drivers/net/wireless/cw1200/scan.h

   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
  24 struct 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
  42 int cw1200_hw_scan(struct ieee80211_hw *hw,
  43                    struct ieee80211_vif *vif,
  44                    struct cfg80211_scan_request *req);
  45 void cw1200_scan_work(struct work_struct *work);
  46 void cw1200_scan_timeout(struct work_struct *work);
  47 void cw1200_clear_recent_scan_work(struct work_struct *work);
  48 void cw1200_scan_complete_cb(struct cw1200_common *priv,
  49                              struct wsm_scan_complete *arg);
  50 void cw1200_scan_failed_cb(struct cw1200_common *priv);
  51
  52 /* ******************************************************************** */
  53 /* Raw probe requests TX workaround                                     */
  54 void cw1200_probe_work(struct work_struct *work);
  55
  56 #endif