341 lines
10 KiB
C
341 lines
10 KiB
C
/******************************************************************************
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*
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* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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*
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******************************************************************************/
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#ifndef __RTW_MLME_H_
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#define __RTW_MLME_H_
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#include <osdep_service.h>
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#include <mlme_osdep.h>
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#include <drv_types.h>
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#include <wlan_bssdef.h>
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#define MAX_BSS_CNT 128
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#define MAX_JOIN_TIMEOUT 6500
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/* Increase the scanning timeout because of increasing the SURVEY_TO value. */
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#define SCANNING_TIMEOUT 8000
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#define SCAN_INTERVAL (30) /* unit:2sec, 30*2 = 60sec */
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#define SCANQUEUE_LIFETIME 20 /* unit:sec */
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#define WIFI_NULL_STATE 0x00000000
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#define WIFI_ASOC_STATE 0x00000001 /* Under Linked state.*/
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#define WIFI_REASOC_STATE 0x00000002
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#define WIFI_SLEEP_STATE 0x00000004
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#define WIFI_STATION_STATE 0x00000008
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#define WIFI_AP_STATE 0x00000010
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#define WIFI_ADHOC_STATE 0x00000020
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#define WIFI_ADHOC_MASTER_STATE 0x00000040
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#define WIFI_UNDER_LINKING 0x00000080
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#define WIFI_UNDER_WPS 0x00000100
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#define WIFI_STA_ALIVE_CHK_STATE 0x00000400
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/* to indicate the station is under site surveying */
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#define WIFI_SITE_MONITOR 0x00000800
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#define WIFI_MP_STATE 0x00010000
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#define WIFI_MP_CTX_BACKGROUND 0x00020000 /* in continous tx background */
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#define WIFI_MP_CTX_ST 0x00040000 /* in continous tx with single-tone */
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#define WIFI_MP_CTX_BACKGROUND_PENDING 0x00080000 /* pending in continous tx background due to out of skb */
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#define WIFI_MP_CTX_CCK_HW 0x00100000 /* in continous tx */
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#define WIFI_MP_CTX_CCK_CS 0x00200000 /* in continous tx with carrier suppression */
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#define WIFI_MP_LPBK_STATE 0x00400000
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#define _FW_UNDER_LINKING WIFI_UNDER_LINKING
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#define _FW_LINKED WIFI_ASOC_STATE
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#define _FW_UNDER_SURVEY WIFI_SITE_MONITOR
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enum dot11AuthAlgrthmNum {
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dot11AuthAlgrthm_Open = 0,
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dot11AuthAlgrthm_Shared,
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dot11AuthAlgrthm_8021X,
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dot11AuthAlgrthm_Auto,
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dot11AuthAlgrthm_MaxNum
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};
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/* Scan type including active and passive scan. */
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enum rt_scan_type {
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SCAN_PASSIVE,
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SCAN_ACTIVE,
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SCAN_MIX,
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};
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enum {
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GHZ24_50 = 0,
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GHZ_50,
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GHZ_24,
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};
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/*
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there are several "locks" in mlme_priv,
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since mlme_priv is a shared resource between many threads,
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like ISR/Call-Back functions, the OID handlers, and even timer functions.
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Each _queue has its own locks, already.
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Other items are protected by mlme_priv.lock.
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To avoid possible dead lock, any thread trying to modifiying mlme_priv
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SHALL not lock up more than one locks at a time!
