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kernel/linux-rt-4.4.41/drivers/net/wireless/cw1200/scan.h 1.67 KB
5113f6f70   김현기   kernel add
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  /*
   * Scan interface for ST-Ericsson CW1200 mac80211 drivers
   *
   * Copyright (c) 2010, ST-Ericsson
   * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  
  #ifndef SCAN_H_INCLUDED
  #define SCAN_H_INCLUDED
  
  #include <linux/semaphore.h>
  #include "wsm.h"
  
  /* external */ struct sk_buff;
  /* external */ struct cfg80211_scan_request;
  /* external */ struct ieee80211_channel;
  /* external */ struct ieee80211_hw;
  /* external */ struct work_struct;
  
  struct cw1200_scan {
  	struct semaphore lock;
  	struct work_struct work;
  	struct delayed_work timeout;
  	struct cfg80211_scan_request *req;
  	struct ieee80211_channel **begin;
  	struct ieee80211_channel **curr;
  	struct ieee80211_channel **end;
  	struct wsm_ssid ssids[WSM_SCAN_MAX_NUM_OF_SSIDS];
  	int output_power;
  	int n_ssids;
  	int status;
  	atomic_t in_progress;
  	/* Direct probe requests workaround */
  	struct delayed_work probe_work;
  	int direct_probe;
  };
  
  int cw1200_hw_scan(struct ieee80211_hw *hw,
  		   struct ieee80211_vif *vif,
  		   struct ieee80211_scan_request *hw_req);
  void cw1200_scan_work(struct work_struct *work);
  void cw1200_scan_timeout(struct work_struct *work);
  void cw1200_clear_recent_scan_work(struct work_struct *work);
  void cw1200_scan_complete_cb(struct cw1200_common *priv,
  			     struct wsm_scan_complete *arg);
  void cw1200_scan_failed_cb(struct cw1200_common *priv);
  
  /* ******************************************************************** */
  /* Raw probe requests TX workaround					*/
  void cw1200_probe_work(struct work_struct *work);
  
  #endif