diff options
| author | Juuso Oikarinen <juuso.oikarinen@nokia.com> | 2010-11-10 11:27:19 +0100 |
|---|---|---|
| committer | Luciano Coelho <luciano.coelho@nokia.com> | 2010-11-22 16:45:11 +0200 |
| commit | b7417d930afdc214daa24299912d984e7f4f390a (patch) | |
| tree | f17b2eed017b8ce5b86c99c728d92e5df0538043 /drivers/net/wireless/wl12xx | |
| parent | 91433029e42e58d8536299f32fa55cf589adff35 (diff) | |
| download | linux-stable-b7417d930afdc214daa24299912d984e7f4f390a.tar.gz linux-stable-b7417d930afdc214daa24299912d984e7f4f390a.tar.bz2 linux-stable-b7417d930afdc214daa24299912d984e7f4f390a.zip | |
wl1271: Prevent ad-hoc and active scanning on 11a DFS frequencies
The wl1271 does not support radar detection. Hence, prevent ad-hoc and
active scanning on frequencies requiring DFS.
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Tested-by: Tuomas Katila <ext-tuomas.2.katila@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Diffstat (limited to 'drivers/net/wireless/wl12xx')
| -rw-r--r-- | drivers/net/wireless/wl12xx/main.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c index c00523008be4..07243282e50a 100644 --- a/drivers/net/wireless/wl12xx/main.c +++ b/drivers/net/wireless/wl12xx/main.c @@ -335,6 +335,27 @@ out: return NOTIFY_OK; } +static int wl1271_reg_notify(struct wiphy *wiphy, + struct regulatory_request *request) { + struct ieee80211_supported_band *band; + struct ieee80211_channel *ch; + int i; + + band = wiphy->bands[IEEE80211_BAND_5GHZ]; + for (i = 0; i < band->n_channels; i++) { + ch = &band->channels[i]; + if (ch->flags & IEEE80211_CHAN_DISABLED) + continue; + + if (ch->flags & IEEE80211_CHAN_RADAR) + ch->flags |= IEEE80211_CHAN_NO_IBSS | + IEEE80211_CHAN_PASSIVE_SCAN; + + } + + return 0; +} + static void wl1271_conf_init(struct wl1271 *wl) { @@ -2590,6 +2611,8 @@ int wl1271_init_ieee80211(struct wl1271 *wl) wl->hw->queues = 4; wl->hw->max_rates = 1; + wl->hw->wiphy->reg_notifier = wl1271_reg_notify; + SET_IEEE80211_DEV(wl->hw, wl1271_wl_to_dev(wl)); return 0; |