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*/
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struct rt_link_detect {
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u32 NumTxOkInPeriod;
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u32 NumRxOkInPeriod;
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u32 NumRxUnicastOkInPeriod;
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bool bBusyTraffic;
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bool bTxBusyTraffic;
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bool bRxBusyTraffic;
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bool bHigherBusyTraffic; /* For interrupt migration purpose. */
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bool bHigherBusyRxTraffic; /* We may disable Tx interrupt according as Rx traffic. */
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bool bHigherBusyTxTraffic; /* We may disable Tx interrupt according as Tx traffic. */
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};
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struct mlme_priv {
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spinlock_t lock;
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int fw_state;
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u8 bScanInProcess;
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u8 to_join; /* flag */
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u8 to_roaming; /* roaming trying times */
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struct rtw_adapter *nic_hdl;
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u8 not_indic_disco;
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struct rtw_queue scanned_queue;
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struct cfg80211_ssid assoc_ssid;
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u8 assoc_bssid[6];
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struct wlan_network cur_network;
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/* uint wireless_mode; no used, remove it */
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u32 scan_interval;
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struct timer_list assoc_timer;
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uint assoc_by_bssid;
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uint assoc_by_rssi;
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struct timer_list scan_to_timer;
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struct timer_list set_scan_deny_timer;
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atomic_t set_scan_deny; /* 0: allowed, 1: deny */
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unsigned int qos_option;
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/* Number of non-HT AP/stations */
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int num_sta_no_ht;
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int num_FortyMHzIntolerant;
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struct ht_priv htpriv;
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struct rt_link_detect LinkDetectInfo;
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struct timer_list dynamic_chk_timer; /* dynamic/periodic check timer */
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u8 key_mask; /* use for ips to set wep key after ips_leave23a */
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u8 acm_mask; /* for wmm acm mask */
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u8 ChannelPlan;
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enum rt_scan_type scan_mode; /* active: 1, passive: 0 */
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u8 *wps_probe_req_ie;
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u32 wps_probe_req_ie_len;
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u8 *assoc_req;
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u32 assoc_req_len;
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u32 assoc_rsp_len;
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u8 *assoc_rsp;
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#ifdef CONFIG_8723AU_AP_MODE
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/* Number of associated Non-ERP stations (i.e., stations using 802.11b
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* in 802.11g BSS) */
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int num_sta_non_erp;
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/* Number of associated stations that do not support Short Slot Time */
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int num_sta_no_short_slot_time;
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/* Number of associated stations that do not support Short Preamble */
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int num_sta_no_short_preamble;
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int olbc; /* Overlapping Legacy BSS Condition */
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/* Number of HT associated stations that do not support greenfield */
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int num_sta_ht_no_gf;
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/* Number of associated non-HT stations */
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/* int num_sta_no_ht; */
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/* Number of HT associated stations 20 MHz */
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int num_sta_ht_20mhz;
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/* Overlapping BSS information */
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int olbc_ht;
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u16 ht_op_mode;
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spinlock_t bcn_update_lock;
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u8 update_bcn;
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#endif /* ifdef CONFIG_8723AU_AP_MODE */
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};
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void rtw_joinbss_event_prehandle23a(struct rtw_adapter *adapter, u8 *pbuf);
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void rtw_survey_event_cb23a(struct rtw_adapter *adapter, const u8 *pbuf);
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void rtw_surveydone_event_callback23a(struct rtw_adapter *adapter, const u8 *pbuf);
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void rtw23a_joinbss_event_cb(struct rtw_adapter *adapter, const u8 *pbuf);
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void rtw_stassoc_event_callback23a(struct rtw_adapter *adapter, const u8 *pbuf);
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void rtw_stadel_event_callback23a(struct rtw_adapter *adapter, const u8 *pbuf);
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int event_thread(void *context);
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void rtw23a_join_to_handler(unsigned long);
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void rtw_free_network_queue23a(struct rtw_adapter *adapter);
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int rtw_init_mlme_priv23a(struct rtw_adapter *adapter);
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void rtw_free_mlme_priv23a(struct mlme_priv *pmlmepriv);
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int rtw_do_join_adhoc(struct rtw_adapter *adapter);
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int rtw_do_join_network(struct rtw_adapter *adapter,
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struct wlan_network *candidate);
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int rtw_select_and_join_from_scanned_queue23a(struct mlme_priv *pmlmepriv);
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int rtw_set_key23a(struct rtw_adapter *adapter,
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struct security_priv *psecuritypriv, int keyid, u8 set_tx);
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int rtw_set_auth23a(struct rtw_adapter *adapter,
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struct security_priv *psecuritypriv);
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static inline u8 *get_bssid(struct mlme_priv *pmlmepriv)
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{ /* if sta_mode:pmlmepriv->cur_network.network.MacAddress => bssid */
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/* if adhoc_mode:pmlmepriv->cur_network.network.MacAddress => ibss mac address */
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return pmlmepriv->cur_network.network.MacAddress;
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}
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static inline bool check_fwstate(struct mlme_priv *pmlmepriv, int state)
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{
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if (pmlmepriv->fw_state & state)
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return true;
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return false;
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}
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static inline int get_fwstate(struct mlme_priv *pmlmepriv)
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{
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return pmlmepriv->fw_state;
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}
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/*
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* No Limit on the calling context,
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* therefore set it to be the critical section...
