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* adding libertas * config issue * quiet mode for bootloader git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9768 3c298f89-4303-0410-b956-a3cf2f4a3e73
206 lines
5.3 KiB
C
206 lines
5.3 KiB
C
/**
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* Interface for the wlan network scan routines
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*
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* Driver interface functions and type declarations for the scan module
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* implemented in scan.c.
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*/
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#ifndef _LBS_SCAN_H
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#define _LBS_SCAN_H
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#include <net/ieee80211.h>
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#include "hostcmd.h"
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/**
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* @brief Maximum number of channels that can be sent in a setuserscan ioctl
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*
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* @sa lbs_ioctl_user_scan_cfg
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*/
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#define LBS_IOCTL_USER_SCAN_CHAN_MAX 50
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//! Infrastructure BSS scan type in lbs_scan_cmd_config
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#define LBS_SCAN_BSS_TYPE_BSS 1
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//! Adhoc BSS scan type in lbs_scan_cmd_config
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#define LBS_SCAN_BSS_TYPE_IBSS 2
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//! Adhoc or Infrastructure BSS scan type in lbs_scan_cmd_config, no filter
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#define LBS_SCAN_BSS_TYPE_ANY 3
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/**
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* @brief Structure used internally in the wlan driver to configure a scan.
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*
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* Sent to the command processing module to configure the firmware
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* scan command prepared by lbs_cmd_80211_scan.
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*
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* @sa lbs_scan_networks
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*
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*/
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struct lbs_scan_cmd_config {
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/**
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* @brief BSS type to be sent in the firmware command
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*
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* Field can be used to restrict the types of networks returned in the
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* scan. valid settings are:
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*
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* - LBS_SCAN_BSS_TYPE_BSS (infrastructure)
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* - LBS_SCAN_BSS_TYPE_IBSS (adhoc)
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* - LBS_SCAN_BSS_TYPE_ANY (unrestricted, adhoc and infrastructure)
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*/
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u8 bsstype;
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/**
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* @brief Specific BSSID used to filter scan results in the firmware
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*/
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u8 bssid[ETH_ALEN];
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/**
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* @brief length of TLVs sent in command starting at tlvBuffer
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*/
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int tlvbufferlen;
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/**
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* @brief SSID TLV(s) and ChanList TLVs to be sent in the firmware command
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*
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* @sa TLV_TYPE_CHANLIST, mrvlietypes_chanlistparamset_t
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* @sa TLV_TYPE_SSID, mrvlietypes_ssidparamset_t
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*/
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u8 tlvbuffer[1]; //!< SSID TLV(s) and ChanList TLVs are stored here
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};
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/**
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* @brief IOCTL channel sub-structure sent in lbs_ioctl_user_scan_cfg
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*
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* Multiple instances of this structure are included in the IOCTL command
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* to configure a instance of a scan on the specific channel.
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*/
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struct lbs_ioctl_user_scan_chan {
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u8 channumber; //!< channel Number to scan
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u8 radiotype; //!< Radio type: 'B/G' band = 0, 'A' band = 1
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u8 scantype; //!< Scan type: Active = 0, Passive = 1
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u16 scantime; //!< Scan duration in milliseconds; if 0 default used
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};
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/**
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* @brief IOCTL input structure to configure an immediate scan cmd to firmware
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*
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* Used in the setuserscan (LBS_SET_USER_SCAN) private ioctl. Specifies
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* a number of parameters to be used in general for the scan as well
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* as a channel list (lbs_ioctl_user_scan_chan) for each scan period
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* desired.
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*
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* @sa lbs_set_user_scan_ioctl
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*/
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struct lbs_ioctl_user_scan_cfg {
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/**
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* @brief BSS type to be sent in the firmware command
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*
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* Field can be used to restrict the types of networks returned in the
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* scan. valid settings are:
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*
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* - LBS_SCAN_BSS_TYPE_BSS (infrastructure)
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* - LBS_SCAN_BSS_TYPE_IBSS (adhoc)
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* - LBS_SCAN_BSS_TYPE_ANY (unrestricted, adhoc and infrastructure)
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*/
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u8 bsstype;
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/**
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* @brief BSSID filter sent in the firmware command to limit the results
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*/
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u8 bssid[ETH_ALEN];
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/* Clear existing scan results matching this BSSID */
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u8 clear_bssid;
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/**
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* @brief SSID filter sent in the firmware command to limit the results
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*/
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char ssid[IW_ESSID_MAX_SIZE];
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u8 ssid_len;
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/* Clear existing scan results matching this SSID */
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u8 clear_ssid;
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};
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/**
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* @brief Structure used to store information for each beacon/probe response
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*/
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struct bss_descriptor {
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u8 bssid[ETH_ALEN];
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u8 ssid[IW_ESSID_MAX_SIZE + 1];
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u8 ssid_len;
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u16 capability;
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/* receive signal strength in dBm */
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long rssi;
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u32 channel;
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u16 beaconperiod;
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u32 atimwindow;
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/* IW_MODE_AUTO, IW_MODE_ADHOC, IW_MODE_INFRA */
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u8 mode;
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/* zero-terminated array of supported data rates */
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u8 rates[MAX_RATES + 1];
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unsigned long last_scanned;
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union ieeetypes_phyparamset phyparamset;
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union IEEEtypes_ssparamset ssparamset;
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struct ieeetypes_countryinfofullset countryinfo;
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u8 wpa_ie[MAX_WPA_IE_LEN];
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size_t wpa_ie_len;
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u8 rsn_ie[MAX_WPA_IE_LEN];
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size_t rsn_ie_len;
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u8 mesh;
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struct list_head list;
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};
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int lbs_ssid_cmp(u8 *ssid1, u8 ssid1_len, u8 *ssid2, u8 ssid2_len);
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struct bss_descriptor *lbs_find_ssid_in_list(struct lbs_private *priv,
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u8 *ssid, u8 ssid_len, u8 *bssid, u8 mode,
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int channel);
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struct bss_descriptor *lbs_find_bssid_in_list(struct lbs_private *priv,
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u8 *bssid, u8 mode);
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int lbs_find_best_network_ssid(struct lbs_private *priv, u8 *out_ssid,
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u8 *out_ssid_len, u8 preferred_mode, u8 *out_mode);
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int lbs_send_specific_ssid_scan(struct lbs_private *priv, u8 *ssid,
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u8 ssid_len, u8 clear_ssid);
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int lbs_cmd_80211_scan(struct lbs_private *priv,
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struct cmd_ds_command *cmd,
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void *pdata_buf);
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int lbs_ret_80211_scan(struct lbs_private *priv,
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struct cmd_ds_command *resp);
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int lbs_scan_networks(struct lbs_private *priv,
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const struct lbs_ioctl_user_scan_cfg *puserscanin,
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int full_scan);
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struct ifreq;
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struct iw_point;
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struct iw_param;
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struct iw_request_info;
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int lbs_get_scan(struct net_device *dev, struct iw_request_info *info,
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struct iw_point *dwrq, char *extra);
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int lbs_set_scan(struct net_device *dev, struct iw_request_info *info,
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struct iw_param *vwrq, char *extra);
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void lbs_scan_worker(struct work_struct *work);
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#endif
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