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Message-ID: <065a6cc23f5553fd6d7d98b1e9c533d3f4e544a6.camel@sipsolutions.net>
Subject: Re: [PATCH v3 4/5] brcmfmac: Update SSID of hidden AP while
 informing its bss to cfg80211 layer
From:   Johannes Berg <johannes@sipsolutions.net>
To:     Arend Van Spriel <aspriel@gmail.com>,
        "Lin Ian (CSSITB CSS ICW SW WFS / EE)" <ian.lin@infineon.com>,
        Kalle Valo <kvalo@kernel.org>
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        franky.lin@broadcom.com, hante.meuleman@broadcom.com,
        Double.Lo@infineon.com
Date:   Mon, 10 Oct 2022 11:41:26 +0200
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On Mon, 2022-10-10 at 11:23 +0200, Arend Van Spriel wrote:
>  Maybe I am mistaken and the SSID element for the=20
> Hidden-SSID scenarion is different. Will check the 802.11 spec.
>=20

hidden SSID isn't in the spec, but these days is typically implemented
by a zero-size SSID element:

 00 00

In the past, sometimes it would also be done by some APs with a zeroed
SSID element, e.g. for the SSID "myAP" you could see

 00 04 00 00 00 00

instead.

johannes