/* SPDX-License-Identifier: GPL-2.0 */
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/******************************************************************************
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*
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* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
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*
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* Modifications for inclusion into the Linux staging tree are
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* Copyright(c) 2010 Larry Finger. All rights reserved.
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*
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* Contact information:
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* WLAN FAE <wlanfae@realtek.com>
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* Larry Finger <Larry.Finger@lwfinger.net>
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*
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******************************************************************************/
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#ifndef __RTL871X_MLME_H_
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#define __RTL871X_MLME_H_
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#include "osdep_service.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 64
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#define MAX_JOIN_TIMEOUT 6000
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#define SCANNING_TIMEOUT 4500
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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_SITE_MONITOR 0x00000800 /* to indicate the station
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* is under site surveying
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*/
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#define WIFI_MP_STATE 0x00010000
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#define WIFI_MP_CTX_BACKGROUND 0x00020000 /* in cont. tx background*/
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#define WIFI_MP_CTX_ST 0x00040000 /* in cont. tx with
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* single-tone
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*/
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#define WIFI_MP_CTX_BACKGROUND_PENDING 0x00080000 /* pending in cont, tx
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* background due
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* to out of skb
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*/
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#define WIFI_MP_CTX_CCK_HW 0x00100000 /* in continuous tx*/
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#define WIFI_MP_CTX_CCK_CS 0x00200000 /* in cont, tx with carrier
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* suppression
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*/
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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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/*
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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 modify mlme_priv
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* SHALL not lock up more than one lock at a time!
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*/
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#define traffic_threshold 10
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#define traffic_scan_period 500
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struct sitesurvey_ctrl {
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u64 last_tx_pkts;
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uint last_rx_pkts;
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sint traffic_busy;
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struct timer_list sitesurvey_ctrl_timer;
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};
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struct mlme_priv {
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spinlock_t lock;
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spinlock_t lock2;
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sint fw_state; /*shall we protect this variable? */
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u8 to_join; /*flag*/
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u8 *nic_hdl;
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struct list_head *pscanned;
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struct __queue free_bss_pool;
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struct __queue scanned_queue;
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u8 *free_bss_buf;
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unsigned long num_of_scanned;
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u8 passive_mode; /*add for Android's SCAN-ACTIVE/SCAN-PASSIVE */
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struct ndis_802_11_ssid assoc_ssid;
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u8 assoc_bssid[6];
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struct wlan_network cur_network;
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struct sitesurvey_ctrl sitesurveyctrl;
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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; /* driver handles scan_timeout.*/
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struct timer_list dhcp_timer; /* set dhcp to if driver in ps mode.*/
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struct qos_priv qospriv;
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struct ht_priv htpriv;
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struct timer_list wdg_timer; /*watchdog periodic timer*/
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};
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static inline u8 *get_bssid(struct mlme_priv *pmlmepriv)
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{
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return pmlmepriv->cur_network.network.MacAddress;
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}
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static inline u8 check_fwstate(struct mlme_priv *pmlmepriv, sint 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 sint 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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* TAKE CARE BEFORE CALLING THIS FUNC, LOCK pmlmepriv->lock
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*/
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static inline void set_fwstate(struct mlme_priv *pmlmepriv, sint state)
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{
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pmlmepriv->fw_state |= state;
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}
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static inline void _clr_fwstate_(struct mlme_priv *pmlmepriv, sint state)
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{
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pmlmepriv->fw_state &= ~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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static inline void clr_fwstate(struct mlme_priv *pmlmepriv, sint state)
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{
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unsigned long irqL;
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spin_lock_irqsave(&pmlmepriv->lock, irqL);
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if (check_fwstate(pmlmepriv, state))
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pmlmepriv->fw_state ^= state;
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spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
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}
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static inline void set_scanned_network_val(struct mlme_priv *pmlmepriv,
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sint val)
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{
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unsigned long irqL;
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spin_lock_irqsave(&pmlmepriv->lock, irqL);
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pmlmepriv->num_of_scanned = val;
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spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
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}
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void r8712_survey_event_callback(struct _adapter *adapter, u8 *pbuf);
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void r8712_surveydone_event_callback(struct _adapter *adapter, u8 *pbuf);
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void r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf);
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void r8712_stassoc_event_callback(struct _adapter *adapter, u8 *pbuf);
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void r8712_stadel_event_callback(struct _adapter *adapter, u8 *pbuf);
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void r8712_atimdone_event_callback(struct _adapter *adapter, u8 *pbuf);
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void r8712_cpwm_event_callback(struct _adapter *adapter, u8 *pbuf);
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void r8712_wpspbc_event_callback(struct _adapter *adapter, u8 *pbuf);
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void r8712_free_network_queue(struct _adapter *adapter);
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int r8712_init_mlme_priv(struct _adapter *adapter);
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void r8712_free_mlme_priv(struct mlme_priv *pmlmepriv);
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int r8712_select_and_join_from_scan(struct mlme_priv *pmlmepriv);
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int r8712_set_key(struct _adapter *adapter,
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struct security_priv *psecuritypriv, sint keyid);
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int r8712_set_auth(struct _adapter *adapter,
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struct security_priv *psecuritypriv);
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uint r8712_get_wlan_bssid_ex_sz(struct wlan_bssid_ex *bss);
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void r8712_generate_random_ibss(u8 *pibss);
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u8 *r8712_get_capability_from_ie(u8 *ie);
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struct wlan_network *r8712_get_oldest_wlan_network(
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struct __queue *scanned_queue);
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void r8712_free_assoc_resources(struct _adapter *adapter);
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void r8712_ind_disconnect(struct _adapter *adapter);
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void r8712_indicate_connect(struct _adapter *adapter);
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int r8712_restruct_sec_ie(struct _adapter *adapter, u8 *in_ie,
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u8 *out_ie, uint in_len);
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int r8712_restruct_wmm_ie(struct _adapter *adapter, u8 *in_ie,
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u8 *out_ie, uint in_len, uint initial_out_len);
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void r8712_init_registrypriv_dev_network(struct _adapter *adapter);
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void r8712_update_registrypriv_dev_network(struct _adapter *adapter);
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void _r8712_sitesurvey_ctrl_handler(struct _adapter *adapter);
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void _r8712_join_timeout_handler(struct _adapter *adapter);
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void r8712_scan_timeout_handler(struct _adapter *adapter);
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void _r8712_dhcp_timeout_handler(struct _adapter *adapter);
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struct wlan_network *_r8712_alloc_network(struct mlme_priv *pmlmepriv);
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sint r8712_if_up(struct _adapter *padapter);
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void r8712_joinbss_reset(struct _adapter *padapter);
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unsigned int r8712_restructure_ht_ie(struct _adapter *padapter, u8 *in_ie,
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u8 *out_ie, uint in_len, uint *pout_len);
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void r8712_issue_addbareq_cmd(struct _adapter *padapter, int priority);
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int r8712_is_same_ibss(struct _adapter *adapter, struct wlan_network *pnetwork);
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#endif /*__RTL871X_MLME_H_*/
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