Commit b7417d93 authored by Juuso Oikarinen's avatar Juuso Oikarinen Committed by Luciano Coelho
Browse files

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: default avatarJuuso Oikarinen <juuso.oikarinen@nokia.com>
Tested-by: default avatarTuomas Katila <ext-tuomas.2.katila@nokia.com>
Reviewed-by: default avatarLuciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: default avatarLuciano Coelho <luciano.coelho@nokia.com>
parent 91433029
......@@ -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;
......
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