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Re: net/wireless/chan.c: prohibited_flags wrongly set

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2014-05-01 10:26 GMT+02:00 Arend van Spriel <arend@xxxxxxxxxxxx>:
> Hi Johannes,
>
> I was debugging issue with hostapd failing on setting channel when I came
> across this piece of code in chan.c:545:cfg80211_chandef_usable():
>
>         if (width > 20)
>                 prohibited_flags |= IEEE80211_CHAN_NO_OFDM;
>
>         /* 5 and 10 MHz are only defined for the OFDM PHY */
>         if (width < 20)
>                 prohibited_flags |= IEEE80211_CHAN_NO_OFDM;
>
> I suspect the first if statement to be wrong, but what should it be?
>
 width > 20 - HT40, VHT80 ... - 80211n/80211ac using OFDM - so NO_OFDM
seems to be prohibited.

BR
Janusz
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