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Re: [PATCH v3 3/3] mac80211: mesh: fixed HT ies in beacon template

From Masashi Honma <masashi.honma@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH v3 3/3] mac80211: mesh: fixed HT ies in beacon template
Date 2016-08-02 06:20 +0200
Message-ID <s1zlo-7J9-3@gated-at.bofh.it> (permalink)
References <rUyDL-7RI-9@gated-at.bofh.it> <rXBc6-1tb-11@gated-at.bofh.it> <s1jqi-5A2-29@gated-at.bofh.it> <s1kFH-6jL-11@gated-at.bofh.it>
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> On 2016年08月01日 19:03, Johannes Berg wrote:
>>
>> But why is that behaviour *correct*? We still support 40 MHz bandwidth
>> things, we just don't use them if we disable HT40.

Or do you mean difference between "hardware capability" and "software 
capability" ?
Do you think IEEE80211_HT_CAP_SUP_WIDTH_20_40 bit should be 1 if the 
hardware capable of HT40 even though HT40 is disabled by 
wpa_supplicant/hostapd ?

I have tested with hostapd. I compared these 2 configfiles.

hostapd0.conf
	ht_capab=[HT40-]
hostapd1.conf
	#ht_capab=[HT40-]

The IEEE80211_HT_CAP_SUP_WIDTH_20_40 bit in beacon was below.

hostapd0.conf
	IEEE80211_HT_CAP_SUP_WIDTH_20_40 = 1
hostapd1.conf
	IEEE80211_HT_CAP_SUP_WIDTH_20_40 = 0

So I think the bit should be zero if disabled also for mesh peer.

Masashi Honma.

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Thread

Re: [PATCH v3 3/3] mac80211: mesh: fixed HT ies in beacon template Johannes Berg <johannes@sipsolutions.net> - 2016-08-01 13:20 +0200
  Re: [PATCH v3 3/3] mac80211: mesh: fixed HT ies in beacon template Masashi Honma <masashi.honma@gmail.com> - 2016-08-01 14:40 +0200
    Re: [PATCH v3 3/3] mac80211: mesh: fixed HT ies in beacon template Masashi Honma <masashi.honma@gmail.com> - 2016-08-02 06:20 +0200
      Re: [PATCH v3 3/3] mac80211: mesh: fixed HT ies in beacon template Johannes Berg <johannes@sipsolutions.net> - 2016-08-02 09:30 +0200
        Re: [PATCH v3 3/3] mac80211: mesh: fixed HT ies in beacon template Masashi Honma <masashi.honma@gmail.com> - 2016-08-03 05:00 +0200
          Re: [PATCH v3 3/3] mac80211: mesh: fixed HT ies in beacon template Johannes Berg <johannes@sipsolutions.net> - 2016-08-03 09:00 +0200

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