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+/**
+ * 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/ieee80211.h>
+#include "hostcmd.h"
+
+/**
+ * @brief Maximum number of channels that can be sent in a setuserscan ioctl
+ *
+ * @sa lbs_ioctl_user_scan_cfg
+ */
+#define LBS_IOCTL_USER_SCAN_CHAN_MAX 50
+
+//! Infrastructure BSS scan type in lbs_scan_cmd_config
+#define LBS_SCAN_BSS_TYPE_BSS 1
+
+//! Adhoc BSS scan type in lbs_scan_cmd_config
+#define LBS_SCAN_BSS_TYPE_IBSS 2
+
+//! Adhoc or Infrastructure BSS scan type in lbs_scan_cmd_config, no filter
+#define LBS_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 lbs_cmd_80211_scan.
+ *
+ * @sa lbs_scan_networks
+ *
+ */
+struct lbs_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:
+ *
+ * - LBS_SCAN_BSS_TYPE_BSS (infrastructure)
+ * - LBS_SCAN_BSS_TYPE_IBSS (adhoc)
+ * - LBS_SCAN_BSS_TYPE_ANY (unrestricted, adhoc and infrastructure)
+ */
+ u8 bsstype;
+
+ /**
+ * @brief Specific BSSID used to filter scan results in the firmware
+ */
+ u8 bssid[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 lbs_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 lbs_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 (LBS_SET_USER_SCAN) private ioctl. Specifies
+ * a number of parameters to be used in general for the scan as well
+ * as a channel list (lbs_ioctl_user_scan_chan) for each scan period
+ * desired.
+ *
+ * @sa lbs_set_user_scan_ioctl
+ */
+struct lbs_ioctl_user_scan_cfg {
+ /**
+ * @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:
+ *
+ * - LBS_SCAN_BSS_TYPE_BSS (infrastructure)
+ * - LBS_SCAN_BSS_TYPE_IBSS (adhoc)
+ * - LBS_SCAN_BSS_TYPE_ANY (unrestricted, adhoc and infrastructure)
+ */
+ u8 bsstype;
+
+ /**
+ * @brief BSSID filter sent in the firmware command to limit the results
+ */
+ u8 bssid[ETH_ALEN];
+
+ /* Clear existing scan results matching this BSSID */
+ u8 clear_bssid;
+
+ /**
+ * @brief SSID filter sent in the firmware command to limit the results
+ */
+ char ssid[IW_ESSID_MAX_SIZE];
+ u8 ssid_len;
+
+ /* Clear existing scan results matching this SSID */
+ u8 clear_ssid;
+};
+
+/**
+ * @brief Structure used to store information for each beacon/probe response
+ */
+struct bss_descriptor {
+ u8 bssid[ETH_ALEN];
+
+ u8 ssid[IW_ESSID_MAX_SIZE + 1];
+ u8 ssid_len;
+
+ u16 capability;
+
+ /* receive signal strength in dBm */
+ long rssi;
+
+ u32 channel;
+
+ u16 beaconperiod;
+
+ u32 atimwindow;
+
+ /* IW_MODE_AUTO, IW_MODE_ADHOC, IW_MODE_INFRA */
+ u8 mode;
+
+ /* zero-terminated array of supported data rates */
+ u8 rates[MAX_RATES + 1];
+
+ unsigned long last_scanned;
+
+ union ieeetypes_phyparamset phyparamset;
+ union IEEEtypes_ssparamset ssparamset;
+
+ struct ieeetypes_countryinfofullset countryinfo;
+
+ u8 wpa_ie[MAX_WPA_IE_LEN];
+ size_t wpa_ie_len;
+ u8 rsn_ie[MAX_WPA_IE_LEN];
+ size_t rsn_ie_len;
+
+ u8 mesh;
+
+ struct list_head list;
+};
+
+int lbs_ssid_cmp(u8 *ssid1, u8 ssid1_len, u8 *ssid2, u8 ssid2_len);
+
+struct bss_descriptor *lbs_find_ssid_in_list(struct lbs_private *priv,
+ u8 *ssid, u8 ssid_len, u8 *bssid, u8 mode,
+ int channel);
+
+struct bss_descriptor *lbs_find_bssid_in_list(struct lbs_private *priv,
+ u8 *bssid, u8 mode);
+
+int lbs_find_best_network_ssid(struct lbs_private *priv, u8 *out_ssid,
+ u8 *out_ssid_len, u8 preferred_mode, u8 *out_mode);
+
+int lbs_send_specific_ssid_scan(struct lbs_private *priv, u8 *ssid,
+ u8 ssid_len, u8 clear_ssid);
+
+int lbs_cmd_80211_scan(struct lbs_private *priv,
+ struct cmd_ds_command *cmd,
+ void *pdata_buf);
+
+int lbs_ret_80211_scan(struct lbs_private *priv,
+ struct cmd_ds_command *resp);
+
+int lbs_scan_networks(struct lbs_private *priv,
+ const struct lbs_ioctl_user_scan_cfg *puserscanin,
+ int full_scan);
+
+struct ifreq;
+
+struct iw_point;
+struct iw_param;
+struct iw_request_info;
+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,
+ struct iw_param *vwrq, char *extra);
+
+void lbs_scan_worker(struct work_struct *work);
+
+#endif