From: Johannes Berg <johannes@sipsolutions.net>
To: Ben Greear <greearb@candelatech.com>,
"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Subject: Re: How many null-data probes on connection loss?
Date: Fri, 28 Sep 2018 09:19:21 +0200 [thread overview]
Message-ID: <1538119161.14416.57.camel@sipsolutions.net> (raw)
In-Reply-To: <a409f0b7-5a91-1add-484d-588a554f0cd4@candelatech.com>
On Thu, 2018-09-27 at 08:32 -0700, Ben Greear wrote:
> > It seems though that if there's some noise or so on the channel you
> > wouldn't be transmitting, so what kind of "network glitches" might
> > affect this? AP going away unexpectedly for some time?
>
> I am thinking that if the 'timeout' is 500ms, and the number of probes is 2
> (the default values), then it should probe at 0ms, and at 250ms, and then finally
> fail at 500ms if nothing was received. In otherwords, X probes, x/timeout apart.
That seems reasonable I guess. Although I'm not sure - perhaps once we
know it failed we *do* want to try a bit quicker again? Otherwise we
have a totally dead period there in the meantime, no?
johannes
next prev parent reply other threads:[~2018-09-28 7:19 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-25 23:12 How many null-data probes on connection loss? Ben Greear
2018-09-26 8:38 ` Johannes Berg
2018-09-26 18:04 ` Ben Greear
2018-09-26 18:26 ` Johannes Berg
2018-09-26 18:47 ` Ben Greear
2018-09-26 18:48 ` Johannes Berg
2018-09-26 18:53 ` Ben Greear
2018-09-26 22:21 ` Ben Greear
2018-09-27 7:12 ` Johannes Berg
2018-09-27 15:32 ` Ben Greear
2018-09-28 7:19 ` Johannes Berg [this message]
2018-09-28 15:14 ` Ben Greear
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