/****************************************************************************** * * 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_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 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_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 lock at a time! */ #define traffic_threshold 10 #define traffic_scan_period 500 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 * to Rx traffic. */ bool bHigherBusyTxTraffic; /* We may disable Tx interrupt according * to 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 */ }; /* When peer device issue prov_disc_req first, we should store the following * information */ /* The UI must know this information to know which config method the * remote p2p device needs. */ struct rx_provdisc_req_info { 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. */ }; struct tx_nego_req_info { u16 peer_channel_num[2]; /* The channel number. */ u8 peerDevAddr[ETH_ALEN]; /* Peer device address */ u8 benable; /* This negotiation 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 only scan the op. channel */ u8 operation_ch[2]; /* Store the op. chan of invitation */ }; 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; /* Store the profile information of persistent group */ struct profile_info profileinfo[P2P_MAX_PERSISTENT_GROUP_NUM]; struct tx_invite_resp_info inviteresp_info; struct tx_nego_req_info nego_req_info; /* Store the group id info when doing the group negot handshake. */ struct group_id_info groupid_info; /* Used for get the limit scan channel from the Invitation procedure */ struct scan_limit_info rx_invitereq_info; /* Used for get the limit scan chan from the P2P negotiation handshake*/ struct scan_limit_info p2p_info; enum P2P_ROLE role; enum P2P_STATE pre_p2p_state; enum P2P_STATE p2p_state; /* The device address should be the mac address of this device. */ u8 device_addr[ETH_ALEN]; 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. */ /* Device name for displaying on searching device screen */ u8 device_name[WPS_MAX_DEVICE_NAME_LEN]; 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; /* The device password ID for group negotiation */ u16 device_password_id_for_nego; u8 negotiation_dialog_token; /* SSID information for group negotitation */ u8 nego_ssid[WLAN_SSID_MAXLEN]; u8 nego_ssidlen; u8 p2p_group_ssid[WLAN_SSID_MAXLEN]; u8 p2p_group_ssid_len; /* Flag to know if the persistent function should be supported or not.*/ u8 persistent_supported; /* 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. */ /* This field will store the WPS value (PIN value or PBC) that UI had * got from the user. */ enum P2P_WPSINFO ui_got_wps_info; 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.*/ /* This field will contain the length of body of P2P Channel List * attribute of group negotiation response frame. */ uint channel_list_attr_len; /* 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 negotiation confirm frame. */ u8 channel_list_attr[100]; 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. */ /* Max duration for owner, preferred or min acceptable duration for * client. */ u32 noa_duration[P2P_MAX_NOA_NUM]; /* Length of interval for owner, preferred or max acceptable interval * of client. */ u32 noa_interval[P2P_MAX_NOA_NUM]; /* schedule expressed in terms of the lower 4 bytes of the TSF timer. */ u32 noa_start_time[P2P_MAX_NOA_NUM]; }; 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; 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; /* 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; 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; u8 *assoc_req; u32 assoc_req_len; u8 *assoc_rsp; u32 assoc_rsp_len; #if defined(CONFIG_88EU_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 assoc sta 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; 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_88EU_AP_MODE) */ }; #ifdef CONFIG_88EU_AP_MODE struct hostapd_priv { struct adapter *padapter; }; int hostapd_mode_init(struct adapter *padapter); 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]; void rtw_joinbss_event_prehandle(struct adapter *adapter, u8 *pbuf); void rtw_survey_event_callback(struct adapter *adapter, u8 *pbuf); void rtw_surveydone_event_callback(struct adapter *adapter, u8 *pbuf); void rtw_joinbss_event_callback(struct adapter *adapter, u8 *pbuf); void rtw_stassoc_event_callback(struct adapter *adapter, u8 *pbuf); void rtw_stadel_event_callback(struct adapter *adapter, u8 *pbuf); void rtw_atimdone_event_callback(struct adapter *adapter, u8 *pbuf); 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); int event_thread(void *context); void rtw_free_network_queue(struct adapter *adapter, u8 isfreeall); int rtw_init_mlme_priv(struct adapter *adapter); void rtw_free_mlme_priv(struct mlme_priv *pmlmepriv); int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv); int rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, int keyid, u8 set_tx); int rtw_set_auth(struct 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 int 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) == true) 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); } static inline void up_scanned_network(struct mlme_priv *pmlmepriv) { spin_lock_bh(&pmlmepriv->lock); pmlmepriv->num_of_scanned++; spin_unlock_bh(&pmlmepriv->lock); } static inline void down_scanned_network(struct mlme_priv *pmlmepriv) { spin_lock_bh(&pmlmepriv->lock); pmlmepriv->num_of_scanned--; spin_unlock_bh(&pmlmepriv->lock); } static inline void set_scanned_network_val(struct mlme_priv *pmlmepriv, int val) { spin_lock_bh(&pmlmepriv->lock); pmlmepriv->num_of_scanned = val; spin_unlock_bh(&pmlmepriv->lock); } u16 rtw_get_capability(struct wlan_bssid_ex *bss); void rtw_update_scanned_network(struct adapter *adapter, struct wlan_bssid_ex *target); void rtw_disconnect_hdl_under_linked(struct adapter *adapter, struct sta_info *psta, u8 free_assoc); void rtw_generate_random_ibss(u8 *pibss); struct wlan_network *rtw_find_network(struct __queue *scanned_queue, u8 *addr); struct wlan_network *rtw_get_oldest_wlan_network(struct __queue *scanned_queue); void rtw_free_assoc_resources(struct adapter *adapter, int lock_scanned_queue); void rtw_indicate_disconnect(struct adapter *adapter); void rtw_indicate_connect(struct adapter *adapter); void rtw_indicate_scan_done(struct adapter *padapter, bool aborted); void rtw_scan_abort(struct adapter *adapter); int rtw_restruct_sec_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len); int rtw_restruct_wmm_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len, uint initial_out_len); void rtw_init_registrypriv_dev_network(struct adapter *adapter); void rtw_update_registrypriv_dev_network(struct adapter *adapter); void rtw_get_encrypt_decrypt_from_registrypriv(struct adapter *adapter); void _rtw_join_timeout_handler(unsigned long data); void rtw_scan_timeout_handler(unsigned long data); void rtw_dynamic_check_timer_handlder(unsigned long data); #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) void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv); struct wlan_network *_rtw_alloc_network(struct mlme_priv *pmlmepriv); void _rtw_free_network_nolock(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork); int rtw_if_up(struct adapter *padapter); u8 *rtw_get_capability_from_ie(u8 *ie); u8 *rtw_get_beacon_interval_from_ie(u8 *ie); void rtw_joinbss_reset(struct adapter *padapter); 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); 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_ */