levitsky
2009-07-31 13:39       ` Johannes Berg
2009-07-31 13:56         ` Maxim Levitsky
2009-07-31 14:06           ` Johannes Berg

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