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From: Arend van Spriel <arend@broadcom.com>
To: Johannes Berg <johannes@sipsolutions.net>, Jouni Malinen <j@w1.fi>
Cc: "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Subject: Re: broadcast ssid in scheduled scan
Date: Mon, 23 Mar 2015 22:37:39 +0100	[thread overview]
Message-ID: <551087A3.4090905@broadcom.com> (raw)
In-Reply-To: <55105DA7.3040703@broadcom.com>

On 03/23/15 19:38, Arend van Spriel wrote:
> Johannes, Jouni,
>
> I have noticed that under some circumstances wpa_supplicant initiates a
> scheduled scan with broadcast ssid. This is something our firmware can
> not do so could this be avoided? Maybe by adding a feature flag for it.
> I will look into it some more to understand the scenarios in which
> broadcast ssid is used in scheduled scan request. If you know about this
> feel free to let me know.

 From the code in wpa_supplicant_req_sched_scan() it seems the wildcard 
ssid (referred to as broadcast ssid) is added if one or more networks 
are configured without 'scan_ssid=1'. So if none of the networks have 
this option only the broadcast ssid ends up in the request.

Regards,
Arend

> Regards,
> Arend
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  reply	other threads:[~2015-03-23 21:38 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-23 18:38 broadcast ssid in scheduled scan Arend van Spriel
2015-03-23 21:37 ` Arend van Spriel [this message]
2015-03-31 14:21 ` Johannes Berg
2015-04-01  6:28   ` Luca Coelho
2015-04-01  9:01     ` Arend van Spriel

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