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Re: [PATCH v5 5/5] cfg80211: Enable GO operation on indoor channels

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On Thu, Feb 20, 2014 at 3:44 AM, Ilan Peer <ilan.peer@xxxxxxxxx> wrote:
> Allow GO operation on a channel marked with IEEE80211_CHAN_INDOOR_ONLY
> iff there is a user hint indicating that the platform is operating in
> an indoor environment, i.e., the platform is a printer or media center
> device.
>
> Signed-off-by: Ilan Peer <ilan.peer@xxxxxxxxx>
> ---
>  net/wireless/chan.c |   12 ++++++++++--
>  1 file changed, 10 insertions(+), 2 deletions(-)
>
> diff --git a/net/wireless/chan.c b/net/wireless/chan.c
> index 1d8c990..b18367d 100644
> --- a/net/wireless/chan.c
> +++ b/net/wireless/chan.c
> @@ -611,6 +611,8 @@ EXPORT_SYMBOL(cfg80211_chandef_usable);
>   * IEEE80211_CHAN_GO_CONCURRENT and there is an additional station interface
>   * associated to an AP on the same channel or on the same UNII band
>   * (assuming that the AP is an authorized master).
> + * In addition allow the GO to operate on a channel on which indoor operation is
> + * allowed, iff we are currently operating in an indoor environment.
>   */
>  static bool cfg80211_go_permissive_chan(struct cfg80211_registered_device *rdev,
>                                         struct ieee80211_channel *chan)
> @@ -621,8 +623,14 @@ static bool cfg80211_go_permissive_chan(struct cfg80211_registered_device *rdev,
>         ASSERT_RTNL();
>
>         if (!config_enabled(CONFIG_CFG80211_REG_RELAX_NO_IR) ||
> -           !(wiphy->regulatory_flags & REGULATORY_ENABLE_RELAX_NO_IR) ||
> -           !(chan->flags & IEEE80211_CHAN_GO_CONCURRENT))
> +           !(wiphy->regulatory_flags & REGULATORY_ENABLE_RELAX_NO_IR))
> +               return false;
> +
> +       if (regulatory_indoor_allowed() &&
> +           (chan->flags & IEEE80211_CHAN_INDOOR_ONLY))
> +               return true;
> +
> +       if (!(chan->flags & IEEE80211_CHAN_GO_CONCURRENT))
>                 return false;

Shouldn't this check go before the indoor one?

  Luis
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