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

From	Johannes Berg <johannes@sipsolutions.net>
Newsgroups	linux.kernel
Subject	Re: [PATCH v3 3/3] mac80211: mesh: fixed HT ies in beacon template
Date	2016-08-01 13:20 +0200
Message-ID	<s1jqi-5A2-29@gated-at.bofh.it> (permalink)
References	<rUyDL-7RI-9@gated-at.bofh.it> <rXBc6-1tb-11@gated-at.bofh.it> <s1jqi-5A2-31@gated-at.bofh.it> <rXBc6-1tb-11@gated-at.bofh.it>
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On Fri, 2016-07-22 at 14:26 +0900, Masashi Honma wrote:
> On 2016年07月14日 05:07, Yaniv Machani wrote:
> > +
> > +	/* if channel width is 20MHz - configure HT capab
> > accordingly*/
> > +	if (sdata->vif.bss_conf.chandef.width ==
> > NL80211_CHAN_WIDTH_20) {
> > +		cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
> > +		cap &= ~IEEE80211_HT_CAP_DSSSCCK40;
> > +	}
> 
> I have tested this part of your patch and this works for me.
> 
> Previouly, "Supported Channel Width Set bit" in HT Capabilities
> element was 1 even though disable_ht40=1 existed in
> wpa_supplicant.conf. After appllication of patch, the bit was 0.
> 

But why is that behaviour *correct*? We still support 40 MHz bandwidth
things, we just don't use them if we disable HT40.

johannes

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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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