/****************************************************************************** * * Copyright(c) 2007 - 2010 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. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA * * Modifications for inclusion into the Linux staging tree are * Copyright(c) 2010 Larry Finger. All rights reserved. * * Contact information: * WLAN FAE * Larry Finger * ******************************************************************************/ #ifndef __RTL871X_MLME_H_ #define __RTL871X_MLME_H_ #include "osdep_service.h" #include "drv_types.h" #include "wlan_bssdef.h" #define MAX_BSS_CNT 64 #define MAX_JOIN_TIMEOUT 6000 #define SCANNING_TIMEOUT 4500 #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_SITE_MONITOR 0x00000800 /* to indicate the station * is under site surveying*/ #define WIFI_MP_STATE 0x00010000 #define WIFI_MP_CTX_BACKGROUND 0x00020000 /* in cont. tx background*/ #define WIFI_MP_CTX_ST 0x00040000 /* in cont. tx with * single-tone*/ #define WIFI_MP_CTX_BACKGROUND_PENDING 0x00080000 /* pending in cont, 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 cont, 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 /* 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 modify mlme_priv SHALL not lock up more than one lock at a time! */ #define traffic_threshold 10 #define traffic_scan_period 500 struct sitesurvey_ctrl { u64 last_tx_pkts; uint last_rx_pkts; sint traffic_busy; struct timer_list sitesurvey_ctrl_timer; }; struct mlme_priv { spinlock_t lock; spinlock_t lock2; sint fw_state; /*shall we protect this variable? */ u8 to_join; /*flag*/ u8 *nic_hdl; struct list_head *pscanned; struct __queue free_bss_pool; struct __queue scanned_queue; u8 *free_bss_buf; unsigned long num_of_scanned; u8 passive_mode; /*add for Android's SCAN-ACTIVE/SCAN-PASSIVE */ struct ndis_802_11_ssid assoc_ssid; u8 assoc_bssid[6]; struct wlan_network cur_network; struct sitesurvey_ctrl sitesurveyctrl; struct timer_list assoc_timer; uint assoc_by_bssid; uint assoc_by_rssi; struct timer_list scan_to_timer; /* driver handles scan_timeout.*/ struct timer_list dhcp_timer; /* set dhcp to if driver in ps mode.*/ struct qos_priv qospriv; struct ht_priv htpriv; struct timer_list wdg_timer; /*watchdog periodic timer*/ }; static inline u8 *get_bssid(struct mlme_priv *pmlmepriv) { return pmlmepriv->cur_network.network.MacAddress; } static inline u8 check_fwstate(struct mlme_priv *pmlmepriv, sint state) { if (pmlmepriv->fw_state & state) return true; return false; } static inline sint 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:#### (!!!!) * TAKE CARE BEFORE CALLING THIS FUNC, LOCK pmlmepriv->lock */ static inline void set_fwstate(struct mlme_priv *pmlmepriv, sint state) { pmlmepriv->fw_state |= state; } static inline void _clr_fwstate_(struct mlme_priv *pmlmepriv, sint state) { pmlmepriv->fw_state &= ~state; } /* * No Limit on the calling context, * therefore set it to be the critical section... */ static inline void clr_fwstate(struct mlme_priv *pmlmepriv, sint state) { unsigned long irqL; spin_lock_irqsave(&pmlmepriv->lock, irqL); if (check_fwstate(pmlmepriv, state) == true) pmlmepriv->fw_state ^= state; spin_unlock_irqrestore(&pmlmepriv->lock, irqL); } static inline void up_scanned_network(struct mlme_priv *pmlmepriv) { unsigned long irqL; spin_lock_irqsave(&pmlmepriv->lock, irqL); pmlmepriv->num_of_scanned++; spin_unlock_irqrestore(&pmlmepriv->lock, irqL); } static inline void down_scanned_network(struct mlme_priv *pmlmepriv) { unsigned long irqL; spin_lock_irqsave(&pmlmepriv->lock, irqL); pmlmepriv->num_of_scanned--; spin_unlock_irqrestore(&pmlmepriv->lock, irqL); } static inline void set_scanned_network_val(struct mlme_priv *pmlmepriv, sint val) { unsigned long irqL; spin_lock_irqsave(&pmlmepriv->lock, irqL); pmlmepriv->num_of_scanned = val; spin_unlock_irqrestore(&pmlmepriv->lock, irqL); } void r8712_survey_event_callback(struct _adapter *adapter, u8 *pbuf); void r8712_surveydone_event_callback(struct _adapter *adapter, u8 *pbuf); void r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf); void r8712_stassoc_event_callback(struct _adapter *adapter, u8 *pbuf); void r8712_stadel_event_callback(struct _adapter *adapter, u8 *pbuf); void r8712_atimdone_event_callback(struct _adapter *adapter, u8 *pbuf); void r8712_cpwm_event_callback(struct _adapter *adapter, u8 *pbuf); void r8712_wpspbc_event_callback(struct _adapter *adapter, u8 *pbuf); void r8712_free_network_queue(struct _adapter *adapter); int r8712_init_mlme_priv(struct _adapter *adapter); void r8712_free_mlme_priv(struct mlme_priv *pmlmepriv); sint r8712_select_and_join_from_scan(struct mlme_priv *pmlmepriv); sint r8712_set_key(struct _adapter *adapter, struct security_priv *psecuritypriv, sint keyid); sint r8712_set_auth(struct _adapter *adapter, struct security_priv *psecuritypriv); uint r8712_get_ndis_wlan_bssid_ex_sz(struct ndis_wlan_bssid_ex *bss); void r8712_generate_random_ibss(u8 *pibss); u8 *r8712_get_capability_from_ie(u8 *ie); struct wlan_network *r8712_get_oldest_wlan_network( struct __queue *scanned_queue); void r8712_free_assoc_resources(struct _adapter *adapter); void r8712_ind_disconnect(struct _adapter *adapter); void r8712_indicate_connect(struct _adapter *adapter); int r8712_restruct_sec_ie(struct _adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len); int r8712_restruct_wmm_ie(struct _adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len, uint initial_out_len); void r8712_init_registrypriv_dev_network(struct _adapter *adapter); void r8712_update_registrypriv_dev_network(struct _adapter *adapter); void _r8712_sitesurvey_ctrl_handler(struct _adapter *adapter); void _r8712_join_timeout_handler(struct _adapter *adapter); void r8712_scan_timeout_handler(struct _adapter *adapter); void _r8712_dhcp_timeout_handler(struct _adapter *adapter); void _r8712_wdg_timeout_handler(struct _adapter *adapter); struct wlan_network *_r8712_alloc_network(struct mlme_priv *pmlmepriv); sint r8712_if_up(struct _adapter *padapter); void r8712_joinbss_reset(struct _adapter *padapter); unsigned int r8712_restructure_ht_ie(struct _adapter *padapter, u8 *in_ie, u8 *out_ie, uint in_len, uint *pout_len); void r8712_issue_addbareq_cmd(struct _adapter *padapter, int priority); int r8712_is_same_ibss(struct _adapter *adapter, struct wlan_network *pnetwork); #endif /*__RTL871X_MLME_H_*/