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Re: [PATCH v3 4/5] brcmfmac: Update SSID of hidden AP while informing its bss to cfg80211 layer

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On 10/10/2022 11:41 AM, Johannes Berg wrote:
On Mon, 2022-10-10 at 11:23 +0200, Arend Van Spriel wrote:
  Maybe I am mistaken and the SSID element for the
Hidden-SSID scenarion is different. Will check the 802.11 spec.


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.

Thanks, Johannes

If both species are out there than it still means blindly copying things into the TLV buffer is not the proper thing to do here.

Regards,
Arend

johannes



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