drivers/net/wireless/st/cw1200/scan.h

   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
  21 struct 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
  39 int cw1200_hw_scan(struct ieee80211_hw *hw,
  40                    struct ieee80211_vif *vif,
  41                    struct ieee80211_scan_request *hw_req);
  42 void cw1200_scan_work(struct work_struct *work);
  43 void cw1200_scan_timeout(struct work_struct *work);
  44 void cw1200_clear_recent_scan_work(struct work_struct *work);
  45 void cw1200_scan_complete_cb(struct cw1200_common *priv,
  46                              struct wsm_scan_complete *arg);
  47 void cw1200_scan_failed_cb(struct cw1200_common *priv);
  48
  49 /* ******************************************************************** */
  50 /* Raw probe requests TX workaround                                     */
  51 void cw1200_probe_work(struct work_struct *work);
  52
  53 #endif