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