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*
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* ### NOTE:#### (!!!!)
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* MUST TAKE CARE THAT BEFORE CALLING THIS FUNC, YOU SHOULD HAVE LOCKED pmlmepriv->lock
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*/
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static inline void set_fwstate(struct mlme_priv *pmlmepriv, int state)
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{
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pmlmepriv->fw_state |= state;
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/* FOR HW integration */
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if (_FW_UNDER_SURVEY == state)
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pmlmepriv->bScanInProcess = true;
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}
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static inline void _clr_fwstate_(struct mlme_priv *pmlmepriv, int state)
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{
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pmlmepriv->fw_state &= ~state;
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/* FOR HW integration */
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if (_FW_UNDER_SURVEY == state)
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pmlmepriv->bScanInProcess = false;
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}
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/*
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* No Limit on the calling context,
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* therefore set it to be the critical section...
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*/
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static inline void clr_fwstate(struct mlme_priv *pmlmepriv, int state)
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{
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spin_lock_bh(&pmlmepriv->lock);
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if (check_fwstate(pmlmepriv, state))
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pmlmepriv->fw_state ^= state;
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spin_unlock_bh(&pmlmepriv->lock);
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}
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static inline void clr_fwstate_ex(struct mlme_priv *pmlmepriv, int state)
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{
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spin_lock_bh(&pmlmepriv->lock);
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_clr_fwstate_(pmlmepriv, state);
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spin_unlock_bh(&pmlmepriv->lock);
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}
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void rtw_disconnect_hdl23a_under_linked(struct rtw_adapter *adapter,
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struct sta_info *psta, u8 free_assoc);
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void rtw_generate_random_ibss23a(u8 *pibss);
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struct wlan_network *rtw_find_network23a(struct rtw_queue *scanned_queue, u8 *addr);
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struct wlan_network *rtw_get_oldest_wlan_network23a(struct rtw_queue *scanned_queue);
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void rtw_free_assoc_resources23a(struct rtw_adapter *adapter,
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int lock_scanned_queue);
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void rtw_indicate_disconnect23a(struct rtw_adapter *adapter);
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void rtw_indicate_connect23a(struct rtw_adapter *adapter);
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void rtw_scan_abort23a(struct rtw_adapter *adapter);
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int rtw_restruct_sec_ie23a(struct rtw_adapter *adapter, u8 *in_ie, u8 *out_ie,
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uint in_len);
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int rtw_restruct_wmm_ie23a(struct rtw_adapter *adapter, u8 *in_ie, u8 *out_ie,
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uint in_len, uint initial_out_len);
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void rtw_init_registrypriv_dev_network23a(struct rtw_adapter *adapter);
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void rtw_update_registrypriv_dev_network23a(struct rtw_adapter *adapter);
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void rtw_scan_timeout_handler23a(unsigned long data);
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void rtw_dynamic_check_timer_handler(unsigned long data);
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bool rtw_is_scan_deny(struct rtw_adapter *adapter);
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void rtw_clear_scan_deny(struct rtw_adapter *adapter);
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void rtw_set_scan_deny_timer_hdl(unsigned long data);
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void rtw_set_scan_deny(struct rtw_adapter *adapter, u32 ms);
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void rtw23a_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv);
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void _rtw_free_mlme_priv23a(struct mlme_priv *pmlmepriv);
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struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv, gfp_t gfp);
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int rtw_if_up23a(struct rtw_adapter *padapter);
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int rtw_linked_check(struct rtw_adapter *padapter);
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void rtw_joinbss_reset23a(struct rtw_adapter *padapter);
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bool rtw_restructure_ht_ie23a(struct rtw_adapter *padapter, u8 *in_ie,
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u8 *out_ie, uint in_len, uint *pout_len);
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void rtw_update_ht_cap23a(struct rtw_adapter *padapter,
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u8 *pie, uint ie_len);
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void rtw_issue_addbareq_cmd23a(struct rtw_adapter *padapter,
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struct xmit_frame *pxmitframe);
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bool rtw_is_same_ibss23a(struct rtw_adapter *adapter,
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struct wlan_network *pnetwork);
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int is_same_network23a(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst);
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void rtw23a_roaming(struct rtw_adapter *adapter,
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struct wlan_network *tgt_network);
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void rtw_set_roaming(struct rtw_adapter *adapter, u8 to_roaming);
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#endif /* __RTL871X_MLME_H_ */
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