LXR linux/drivers/staging/rtl8188eu/include/rtw

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/******************************************************************************
   3 *
   4 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
   5 *
   6 ******************************************************************************/
   7#ifndef __RTW_MLME_H_
   8#define __RTW_MLME_H_
   9
  10#include <osdep_service.h>
  11#include <mlme_osdep.h>
  12#include <drv_types.h>
  13#include <wlan_bssdef.h>
  14
  15#define MAX_BSS_CNT     128
  16#define   MAX_JOIN_TIMEOUT      6500
  17
  18/* Increase the scanning timeout because of increasing the SURVEY_TO value. */
  19
  20#define         SCANNING_TIMEOUT        8000
  21
  22#define SCAN_INTERVAL   (30) /*  unit:2sec, 30*2=60sec */
  23
  24#define SCANQUEUE_LIFETIME 20 /*  unit:sec */
  25
  26#define WIFI_NULL_STATE                 0x00000000
  27
  28#define WIFI_ASOC_STATE                 0x00000001      /* Under Linked state */
  29#define WIFI_REASOC_STATE               0x00000002
  30#define WIFI_SLEEP_STATE                0x00000004
  31#define WIFI_STATION_STATE              0x00000008
  32
  33#define WIFI_AP_STATE                   0x00000010
  34#define WIFI_ADHOC_STATE                0x00000020
  35#define WIFI_ADHOC_MASTER_STATE         0x00000040
  36#define WIFI_UNDER_LINKING              0x00000080
  37
  38#define WIFI_UNDER_WPS                  0x00000100
  39#define WIFI_STA_ALIVE_CHK_STATE        0x00000400
  40#define WIFI_SITE_MONITOR               0x00000800      /* to indicate the station is under site surveying */
  41
  42#define _FW_UNDER_LINKING       WIFI_UNDER_LINKING
  43#define _FW_LINKED                      WIFI_ASOC_STATE
  44#define _FW_UNDER_SURVEY        WIFI_SITE_MONITOR
  45
  46enum dot11AuthAlgrthmNum {
  47        dot11AuthAlgrthm_Open = 0, /* open system */
  48        dot11AuthAlgrthm_Shared,
  49        dot11AuthAlgrthm_8021X,
  50        dot11AuthAlgrthm_Auto,
  51        dot11AuthAlgrthm_WAPI,
  52        dot11AuthAlgrthm_MaxNum
  53};
  54
  55/*  Scan type including active and passive scan. */
  56enum rt_scan_type {
  57        SCAN_PASSIVE,
  58        SCAN_ACTIVE,
  59        SCAN_MIX,
  60};
  61
  62enum SCAN_RESULT_TYPE {
  63        SCAN_RESULT_P2P_ONLY = 0,       /* Will return all the P2P devices. */
  64        SCAN_RESULT_ALL = 1,            /* Will return all the scanned device,
  65                                         * include AP.
  66                                         */
  67        SCAN_RESULT_WFD_TYPE = 2        /* Will just return the correct WFD
  68                                         * device.
  69                                         */
  70                                        /* If this device is Miracast sink
  71                                         * device, it will just return all the
  72                                         * Miracast source devices.
  73                                         */
  74};
  75
  76/*
  77 * there are several "locks" in mlme_priv,
  78 * since mlme_priv is a shared resource between many threads,
  79 * like ISR/Call-Back functions, the OID handlers, and even timer functions.
  80 *
  81 * Each _queue has its own locks, already.
  82 * Other items are protected by mlme_priv.lock.
  83 *
  84 * To avoid possible dead lock, any thread trying to modifiying mlme_priv
  85 * SHALL not lock up more than one lock at a time!
  86 */
  87
  88#define traffic_threshold       10
  89#define traffic_scan_period     500
  90
  91struct rt_link_detect {
  92        u32     NumTxOkInPeriod;
  93        u32     NumRxOkInPeriod;
  94        u32     NumRxUnicastOkInPeriod;
  95        bool    bBusyTraffic;
  96        bool    bTxBusyTraffic;
  97        bool    bRxBusyTraffic;
  98        bool    bHigherBusyTraffic; /*  For interrupt migration purpose. */
  99        bool    bHigherBusyRxTraffic; /* We may disable Tx interrupt according
 100                                       * to Rx traffic.
 101                                       */
 102        bool    bHigherBusyTxTraffic; /* We may disable Tx interrupt according
 103                                       * to Tx traffic.
