On Wed, Nov 5, 2014 at 5:16 AM, Luis R. Rodriguez
<mcgrof@xxxxxxxxxxxxxxxx> wrote:
> On Wed, Oct 22, 2014 at 11:37 PM, Arik Nemtsov <arik@xxxxxxxxxx> wrote:
>> +static bool reg_wdev_chan_valid(struct wiphy *wiphy, struct wireless_dev *wdev)
>> +{
>> + struct ieee80211_channel *ch;
>> + struct cfg80211_chan_def chandef;
>> + struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
>> + bool ret = true;
>> +
>> + wdev_lock(wdev);
>> +
>> + if (!wdev->netdev || !netif_running(wdev->netdev))
>> + goto out;
>> +
>> + switch (wdev->iftype) {
>> + case NL80211_IFTYPE_AP:
>> + case NL80211_IFTYPE_P2P_GO:
>> + if (!wdev->beacon_interval)
>> + goto out;
>> +
>> + ret = cfg80211_reg_can_beacon(wiphy,
>> + &wdev->chandef, wdev->iftype);
>> + break;
>> + case NL80211_IFTYPE_STATION:
>> + case NL80211_IFTYPE_P2P_CLIENT:
>> + if (!wdev->current_bss ||
>> + !wdev->current_bss->pub.channel)
>> + goto out;
>> +
>> + ch = wdev->current_bss->pub.channel;
>> + if (rdev->ops->get_channel &&
>> + !rdev_get_channel(rdev, wdev, &chandef))
>> + ret = cfg80211_chandef_usable(wiphy, &chandef,
>> + IEEE80211_CHAN_DISABLED);
>> + else
>> + ret = !(ch->flags & IEEE80211_CHAN_DISABLED);
>> + break;
>> + default:
>> + /* others not implemented for now */
>
> Looks good to me except this of course, since its a flag that will
> enable this per wiphy might as well WARN() if you really do not want
> to think about this. That means that once someone does enable this on
> a wiphy with the other type of interfaces they'll have to think about
> this, likewise one could warn if a wiphy interface is registered with
> the flag to follow this but supports a mode not handled here yet.
But I do want to support a wiphy that has other modes
(NL80211_IFTYPE_ADHOC), but I don't want people to get warnings every
time they use IBSS.
Maybe I'll rename the flag to REGULATORY_ENFORCE_AP_STA_CHANNELS?
Arik
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