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diff --git a/drivers/net/wireless/libertas/scan.h b/drivers/net/wireless/libertas/scan.h
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+/* -*- mode: C; tab-width: 4; indent-tabs-mode: nil -*- */
+/* vi: set expandtab shiftwidth=4 tabstop=4 textwidth=78: */
+
+/**
+ * Interface for the wlan network scan routines
+ *
+ * Driver interface functions and type declarations for the scan module
+ * implemented in wlan_scan.c.
+ */
+#ifndef _WLAN_SCAN_H
+#define _WLAN_SCAN_H
+
+#include "hostcmd.h"
+
+/**
+ * @brief Maximum number of channels that can be sent in a setuserscan ioctl
+ *
+ * @sa wlan_ioctl_user_scan_cfg
+ */
+#define WLAN_IOCTL_USER_SCAN_CHAN_MAX 50
+
+//! Infrastructure BSS scan type in wlan_scan_cmd_config
+#define WLAN_SCAN_BSS_TYPE_BSS 1
+
+//! Adhoc BSS scan type in wlan_scan_cmd_config
+#define WLAN_SCAN_BSS_TYPE_IBSS 2
+
+//! Adhoc or Infrastructure BSS scan type in wlan_scan_cmd_config, no filter
+#define WLAN_SCAN_BSS_TYPE_ANY 3
+
+/**
+ * @brief Structure used internally in the wlan driver to configure a scan.
+ *
+ * Sent to the command processing module to configure the firmware
+ * scan command prepared by libertas_cmd_80211_scan.
+ *
+ * @sa wlan_scan_networks
+ *
+ */
+struct wlan_scan_cmd_config {
+ /**
+ * @brief BSS type to be sent in the firmware command
+ *
+ * Field can be used to restrict the types of networks returned in the
+ * scan. valid settings are:
+ *
+ * - WLAN_SCAN_BSS_TYPE_BSS (infrastructure)
+ * - WLAN_SCAN_BSS_TYPE_IBSS (adhoc)
+ * - WLAN_SCAN_BSS_TYPE_ANY (unrestricted, adhoc and infrastructure)
+ */
+ u8 bsstype;
+
+ /**
+ * @brief Specific BSSID used to filter scan results in the firmware
+ */
+ u8 specificBSSID[ETH_ALEN];
+
+ /**
+ * @brief length of TLVs sent in command starting at tlvBuffer
+ */
+ int tlvbufferlen;
+
+ /**
+ * @brief SSID TLV(s) and ChanList TLVs to be sent in the firmware command
+ *
+ * @sa TLV_TYPE_CHANLIST, mrvlietypes_chanlistparamset_t
+ * @sa TLV_TYPE_SSID, mrvlietypes_ssidparamset_t
+ */
+ u8 tlvbuffer[1]; //!< SSID TLV(s) and ChanList TLVs are stored here
+};
+
+/**
+ * @brief IOCTL channel sub-structure sent in wlan_ioctl_user_scan_cfg
+ *
+ * Multiple instances of this structure are included in the IOCTL command
+ * to configure a instance of a scan on the specific channel.
+ */
+struct wlan_ioctl_user_scan_chan {
+ u8 channumber; //!< channel Number to scan
+ u8 radiotype; //!< Radio type: 'B/G' band = 0, 'A' band = 1
+ u8 scantype; //!< Scan type: Active = 0, Passive = 1
+ u16 scantime; //!< Scan duration in milliseconds; if 0 default used
+};
+
+/**
+ * @brief IOCTL input structure to configure an immediate scan cmd to firmware
+ *
+ * Used in the setuserscan (WLAN_SET_USER_SCAN) private ioctl. Specifies
+ * a number of parameters to be used in general for the scan as well
+ * as a channel list (wlan_ioctl_user_scan_chan) for each scan period
+ * desired.
