/****************************************************************************** * * 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. * * 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 * * ******************************************************************************/ #ifndef __RTW_MLME_H_ #define __RTW_MLME_H_ #include #include #include #include #define MAX_BSS_CNT 128 //#define MAX_JOIN_TIME 2000 //#define MAX_JOIN_TIME 2500 #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 #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 continous tx background #define WIFI_MP_CTX_ST 0x00040000 // in continous tx with single-tone #define WIFI_MP_CTX_BACKGROUND_PENDING 0x00080000 // pending in continous tx background due to out of skb #define WIFI_MP_CTX_CCK_HW 0x00100000 // in continous tx #define WIFI_MP_CTX_CCK_CS 0x00200000 // in continous 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_WAPI, dot11AuthAlgrthm_MaxNum }; // Scan type including active and passive scan. enum rt_scan_type { SCAN_PASSIVE, SCAN_ACTIVE, SCAN_MIX, }; enum SCAN_RESULT_TYPE { SCAN_RESULT_P2P_ONLY = 0, // Will return all the P2P devices. SCAN_RESULT_ALL = 1, // Will return all the scanned device, include AP. SCAN_RESULT_WFD_TYPE = 2 // Will just return the correct WFD device. // If this device is Miracast sink device, it will just return all the Miracast source devices. }; /* 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! */ #define traffic_threshold 10 #define traffic_scan_period 500 struct sitesurvey_ctrl { u64 last_tx_pkts; uint last_rx_pkts; int traffic_busy; struct timer_list sitesurvey_ctrl_timer; }; 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 profile_info { u8 ssidlen; u8 ssid[ WLAN_SSID_MAXLEN ]; u8 peermac[ ETH_ALEN ]; }; struct tx_invite_req_info{ u8 token; u8 benable; u8 go_ssid[ WLAN_SSID_MAXLEN ]; u8 ssidlen; u8 go_bssid[ ETH_ALEN ]; u8 peer_macaddr[ ETH_ALEN ]; u8 operating_ch; // This information will be set by using the p2p_set op_ch=x u8 peer_ch; // The listen channel for peer P2P device }; struct tx_invite_resp_info{ u8 token; // Used to record the dialog token of p2p invitation request frame. }; struct tx_provdisc_req_info{ u16 wps_config_method_request; // Used when sending the provisioning request frame u16 peer_channel_num[2]; // The channel number which the receiver stands. struct ndis_802_11_ssid ssid; u8 peerDevAddr[ ETH_ALEN ]; // Peer device address u8 peerIFAddr[ ETH_ALEN ]; // Peer interface address u8 benable; // This provision discovery request frame is trigger to send or not }; struct rx_provdisc_req_info{ //When peer device issue prov_disc_req first, we should store the following informations u8 peerDevAddr[ ETH_ALEN ]; // Peer device address u8 strconfig_method_desc_of_prov_disc_req[4]; // description for the config method located in the provisioning discovery request frame. // The UI must know this information to know which config method the remote p2p device is requiring. }; struct tx_nego_req_info{ u16 peer_channel_num[2]; // The channel number which the receiver stands. u8 peerDevAddr[ ETH_ALEN ]; // Peer device address u8 benable; // This negoitation request frame is trigger to send or not }; struct group_id_info{ u8 go_device_addr[ ETH_ALEN ]; // The GO's device address of this P2P group u8 ssid[ WLAN_SSID_MAXLEN ]; // The SSID of this P2P group }; struct scan_limit_info{ u8 scan_op_ch_only; // When this flag is set, the driver should just scan the operation channel u8 operation_ch[2]; // Store the operation channel of invitation request frame }; struct wifidirect_info{ struct adapter* padapter; struct timer_list find_phase_timer; struct timer_list restore_p2p_state_timer; // Used to do the scanning. After confirming the peer is availalble, the driver transmits the P2P frame to peer. struct timer_list pre_tx_scan_timer; struct timer_list reset_ch_sitesurvey; struct timer_list reset_ch_sitesurvey2; // Just for resetting the scan limit function by using p2p nego struct tx_provdisc_req_info tx_prov_disc_info; struct rx_provdisc_req_info rx_prov_disc_info; struct tx_invite_req_info invitereq_info; struct profile_info profileinfo[ P2P_MAX_PERSISTENT_GROUP_NUM ]; // Store the profile information of persistent group struct tx_invite_resp_info inviteresp_info; struct tx_nego_req_info nego_req_info; struct