1/*
 2 * Scan interface for ST-Ericsson CW1200 mac80211 drivers
 3 *
 4 * Copyright (c) 2010, ST-Ericsson
 5 * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
 6 *
 7 * This program is free software; you can redistribute it and/or modify
 8 * it under the terms of the GNU General Public License version 2 as
 9 * published by the Free Software Foundation.
10 */
11
12#ifndef SCAN_H_INCLUDED
13#define SCAN_H_INCLUDED
14
15#include <linux/semaphore.h>
16#include "wsm.h"
17
18/* external */ struct sk_buff;
19/* external */ struct cfg80211_scan_request;
20/* external */ struct ieee80211_channel;
21/* external */ struct ieee80211_hw;
22/* external */ struct work_struct;
23
24struct cw1200_scan {
25	struct semaphore lock;
26	struct work_struct work;
27	struct delayed_work timeout;
28	struct cfg80211_scan_request *req;
29	struct ieee80211_channel **begin;
30	struct ieee80211_channel **curr;
31	struct ieee80211_channel **end;
32	struct wsm_ssid ssids[WSM_SCAN_MAX_NUM_OF_SSIDS];
33	int output_power;
34	int n_ssids;
35	int status;
36	atomic_t in_progress;
37	/* Direct probe requests workaround */
38	struct delayed_work probe_work;
39	int direct_probe;
40};
41
42int cw1200_hw_scan(struct ieee80211_hw *hw,
43		   struct ieee80211_vif *vif,
44		   struct ieee80211_scan_request *hw_req);
45void cw1200_scan_work(struct work_struct *work);
46void cw1200_scan_timeout(struct work_struct *work);
47void cw1200_clear_recent_scan_work(struct work_struct *work);
48void cw1200_scan_complete_cb(struct cw1200_common *priv,
49			     struct wsm_scan_complete *arg);
50void cw1200_scan_failed_cb(struct cw1200_common *priv);
51
52/* ******************************************************************** */
53/* Raw probe requests TX workaround					*/
54void cw1200_probe_work(struct work_struct *work);
55
56#endif