+ *
+ * @sa libertas_set_user_scan_ioctl
+ */
+struct wlan_ioctl_user_scan_cfg {
+
+ /**
+ * @brief Flag set to keep the previous scan table intact
+ *
+ * If set, the scan results will accumulate, replacing any previous
+ * matched entries for a BSS with the new scan data
+ */
+ u8 keeppreviousscan; //!< Do not erase the existing scan results
+
+ /**
+ * @brief BSS type to be sent in the firmware command
+ *
+ * Field can be used to restrict the types of networks returned in the
+ * scan. valid settings are:
+ *
+ * - WLAN_SCAN_BSS_TYPE_BSS (infrastructure)
+ * - WLAN_SCAN_BSS_TYPE_IBSS (adhoc)
+ * - WLAN_SCAN_BSS_TYPE_ANY (unrestricted, adhoc and infrastructure)
+ */
+ u8 bsstype;
+
+ /**
+ * @brief Configure the number of probe requests for active chan scans
+ */
+ u8 numprobes;
+
+ /**
+ * @brief BSSID filter sent in the firmware command to limit the results
+ */
+ u8 specificBSSID[ETH_ALEN];
+
+ /**
+ * @brief SSID filter sent in the firmware command to limit the results
+ */
+ char specificSSID[IW_ESSID_MAX_SIZE + 1];
+
+ /**
+ * @brief Variable number (fixed maximum) of channels to scan up
+ */
+ struct wlan_ioctl_user_scan_chan chanlist[WLAN_IOCTL_USER_SCAN_CHAN_MAX];
+};
+
+/**
+ * @brief Structure used to store information for each beacon/probe response
+ */
+struct bss_descriptor {
+ u8 macaddress[ETH_ALEN];
+
+ struct WLAN_802_11_SSID ssid;
+
+ /* WEP encryption requirement */
+ u32 privacy;
+
+ /* receive signal strength in dBm */
+ long rssi;
+
+ u32 channel;
+
+ u16 beaconperiod;
+
+ u32 atimwindow;
+
+ enum WLAN_802_11_NETWORK_INFRASTRUCTURE inframode;
+ u8 libertas_supported_rates[WLAN_SUPPORTED_RATES];
+
+ int extra_ie;
+
+ u8 timestamp[8]; //!< TSF value included in the beacon/probe response
+ union ieeetypes_phyparamset phyparamset;
+ union IEEEtypes_ssparamset ssparamset;
+ struct ieeetypes_capinfo cap;
+ u8 datarates[WLAN_SUPPORTED_RATES];
+
+ __le64 networktsf; //!< TSF timestamp from the current firmware TSF
+
+ struct ieeetypes_countryinfofullset countryinfo;
+
+ struct WPA_SUPPLICANT wpa_supplicant;
+ struct WPA_SUPPLICANT wpa2_supplicant;
+
+};
+
+extern int libertas_SSID_cmp(struct WLAN_802_11_SSID *ssid1,
+ struct WLAN_802_11_SSID *ssid2);
+extern int libertas_find_SSID_in_list(wlan_adapter * adapter, struct WLAN_802_11_SSID *ssid,
+ u8 * bssid, int mode);
+int libertas_find_best_SSID_in_list(wlan_adapter * adapter, enum WLAN_802_11_NETWORK_INFRASTRUCTURE mode);
+extern int libertas_find_BSSID_in_list(wlan_adapter * adapter, u8 * bssid, int mode);
+
+int libertas_find_best_network_SSID(wlan_private * priv,
+ struct WLAN_802_11_SSID *pSSID,
+ enum WLAN_802_11_NETWORK_INFRASTRUCTURE preferred_mode,
+ enum WLAN_802_11_NETWORK_INFRASTRUCTURE *out_mode);
+
+extern int libertas_send_specific_SSID_scan(wlan_private * priv,
+ struct WLAN_802_11_SSID *prequestedssid,
+ u8 keeppreviousscan);
+extern int libertas_send_specific_BSSID_scan(wlan_private * priv,
+ u8 * bssid, u8 keeppreviousscan);
+
+extern int libertas_cmd_80211_scan(wlan_private * priv,
+ struct cmd_ds_command *cmd,
+ void *pdata_buf);
+
+extern int libertas_ret_80211_scan(wlan_private * priv,
+ struct cmd_ds_command *resp);
+
+int wlan_scan_networks(wlan_private * priv,
+ const struct wlan_ioctl_user_scan_cfg * puserscanin);
+
+struct ifreq;
+
+struct iw_point;
+struct iw_param;
+struct iw_request_info;
+extern int libertas_get_scan(struct net_device *dev, struct iw_request_info *info,
+ struct iw_point *dwrq, char *extra);
+extern int libertas_set_scan(struct net_device *dev, struct iw_request_info *info,
+ struct iw_param *vwrq, char *extra);
+
+#endif /* _WLAN_SCAN_H */