[PATCH] wpa_supplicant: Enable HT40 support for AP mode

[Arik Nemtsov]

On Mon, Jul 9, 2012 at 7:51 AM, Rajkumar Manoharan
<rmanohar at qca.qualcomm.com> wrote:
> Right now HT40 mode is not enabled for AP/P2P GO mode in wpa_supplicant.
> If the HW is capable of 40MHz channel width and user specifies the
> secondary channel posision, lets enable the HT40 mode in wpa_s. This
> patch also enables HT40 support for P2P mode.
>
> ap_ht40_mode : -1 -> HT40MINUS, 1 -> HT40PLUS
>
> Signed-hostap: Rajkumar Manoharan <rmanohar at qca.qualcomm.com>
> ---
>  wpa_supplicant/ap.c               | 3 +++
>  wpa_supplicant/config.c           | 5 ++++-
>  wpa_supplicant/config.h           | 7 +++++++
>  wpa_supplicant/config_file.c      | 4 ++++
>  wpa_supplicant/p2p_supplicant.c   | 2 --
>  wpa_supplicant/wpa_supplicant.c   | 2 ++
>  wpa_supplicant/wpa_supplicant_i.h | 1 +
>  7 files changed, 21 insertions(+), 3 deletions(-)
>
> diff --git a/wpa_supplicant/ap.c b/wpa_supplicant/ap.c
> index f9e0045..25a07d5 100644
> --- a/wpa_supplicant/ap.c
> +++ b/wpa_supplicant/ap.c
> @@ -99,6 +99,9 @@ static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
>
>                 if (!no_ht && mode && mode->ht_capab) {
>                         conf->ieee80211n = 1;
> +                       if (mode->ht_capab & HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)
> +                               conf->secondary_channel =
> +                                       wpa_s->global->ap_ht40_mode;

Can you tell me why HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET is not enabled
in the capabilities white-list?
(just below this code).

I must be missing something, otherwise I'm not sure how this works..

Thanks,
Arik