 104                                       */
 105};
 106
 107struct mlme_priv {
 108        spinlock_t lock;
 109        int fw_state;   /* shall we protect this variable? maybe not necessarily... */
 110        u8 bScanInProcess;
 111        u8 to_join; /* flag */
 112        u8 to_roaming; /*  roaming trying times */
 113
 114        struct list_head *pscanned;
 115        struct __queue free_bss_pool;
 116        struct __queue scanned_queue;
 117        u8 *free_bss_buf;
 118
 119        struct ndis_802_11_ssid assoc_ssid;
 120        u8      assoc_bssid[6];
 121
 122        struct wlan_network     cur_network;
 123
 124        u32     scan_interval;
 125
 126        struct timer_list assoc_timer;
 127
 128        uint assoc_by_bssid;
 129
 130        struct timer_list scan_to_timer; /*  driver itself handles scan_timeout status. */
 131
 132        struct qos_priv qospriv;
 133
 134        /* Number of non-HT AP/stations */
 135        int num_sta_no_ht;
 136
 137        /* Number of HT AP/stations 20 MHz */
 138        /* int num_sta_ht_20mhz; */
 139
 140        int num_FortyMHzIntolerant;
 141        struct ht_priv  htpriv;
 142        struct rt_link_detect LinkDetectInfo;
 143        struct timer_list dynamic_chk_timer; /* dynamic/periodic check timer */
 144
 145        u8      key_mask; /* use for ips to set wep key after ips_leave */
 146        u8      acm_mask; /*  for wmm acm mask */
 147        u8      ChannelPlan;
 148        enum rt_scan_type scan_mode; /*  active: 1, passive: 0 */
 149
 150        /* u8 probereq_wpsie[MAX_WPS_IE_LEN];added in probe req */
 151        /* int probereq_wpsie_len; */
 152        u8 *wps_probe_req_ie;
 153        u32 wps_probe_req_ie_len;
 154
 155        u8 *assoc_req;
 156        u32 assoc_req_len;
 157        u8 *assoc_rsp;
 158        u32 assoc_rsp_len;
 159
 160#if defined(CONFIG_88EU_AP_MODE)
 161        /* Number of associated Non-ERP stations (i.e., stations using 802.11b
 162         * in 802.11g BSS)
 163         */
 164        int num_sta_non_erp;
 165
 166        /* Number of associated stations that do not support Short Slot Time */
 167        int num_sta_no_short_slot_time;
 168
 169        /* Number of associated stations that do not support Short Preamble */
 170        int num_sta_no_short_preamble;
 171
 172        int olbc; /* Overlapping Legacy BSS Condition */
 173
 174        /* Number of HT assoc sta that do not support greenfield */
 175        int num_sta_ht_no_gf;
 176
 177        /* Number of associated non-HT stations */
 178        /* int num_sta_no_ht; */
 179
 180        /* Number of HT associated stations 20 MHz */
 181        int num_sta_ht_20mhz;
 182
 183        /* Overlapping BSS information */
 184        int olbc_ht;
 185
 186        u16 ht_op_mode;
 187
 188        u8 *wps_beacon_ie;
 189        /* u8 *wps_probe_req_ie; */
 190        u8 *wps_probe_resp_ie;
 191        u8 *wps_assoc_resp_ie;
 192
 193        u32 wps_beacon_ie_len;
 194        u32 wps_probe_resp_ie_len;
 195        u32 wps_assoc_resp_ie_len;
 196
 197        spinlock_t bcn_update_lock;
 198        u8              update_bcn;
 199#endif /* if defined (CONFIG_88EU_AP_MODE) */
 200};
 201
 202#ifdef CONFIG_88EU_AP_MODE
 203
 204struct hostapd_priv {
 205        struct adapter *padapter;
 206};
 207
 208int hostapd_mode_init(struct adapter *padapter);
 209void hostapd_mode_unload(struct adapter *padapter);
 210#endif
 211
 212extern const u8 WPA_TKIP_CIPHER[4];
 213extern const u8 RSN_TKIP_CIPHER[4];
 214extern u8 REALTEK_96B_IE[];
 215extern const u8 MCS_rate_1R[16];
 216
 217void rtw_joinbss_event_prehandle(struct adapter *adapter, u8 *pbuf);
 218void rtw_survey_event_callback(struct adapter *adapter, u8 *pbuf);
 219void rtw_surveydone_event_callback(struct adapter *adapter, u8 *pbuf);
 220void rtw_joinbss_event_callback(struct adapter *adapter, u8 *pbuf);
 221void rtw_stassoc_event_callback(struct adapter *adapter, u8 *pbuf);
 222void rtw_stadel_event_callback(struct adapter *adapter, u8 *pbuf);
 223void indicate_wx_scan_complete_event(struct adapter *padapter);
 224void rtw_indicate_wx_assoc_event(struct adapter *padapter);
 225void rtw_indicate_wx_disassoc_event(struct adapter *padapter);
 226int event_thread(void *context);
 227void rtw_free_network_queue(struct adapter *adapter, u8 isfreeall);
 228int rtw_init_mlme_priv(struct adapter *adapter);
 229void rtw_free_mlme_priv(struct mlme_priv *pmlmepriv);
 230int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv);
 231int rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv,
 232                int keyid, u8 set_tx);
 233int rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv);
 234
 235static inline u8 *get_bssid(struct mlme_priv *pmlmepriv)
 236{       /* if sta_mode:pmlmepriv->cur_network.network.MacAddress=> bssid */
 237        /*  if adhoc_mode:pmlmepriv->cur_network.network.MacAddress=> ibss mac address */
 238        return pmlmepriv->cur_network.network.MacAddress;
 239}
 240
 241static inline int check_fwstate(struct mlme_priv *pmlmepriv, int state)
 242{
 243        if (pmlmepriv->fw_state & state)
 244                return true;
 245
 246        return false;
 247}
 248
 249static inline int get_fwstate(struct mlme_priv *pmlmepriv)
 250{
 251        return pmlmepriv->fw_state;
 252}
 253
 254/*
 255 * No Limit on the calling context,
 256 * therefore set it to be the critical section...
