| /** |
| * 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 <net/ieee80211.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; |
| |
| u8 mode; |
| 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; |
| |
| u8 wpa_ie[MAX_WPA_IE_LEN]; |
| size_t wpa_ie_len; |
| u8 rsn_ie[MAX_WPA_IE_LEN]; |
| size_t rsn_ie_len; |
| }; |
| |
| 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, u8 mode); |
| int libertas_find_best_SSID_in_list(wlan_adapter * adapter, u8 mode); |
| extern int libertas_find_BSSID_in_list(wlan_adapter * adapter, u8 * bssid, u8 mode); |
| |
| int libertas_find_best_network_SSID(wlan_private * priv, |
| struct WLAN_802_11_SSID *pSSID, |
| u8 preferred_mode, u8 *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 */ |