drivers/net/wireless/libertas/scan.h

/**
  * Interface for the wlan network scan routines
  *
  * Driver interface functions and type declarations for the scan module
  * implemented in scan.c.
  */
#ifndef _LBS_SCAN_H
#define _LBS_SCAN_H

#include <net/iw_handler.h>

struct lbs_private;

#define MAX_NETWORK_COUNT 128

/** Chan-freq-TxPower mapping table*/
struct chan_freq_power {
	/** channel Number		*/
	u16 channel;
	/** frequency of this channel	*/
	u32 freq;
	/** Max allowed Tx power level	*/
	u16 maxtxpower;
	/** TRUE:channel unsupported;  FLASE:supported*/
	u8 unsupported;
};

/** region-band mapping table*/
struct region_channel {
	/** TRUE if this entry is valid		     */
	u8 valid;
	/** region code for US, Japan ...	     */
	u8 region;
	/** band B/G/A, used for BAND_CONFIG cmd	     */
	u8 band;
	/** Actual No. of elements in the array below */
	u8 nrcfp;
	/** chan-freq-txpower mapping table*/
	struct chan_freq_power *CFP;
};

/**
 *  @brief Maximum number of channels that can be sent in a setuserscan ioctl
 */
#define LBS_IOCTL_USER_SCAN_CHAN_MAX  50

int lbs_ssid_cmp(u8 *ssid1, u8 ssid1_len, u8 *ssid2, u8 ssid2_len);

int lbs_set_regiontable(struct lbs_private *priv, u8 region, u8 band);

int lbs_send_specific_ssid_scan(struct lbs_private *priv, u8 *ssid,
				u8 ssid_len);

int lbs_get_scan(struct net_device *dev, struct iw_request_info *info,
			 struct iw_point *dwrq, char *extra);
int lbs_set_scan(struct net_device *dev, struct iw_request_info *info,
			 union iwreq_data *wrqu, char *extra);

int lbs_scan_networks(struct lbs_private *priv, int full_scan);

void lbs_scan_worker(struct work_struct *work);

#endif