On 20 February 2014 08:08, Johannes Berg <johannes@xxxxxxxxxxxxxxxx> wrote: > On Thu, 2014-02-20 at 07:07 +0100, Janusz Dziedzic wrote: > >> > What happens if an old kernel gets a new wireless-regdb with AUTO on >> > all of its 5 GHz regdomain for the country it using ? I see no mention >> > of this anywhere in the documentation and at least from the code >> > review I just did it seemed like we'd use 0. I hope I'm wrong as >> > otherwise that'd introduce a severe regression when this is introduced >> > to wireless-regdb. > >> Old-kernel + new wireless-regdb + new crda. >> In case of AUTO we will not set NL80211_ATTR_FREQ_RANGE_MAX_BW we will >> get -EINVAL > > That seems like a problem. > So, we can always add NL80211_ATTR_FREQ_RANGE_MAX_BW set as 0 in crda. Then all channels where BW=0 will be HT20 only for old kernel. BR Janusz -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
