On Tue, 2013-12-03 at 21:16 +0200, Ilan Peer wrote:
> +#ifdef CONFIG_CFG80211_REG_SOFT_CONFIGURATIONS
> +/* For GO only, check if the channel can be used under permissive conditions
> + * mandated by the some regulatory bodies, i.e., the channel is marked with
> + * 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).
> + */
> +static bool cfg80211_go_permissive_chan(struct cfg80211_registered_device *rdev,
> + struct ieee80211_channel *chan)
> +{
Seems like you could move the ifdef here ...
> + struct wireless_dev *wdev_iter;
> +
> + ASSERT_RTNL();
> +
> + if (!(chan->flags & IEEE80211_CHAN_GO_CONCURRENT))
> + return false;
> +
> + list_for_each_entry(wdev_iter, &rdev->wdev_list, list) {
> + struct ieee80211_channel *other_chan = NULL;
> +
> + if (wdev_iter->iftype != NL80211_IFTYPE_STATION ||
> + !netif_running(wdev_iter->netdev))
> + continue;
> +
> + wdev_lock(wdev_iter);
> + if (wdev_iter->current_bss)
> + other_chan = wdev_iter->current_bss->pub.channel;
> + wdev_unlock(wdev_iter);
> +
> + if (!other_chan)
> + continue;
> +
> + if (chan == other_chan) {
> + return true;
> + } else if (chan->band == IEEE80211_BAND_5GHZ) {
> + int r1 = cfg80211_get_unii(chan->center_freq);
> + int r2 = cfg80211_get_unii(other_chan->center_freq);
> +
> + if (r1 != -EINVAL && r1 == r2)
> + return true;
> + }
> + }
and here instead of duplicating the function prototype
> + return false;
> +}
johannes
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