text: /*
   * This file is part of wl18xx
   *
   * Copyright (C) 2012 Texas Instruments. All rights reserved.
   *
   * 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.
   *
   * This program is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
   * 02110-1301 USA
   *
   */
  
  #ifndef __WL18XX_SCAN_H__
  #define __WL18XX_SCAN_H__
  
  #include "../wlcore/wlcore.h"
  #include "../wlcore/cmd.h"
  #include "../wlcore/scan.h"
  
  struct tracking_ch_params {
  	struct conn_scan_ch_params channel;
  
  	__le32 bssid_lsb;
  	__le16 bssid_msb;
  
  	u8 padding[2];
  } __packed;
  
  /* probe request rate */
  enum
  {
  	WL18XX_SCAN_RATE_1	= 0,
  	WL18XX_SCAN_RATE_5_5	= 1,
  	WL18XX_SCAN_RATE_6	= 2,
  };
  
  #define WL18XX_MAX_CHANNELS_5GHZ 32
  
  struct wl18xx_cmd_scan_params {
  	struct wl1271_cmd_header header;
  
  	u8 role_id;
  	u8 scan_type;
  
  	s8 rssi_threshold; /* for filtering (in dBm) */
  	s8 snr_threshold;  /* for filtering (in dB) */
  
  	u8 bss_type;	   /* for filtering */
  	u8 ssid_from_list; /* use ssid from configured ssid list */
  	u8 filter;	   /* forward only results with matching ssids */
  
  	/*
  	 * add broadcast ssid in addition to the configured ssids.
  	 * the driver should add dummy entry for it (?).
  	 */
  	u8 add_broadcast;
  
  	u8 urgency;
  	u8 protect;	 /* ??? */
  	u8 n_probe_reqs;    /* Number of probes requests per channel */
  	u8 terminate_after; /* early terminate scan operation */
  
  	u8 passive[SCAN_MAX_BANDS]; /* number of passive scan channels */
  	u8 active[SCAN_MAX_BANDS];  /* number of active scan channels */
  	u8 dfs;		   /* number of dfs channels in 5ghz */
  	u8 passive_active; /* number of passive before active channels 2.4ghz */
  
  	__le16 short_cycles_msec;
  	__le16 long_cycles_msec;
  	u8 short_cycles_count;
  	u8 total_cycles; /* 0 - infinite */
  	u8 padding[2];
  
  	union {
  		struct {
  			struct conn_scan_ch_params channels_2[MAX_CHANNELS_2GHZ];
  			struct conn_scan_ch_params channels_5[WL18XX_MAX_CHANNELS_5GHZ];
  			struct conn_scan_ch_params channels_4[MAX_CHANNELS_4GHZ];
  		};
  		struct tracking_ch_params channels_tracking[WL1271_SCAN_MAX_CHANNELS];
  	} ;
  
  	u8 ssid[IEEE80211_MAX_SSID_LEN];
  	u8 ssid_len;	 /* For SCAN_SSID_FILTER_SPECIFIC */
  	u8 tag;
  	u8 rate;
  
  	/* send SCAN_REPORT_EVENT in periodic scans after each cycle
  	* if number of results >= report_threshold. Must be 0 for
  	* non periodic scans
  	*/
  	u8 report_threshold;
  
  	/* Should periodic scan stop after a report event was created.
  	* Must be 0 for non periodic scans.
  	*/
  	u8 terminate_on_report;
  
  	u8 padding1[3];
  } __packed;
  
  struct wl18xx_cmd_scan_stop {
  	struct wl1271_cmd_header header;
  
  	u8 role_id;
  	u8 scan_type;
  	u8 padding[2];
  } __packed;
  
  int wl18xx_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif,
  		      struct cfg80211_scan_request *req);
  int wl18xx_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif);
  void wl18xx_scan_completed(struct wl1271 *wl, struct wl12xx_vif *wlvif);
  int wl18xx_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif,
  			    struct cfg80211_sched_scan_request *req,
  			    struct ieee80211_scan_ies *ies);
  void wl18xx_scan_sched_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif);
  #endif
  