On Mon, 2009-04-06 at 16:15 -0400, Luis R. Rodriguez wrote:
> We weren't checking this at all.
>
> Signed-off-by: Luis R. Rodriguez <lrodriguez@xxxxxxxxxxx>
> ---
> net/mac80211/ht.c | 8 ++++++--
> 1 files changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
> index 4e3c72f..967367c 100644
> --- a/net/mac80211/ht.c
> +++ b/net/mac80211/ht.c
> @@ -122,10 +122,14 @@ u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
> (hti->ht_param & IEEE80211_HT_PARAM_CHAN_WIDTH_ANY)) {
> switch(hti->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
> case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
> - channel_type = NL80211_CHAN_HT40PLUS;
> + if (!(local->hw.conf.channel->flags &
> + IEEE80211_CHAN_NO_HT40PLUS))
> + channel_type = NL80211_CHAN_HT40PLUS;
This patch is not sufficient -- you also need to modify
ieee80211_send_assoc. Otherwise we end up telling the AP that we support
HT40, but tuning the hardware to HT20.
johannes
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