linux-wireless.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Johannes Berg <johannes@sipsolutions.net>
To: Arik Nemtsov <arik@wizery.com>
Cc: linux-wireless@vger.kernel.org, Luciano Coelho <coelho@ti.com>
Subject: Re: [RFC] mac80211: reestablish mis-configured existing Rx BA sessions
Date: Wed, 04 May 2011 18:50:57 +0200	[thread overview]
Message-ID: <1304527857.3563.24.camel@jlt3.sipsolutions.net> (raw)
In-Reply-To: <1304413928-17673-1-git-send-email-arik@wizery.com> (sfid-20110503_111236_686946_877B0C73)

On Tue, 2011-05-03 at 12:12 +0300, Arik Nemtsov wrote:
> When forming a Rx BA session, sometimes the ADDBA response gets lost.
> This leads to a situation where the session is configured locally, but
> doesn't exist on the remote side. Subsequent ADDBA requests are declined
> by mac80211.
> 
> Fix this by assuming the session state of the initiator is the correct
> one. When receiving an unexpected ADDBA request on a TID with an active
> Rx BA session, delete the existing one and establish a new session.

I thought about this for a while but I don't really have an opinion I
think. Maybe the behaviour could be avoided by checking the ack status,
but that wouldn't be good enough for devices that don't have that...

johannes


  reply	other threads:[~2011-05-04 16:50 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-03  9:12 [RFC] mac80211: reestablish mis-configured existing Rx BA sessions Arik Nemtsov
2011-05-04 16:50 ` Johannes Berg [this message]
     [not found]   ` <BANLkTinB7cAmCahuK-qqejVWzO7T3Xq4Gg@mail.gmail.com>
2011-05-04 23:17     ` Arik Nemtsov
2011-05-17 13:01       ` Arik Nemtsov

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=1304527857.3563.24.camel@jlt3.sipsolutions.net \
    --to=johannes@sipsolutions.net \
    --cc=arik@wizery.com \
    --cc=coelho@ti.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).