 257 *
 258 * ### NOTE:#### (!!!!)
 259 * MUST TAKE CARE THAT BEFORE CALLING THIS FUNC, YOU SHOULD HAVE LOCKED pmlmepriv->lock
 260 */
 261static inline void set_fwstate(struct mlme_priv *pmlmepriv, int state)
 262{
 263        pmlmepriv->fw_state |= state;
 264        /* FOR HW integration */
 265        if (state == _FW_UNDER_SURVEY)
 266                pmlmepriv->bScanInProcess = true;
 267}
 268
 269static inline void _clr_fwstate_(struct mlme_priv *pmlmepriv, int state)
 270{
 271        pmlmepriv->fw_state &= ~state;
 272        /* FOR HW integration */
 273        if (state == _FW_UNDER_SURVEY)
 274                pmlmepriv->bScanInProcess = false;
 275}
 276
 277/*
 278 * No Limit on the calling context,
 279 * therefore set it to be the critical section...
 280 */
 281static inline void clr_fwstate(struct mlme_priv *pmlmepriv, int state)
 282{
 283        spin_lock_bh(&pmlmepriv->lock);
 284        if (check_fwstate(pmlmepriv, state))
 285                pmlmepriv->fw_state ^= state;
 286        spin_unlock_bh(&pmlmepriv->lock);
 287}
 288
 289static inline void clr_fwstate_ex(struct mlme_priv *pmlmepriv, int state)
 290{
 291        spin_lock_bh(&pmlmepriv->lock);
 292        _clr_fwstate_(pmlmepriv, state);
 293        spin_unlock_bh(&pmlmepriv->lock);
 294}
 295
 296u16 rtw_get_capability(struct wlan_bssid_ex *bss);
 297void rtw_update_scanned_network(struct adapter *adapter,
 298                                struct wlan_bssid_ex *target);
 299void rtw_disconnect_hdl_under_linked(struct adapter *adapter,
 300                                     struct sta_info *psta, u8 free_assoc);
 301void rtw_generate_random_ibss(u8 *pibss);
 302struct wlan_network *rtw_find_network(struct __queue *scanned_queue, u8 *addr);
 303struct wlan_network *rtw_get_oldest_wlan_network(struct __queue *scanned_queue);
 304
 305void rtw_free_assoc_resources(struct adapter *adapter);
 306void rtw_free_assoc_resources_locked(struct adapter *adapter);
 307void rtw_indicate_disconnect(struct adapter *adapter);
 308void rtw_indicate_connect(struct adapter *adapter);
 309void rtw_indicate_scan_done(struct adapter *padapter, bool aborted);
 310
 311int rtw_restruct_sec_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie,
 312                        uint in_len);
 313int rtw_restruct_wmm_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie,
 314                        uint in_len, uint initial_out_len);
 315void rtw_init_registrypriv_dev_network(struct adapter *adapter);
 316
 317void rtw_update_registrypriv_dev_network(struct adapter *adapter);
 318
 319void rtw_get_encrypt_decrypt_from_registrypriv(struct adapter *adapter);
 320
 321void _rtw_join_timeout_handler(struct timer_list *t);
 322void rtw_scan_timeout_handler(struct timer_list *t);
 323
 324void rtw_dynamic_check_timer_handlder(struct timer_list *t);
 325#define rtw_is_scan_deny(adapter) false
 326#define rtw_clear_scan_deny(adapter) do {} while (0)
 327#define rtw_set_scan_deny_timer_hdl(adapter) do {} while (0)
 328#define rtw_set_scan_deny(adapter, ms) do {} while (0)
 329
 330void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv);
 331
 332struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv);
 333
 334int rtw_if_up(struct adapter *padapter);
 335
 336u8 *rtw_get_capability_from_ie(u8 *ie);
 337u8 *rtw_get_beacon_interval_from_ie(u8 *ie);
 338
 339void rtw_joinbss_reset(struct adapter *padapter);
 340
 341unsigned int rtw_restructure_ht_ie(struct adapter *padapter, u8 *in_ie,
 342                                   u8 *out_ie, uint in_len, uint *pout_len);
 343void rtw_update_ht_cap(struct adapter *padapter, u8 *pie, uint ie_len);
 344void rtw_issue_addbareq_cmd(struct adapter *padapter,
 345                            struct xmit_frame *pxmitframe);
 346
 347int rtw_is_same_ibss(struct adapter *adapter, struct wlan_network *pnetwork);
 348int is_same_network(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst);
 349
 350void rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network);
 351void _rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network);
 352
 353void rtw_stassoc_hw_rpt(struct adapter *adapter, struct sta_info *psta);
 354
 355#endif /* __RTL871X_MLME_H_ */
 356