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From: Johannes Berg <johannes@sipsolutions.net>
To: Denis Kenzior <denkenz@gmail.com>,
	Arend van Spriel <arend@broadcom.com>, Jouni Malinen <j@w1.fi>
Cc: Avraham Stern <avraham.stern@intel.com>,
	linux-wireless <linux-wireless@vger.kernel.org>
Subject: Re: ROAM/CONNECT event with PORT_AUTHORIZED
Date: Fri, 15 Sep 2017 16:20:08 +0200	[thread overview]
Message-ID: <1505485208.31630.42.camel@sipsolutions.net> (raw)
In-Reply-To: <9b466254-e9c1-c5e4-c3fd-b881c4c583e9@gmail.com> (sfid-20170915_155043_885561_8E371F43)

On Fri, 2017-09-15 at 08:50 -0500, Denis Kenzior wrote:

> > I thought you meant sending an 802.11 auth frame to the new AP
> > before breaking the connection to the old AP.
> > 
> 
> I mean 802.11-2012 Section 11.5.9.2 type preauthentication.

Yeha, OK.

> And AFAIK the kernel generates a disconnected event as soon as we
> send a CMD_AUTHENTICATE, so not sure how you envision 'your'
> preauthentication working...

That's what I was trying to say - it doesn't. A few years ago we tried
to support that but it's not really possible to do well.

> However, you're not answering my question...

Which was?

> > Well, with full MAC devices you should let the device decide on the
> > BSS?
> > 
> 
> Why? So we can deal with the various ways a vendor firmware can
> screw up?  Besides, you have an asymmetry in the kernel API. 

:)

> One can use regular roaming on a full mac but not FT.

We had intended to have NL80211_CMD_ROAM to make that decision once,
but never really used it for that... I think it could be implemented
but I don't really know how well drivers were to support it.

johannes

  reply	other threads:[~2017-09-15 14:20 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-14  8:39 ROAM/CONNECT event with PORT_AUTHORIZED Johannes Berg
2017-09-14 11:21 ` Arend van Spriel
2017-09-14 11:44   ` Johannes Berg
2017-09-14 18:37     ` Denis Kenzior
2017-09-14 19:17       ` Johannes Berg
2017-09-14 19:34         ` Denis Kenzior
2017-09-14 19:38           ` Ben Greear
2017-09-14 20:05             ` Denis Kenzior
2017-09-14 20:08               ` Ben Greear
2017-09-14 20:26                 ` Denis Kenzior
2017-09-14 20:29                   ` Ben Greear
2017-09-14 20:35                     ` Denis Kenzior
2017-09-14 20:47                       ` Ben Greear
2017-09-14 21:35                         ` Denis Kenzior
2017-09-14 22:15                           ` Ben Greear
2017-09-14 22:42                             ` Denis Kenzior
2017-09-14 22:57                               ` Ben Greear
2017-09-15  7:23                                 ` Johannes Berg
2017-09-15  7:20                         ` Johannes Berg
2017-09-14 19:39           ` Johannes Berg
2017-09-14 18:27 ` Denis Kenzior
2017-09-14 18:36   ` Johannes Berg
2017-09-14 19:08     ` Denis Kenzior
2017-09-14 19:22       ` Johannes Berg
2017-09-14 19:37         ` Denis Kenzior
2017-09-14 19:41           ` Johannes Berg
2017-09-14 19:42             ` Johannes Berg
2017-09-14 19:54             ` Denis Kenzior
2017-09-15  7:19               ` Johannes Berg
2017-09-15 12:50                 ` Denis Kenzior
2017-09-15 13:29                   ` Johannes Berg
2017-09-15 13:50                     ` Denis Kenzior
2017-09-15 14:20                       ` Johannes Berg [this message]
2017-09-15 14:27                         ` Denis Kenzior
2017-09-15 14:52                           ` Johannes Berg

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