group_id_info groupid_info; // Store the group id information when doing the group negotiation handshake. struct scan_limit_info rx_invitereq_info; // Used for get the limit scan channel from the Invitation procedure struct scan_limit_info p2p_info; // Used for get the limit scan channel from the P2P negotiation handshake enum P2P_ROLE role; enum P2P_STATE pre_p2p_state; enum P2P_STATE p2p_state; u8 device_addr[ETH_ALEN]; // The device address should be the mac address of this device. u8 interface_addr[ETH_ALEN]; u8 social_chan[4]; u8 listen_channel; u8 operating_channel; u8 listen_dwell; // This value should be between 1 and 3 u8 support_rate[8]; u8 p2p_wildcard_ssid[P2P_WILDCARD_SSID_LEN]; u8 intent; // should only include the intent value. u8 p2p_peer_interface_addr[ ETH_ALEN ]; u8 p2p_peer_device_addr[ ETH_ALEN ]; u8 peer_intent; // Included the intent value and tie breaker value. u8 device_name[ WPS_MAX_DEVICE_NAME_LEN ]; // Device name for displaying on searching device screen u8 device_name_len; u8 profileindex; // Used to point to the index of profileinfo array u8 peer_operating_ch; u8 find_phase_state_exchange_cnt; u16 device_password_id_for_nego; // The device password ID for group negotation u8 negotiation_dialog_token; u8 nego_ssid[ WLAN_SSID_MAXLEN ]; // SSID information for group negotitation u8 nego_ssidlen; u8 p2p_group_ssid[WLAN_SSID_MAXLEN]; u8 p2p_group_ssid_len; u8 persistent_supported; // Flag to know the persistent function should be supported or not. // In the Sigma test, the Sigma will provide this enable from the sta_set_p2p CAPI. // 0: disable // 1: enable u8 session_available; // Flag to set the WFD session available to enable or disable "by Sigma" // In the Sigma test, the Sigma will disable the session available by using the sta_preset CAPI. // 0: disable // 1: enable u8 wfd_tdls_enable; // Flag to enable or disable the TDLS by WFD Sigma // 0: disable // 1: enable u8 wfd_tdls_weaksec; // Flag to enable or disable the weak security function for TDLS by WFD Sigma // 0: disable // In this case, the driver can't issue the tdsl setup request frame. // 1: enable // In this case, the driver can issue the tdls setup request frame // even the current security is weak security. enum P2P_WPSINFO ui_got_wps_info; // This field will store the WPS value (PIN value or PBC) that UI had got from the user. u16 supported_wps_cm; // This field describes the WPS config method which this driver supported. // The value should be the combination of config method defined in page104 of WPS v2.0 spec. uint channel_list_attr_len; // This field will contain the length of body of P2P Channel List attribute of group negotitation response frame. u8 channel_list_attr[100]; // This field will contain the body of P2P Channel List attribute of group negotitation response frame. // We will use the channel_cnt and channel_list fields when constructing the group negotitation confirm frame. enum P2P_PS_MODE p2p_ps_mode; // indicate p2p ps mode enum P2P_PS_STATE p2p_ps_state; // indicate p2p ps state u8 noa_index; // Identifies and instance of Notice of Absence timing. u8 ctwindow; // Client traffic window. A period of time in TU after TBTT. u8 opp_ps; // opportunistic power save. u8 noa_num; // number of NoA descriptor in P2P IE. u8 noa_count[P2P_MAX_NOA_NUM]; // Count for owner, Type of client. u32 noa_duration[P2P_MAX_NOA_NUM]; // Max duration for owner, preferred or min acceptable duration for client. u32 noa_interval[P2P_MAX_NOA_NUM]; // Length of interval for owner, preferred or max acceptable interval of client. u32 noa_start_time[P2P_MAX_NOA_NUM]; // schedule expressed in terms of the lower 4 bytes of the TSF timer. }; struct tdls_ss_record{ //signal strength record u8 macaddr[ETH_ALEN]; u8 RxPWDBAll; u8 is_tdls_sta; // true: direct link sta, false: else }; struct tdls_info{ u8 ap_prohibited; uint setup_state; u8 sta_cnt; u8 sta_maximum; // 1:tdls sta is equal (NUM_STA-1), reach max direct link number; 0: else; struct tdls_ss_record ss_record; u8 macid_index; //macid entry that is ready to write u8 clear_cam; //cam entry that is trying to clear, using it in direct link teardown u8 ch_sensing; u8 cur_channel; u8 candidate_ch; u8 collect_pkt_num[MAX_CHANNEL_NUM]; spinlock_t cmd_lock; spinlock_t hdl_lock; u8 watchdog_count; u8 dev_discovered; //WFD_TDLS: