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

drivers/net/wireless/wl12xx/main.c

+23 −0
Original line number Diff line number Diff line
@@ -335,6 +335,27 @@ static int wl1271_dev_notify(struct notifier_block *me, unsigned long what, 
	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;