1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Scan interface for ST-Ericsson CW1200 mac80211 drivers
4 *
5 * Copyright (c) 2010, ST-Ericsson
6 * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
7 */
8
9#ifndef SCAN_H_INCLUDED
10#define SCAN_H_INCLUDED
11
12#include <linux/semaphore.h>
13#include "wsm.h"
14
15/* external */ struct sk_buff;
16/* external */ struct cfg80211_scan_request;
17/* external */ struct ieee80211_channel;
18/* external */ struct ieee80211_hw;
19/* external */ struct work_struct;
20
21struct cw1200_scan {
22	struct semaphore lock;
23	struct work_struct work;
24	struct delayed_work timeout;
25	struct cfg80211_scan_request *req;
26	struct ieee80211_channel **begin;
27	struct ieee80211_channel **curr;
28	struct ieee80211_channel **end;
29	struct wsm_ssid ssids[WSM_SCAN_MAX_NUM_OF_SSIDS];
30	int output_power;
31	int n_ssids;
32	int status;
33	atomic_t in_progress;
34	/* Direct probe requests workaround */
35	struct delayed_work probe_work;
36	int direct_probe;
37};
38
39int cw1200_hw_scan(struct ieee80211_hw *hw,
40		   struct ieee80211_vif *vif,
41		   struct ieee80211_scan_request *hw_req);
42void cw1200_scan_work(struct work_struct *work);
43void cw1200_scan_timeout(struct work_struct *work);
44void cw1200_clear_recent_scan_work(struct work_struct *work);
45void cw1200_scan_complete_cb(struct cw1200_common *priv,
46			     struct wsm_scan_complete *arg);
47void cw1200_scan_failed_cb(struct cw1200_common *priv);
48
49/* ******************************************************************** */
50/* Raw probe requests TX workaround					*/
51void cw1200_probe_work(struct work_struct *work);
52
53#endif
54