for sigma test u8 enable; }; struct mlme_priv { spinlock_t lock; int fw_state; //shall we protect this variable? maybe not necessarily... u8 bScanInProcess; u8 to_join; //flag u8 to_roaming; // roaming trying times u8 *nic_hdl; u8 not_indic_disco; struct list_head *pscanned; struct __queue free_bss_pool; struct __queue scanned_queue; u8 *free_bss_buf; u32 num_of_scanned; struct ndis_802_11_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; // driver itself handles scan_timeout status. u32 scan_start_time; // used to evaluate the time spent in scanning struct qos_priv qospriv; #ifdef CONFIG_80211N_HT /* Number of non-HT AP/stations */ int num_sta_no_ht; /* Number of HT AP/stations 20 MHz */ //int num_sta_ht_20mhz; int num_FortyMHzIntolerant; struct ht_priv htpriv; #endif 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_leave u8 acm_mask; // for wmm acm mask u8 ChannelPlan; enum rt_scan_type scan_mode; // active: 1, passive: 0 //u8 probereq_wpsie[MAX_WPS_IE_LEN];//added in probe req //int probereq_wpsie_len; u8 *wps_probe_req_ie; u32 wps_probe_req_ie_len; #if defined (CONFIG_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; #ifdef CONFIG_80211N_HT u16 ht_op_mode; #endif /* CONFIG_80211N_HT */ u8 *assoc_req; u32 assoc_req_len; u8 *assoc_rsp; u32 assoc_rsp_len; u8 *wps_beacon_ie; //u8 *wps_probe_req_ie; u8 *wps_probe_resp_ie; u8 *wps_assoc_resp_ie; u32 wps_beacon_ie_len; u32 wps_probe_resp_ie_len; u32 wps_assoc_resp_ie_len; u8 *p2p_beacon_ie; u8 *p2p_probe_req_ie; u8 *p2p_probe_resp_ie; u8 *p2p_go_probe_resp_ie; //for GO u8 *p2p_assoc_req_ie; u32 p2p_beacon_ie_len; u32 p2p_probe_req_ie_len; u32 p2p_probe_resp_ie_len; u32 p2p_go_probe_resp_ie_len; //for GO u32 p2p_assoc_req_ie_len; spinlock_t bcn_update_lock; u8 update_bcn; #endif //#if defined (CONFIG_AP_MODE) }; #ifdef CONFIG_AP_MODE struct hostapd_priv { struct adapter *padapter; }; extern int hostapd_mode_init(struct adapter *padapter); extern void hostapd_mode_unload(struct adapter *padapter); #endif extern unsigned char WPA_TKIP_CIPHER[4]; extern unsigned char RSN_TKIP_CIPHER[4]; extern unsigned char REALTEK_96B_IE[]; extern unsigned char MCS_rate_2R[16]; extern unsigned char MCS_rate_1R[16]; extern void rtw_joinbss_event_prehandle(struct adapter *adapter, u8 *pbuf); extern void rtw_survey_event_callback(struct adapter *adapter, u8 *pbuf); extern void rtw_surveydone_event_callback(struct adapter *adapter, u8 *pbuf); extern void rtw_joinbss_event_callback(struct adapter *adapter, u8 *pbuf); extern void rtw_stassoc_event_callback(struct adapter *adapter, u8 *pbuf); extern void rtw_stadel_event_callback(struct adapter *adapter, u8 *pbuf); extern void rtw_atimdone_event_callback(struct adapter *adapter, u8 *pbuf); extern void rtw_cpwm_event_callback(struct adapter *adapter, u8 *pbuf); void indicate_wx_scan_complete_event(struct adapter *padapter); void rtw_indicate_wx_assoc_event(struct adapter *padapter); void rtw_indicate_wx_disassoc_event(struct adapter *padapter); extern int event_thread(void *context); extern void rtw_join_timeout_handler(void* FunctionContext); extern void _rtw_scan_timeout_handler(void* FunctionContext); extern void rtw_free_network_queue(struct adapter *adapter,u8 isfreeall); extern int rtw_init_mlme_priv(struct adapter *adapter);// (struct mlme_priv *pmlmepriv); extern void rtw_free_mlme_priv (struct mlme_priv *pmlmepriv); extern int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv); extern int rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, int keyid, u8 set_tx); extern int rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv); __inline static 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; } __inline static int check_fwstate(struct mlme_priv *pmlmepriv, int state) { if (pmlmepriv->fw_state & state) return true; return false; } __inline static 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 */ __inline static void set_fwstate(struct mlme_priv *pmlmepriv, int state) { pmlmepriv->fw_state |= state; //FOR HW integration if (_FW_UNDER_SURVEY==state){ pmlmepriv->bScanInProcess = true; } } __inline static 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... */ __inline static void clr_fwstate(struct mlme_priv *pmlmepriv, int state) { unsigned long irqL; _enter_critical_bh(&pmlmepriv->lock, &irqL); if (check_fwstate(pmlmepriv, state) == true) pmlmepriv->fw_state ^= state; _exit_critical_bh(&pmlmepriv->lock, &irqL); } __inline static void clr_fwstate_ex(struct mlme_priv *pmlmepriv, int state) { unsigned long irqL; _enter_critical_bh(&pmlmepriv->lock, &irqL); _clr_fwstate_(pmlmepriv, state); _exit_critical_bh(&pmlmepriv->lock, &irqL); } __inline static void up_scanned_network(struct mlme_priv *pmlmepriv) { unsigned long irqL; _enter_critical_bh(&pmlmepriv->lock, &irqL); pmlmepriv->num_of_scanned++; _exit_critical_bh(&pmlmepriv->lock, &irqL); } __inline static void down_scanned_network(struct mlme_priv *pmlmepriv) { unsigned long irqL; _enter_critical_bh(&pmlmepriv->lock, &irqL); pmlmepriv->num_of_scanned--; _exit_critical_bh(&pmlmepriv->lock, &irqL); } __inline static void set_scanned_network_val(struct mlme_priv *pmlmepriv, int val) { unsigned long irqL; _enter_critical_bh(&pmlmepriv->lock, &irqL); pmlmepriv->num_of_scanned = val; _exit_critical_bh(&pmlmepriv->lock, &irqL); } extern u16 rtw_get_capability(struct wlan_bssid_ex *bss); extern void rtw_update_scanned_network(struct adapter *adapter, struct wlan_bssid_ex *target); extern void rtw_disconnect_hdl_under_linked(struct adapter* adapter, struct sta_info *psta, u8 free_assoc); extern void rtw_generate_random_ibss(u8 *pibss); extern struct wlan_network* rtw_find_network(struct __queue *scanned_queue, u8 *addr); extern struct wlan_network* rtw_get_oldest_wlan_network(struct __queue *scanned_queue); extern void rtw_free_assoc_resources(struct adapter* adapter, int lock_scanned_queue); extern void rtw_indicate_disconnect(struct adapter* adapter); extern void rtw_indicate_connect(struct adapter* adapter); void rtw_indicate_scan_done( struct adapter *padapter, bool aborted); void rtw_scan_abort(struct adapter *adapter); extern int rtw_restruct_sec_ie(struct adapter *adapter,u8 *in_ie,u8 *out_ie,uint in_len); extern int rtw_restruct_wmm_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len, uint initial_out_len); extern void rtw_init_registrypriv_dev_network(struct adapter *adapter); extern void rtw_update_registrypriv_dev_network(struct adapter *adapter); extern void rtw_get_encrypt_decrypt_from_registrypriv(struct adapter *adapter); extern void _rtw_join_timeout_handler(struct adapter *adapter); extern void rtw_scan_timeout_handler(struct adapter *adapter); extern void rtw_dynamic_check_timer_handlder(struct adapter *adapter); #define rtw_is_scan_deny(adapter) false #define rtw_clear_scan_deny(adapter) do {} while (0) #define rtw_set_scan_deny_timer_hdl(adapter) do {} while (0) #define rtw_set_scan_deny(adapter, ms) do {} while (0) extern int _rtw_init_mlme_priv(struct adapter *padapter); void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv); extern void _rtw_free_mlme_priv(struct mlme_priv *pmlmepriv); extern int _rtw_enqueue_network(struct __queue *queue, struct wlan_network *pnetwork); extern struct wlan_network* _rtw_dequeue_network(struct __queue *queue); extern struct wlan_network* _rtw_alloc_network(struct mlme_priv *pmlmepriv); extern void _rtw_free_network(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork, u8 isfreeall); extern void _rtw_free_network_nolock(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork); extern struct wlan_network* _rtw_find_network(struct __queue *scanned_queue, u8 *addr); extern void _rtw_free_network_queue(struct adapter* padapter, u8 isfreeall); extern int rtw_if_up(struct adapter *padapter); u8 *rtw_get_capability_from_ie(u8 *ie); u8 *rtw_get_timestampe_from_ie(u8 *ie); u8 *rtw_get_beacon_interval_from_ie(u8 *ie); void rtw_joinbss_reset(struct adapter *padapter); #ifdef CONFIG_80211N_HT unsigned int rtw_restructure_ht_ie(struct adapter *padapter, u8 *in_ie, u8 *out_ie, uint in_len, uint *pout_len); void rtw_update_ht_cap(struct adapter *padapter, u8 *pie, uint ie_len); void rtw_issue_addbareq_cmd(struct adapter *padapter, struct xmit_frame *pxmitframe); #endif int rtw_is_same_ibss(struct adapter *adapter, struct wlan_network *pnetwork); int is_same_network(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst); void rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network); void _rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network); void rtw_stassoc_hw_rpt(struct adapter *adapter,struct sta_info *psta); #endif //__RTL871X_MLME_H_