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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1538119161.14416.57.camel@sipsolutions.net \
--to=johannes@sipsolutions.net \
--cc=greearb@candelatech.com \
--cc=linux-wireless@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).