kernel/drivers/staging/rtl8723au/include/rtw_mlme.h

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  12  * more details.
  13  *
  14  *
  15  ******************************************************************************/
  16 #ifndef __RTW_MLME_H_
  17 #define __RTW_MLME_H_
  18
  19 #include <osdep_service.h>
  20 #include <mlme_osdep.h>
  21 #include <drv_types.h>
  22 #include <wlan_bssdef.h>
  23
  24 #define MAX_BSS_CNT     128
  25 #define   MAX_JOIN_TIMEOUT      6500
  26
  27 /* Increase the scanning timeout because of increasing the SURVEY_TO value. */
  28
  29 #define SCANNING_TIMEOUT        8000
  30
  31 #define SCAN_INTERVAL   (30) /*  unit:2sec, 30*2 = 60sec */
  32
  33 #define SCANQUEUE_LIFETIME 20 /*  unit:sec */
  34
  35 #define WIFI_NULL_STATE         0x00000000
  36
  37 #define WIFI_ASOC_STATE         0x00000001 /*  Under Linked state.*/
  38 #define WIFI_REASOC_STATE       0x00000002
  39 #define WIFI_SLEEP_STATE        0x00000004
  40 #define WIFI_STATION_STATE      0x00000008
  41
  42 #define WIFI_AP_STATE           0x00000010
  43 #define WIFI_ADHOC_STATE        0x00000020
  44 #define   WIFI_ADHOC_MASTER_STATE       0x00000040
  45 #define   WIFI_UNDER_LINKING    0x00000080
  46
  47 #define WIFI_UNDER_WPS          0x00000100
  48 #define WIFI_STA_ALIVE_CHK_STATE        0x00000400
  49 /* to indicate the station is under site surveying */
  50 #define WIFI_SITE_MONITOR       0x00000800
  51
  52 #define WIFI_MP_STATE           0x00010000
  53 #define WIFI_MP_CTX_BACKGROUND  0x00020000      /*  in continous tx background */
  54 #define WIFI_MP_CTX_ST          0x00040000      /*  in continous tx with single-tone */
  55 #define WIFI_MP_CTX_BACKGROUND_PENDING  0x00080000      /*  pending in continous tx background due to out of skb */
  56 #define WIFI_MP_CTX_CCK_HW      0x00100000      /*  in continous tx */
  57 #define WIFI_MP_CTX_CCK_CS      0x00200000      /*  in continous tx with carrier suppression */
  58 #define   WIFI_MP_LPBK_STATE    0x00400000
  59
  60 #define _FW_UNDER_LINKING       WIFI_UNDER_LINKING
  61 #define _FW_LINKED              WIFI_ASOC_STATE
  62 #define _FW_UNDER_SURVEY        WIFI_SITE_MONITOR
  63
  64
  65 enum dot11AuthAlgrthmNum {
  66         dot11AuthAlgrthm_Open = 0,
  67         dot11AuthAlgrthm_Shared,
  68         dot11AuthAlgrthm_8021X,
  69         dot11AuthAlgrthm_Auto,
  70         dot11AuthAlgrthm_MaxNum
  71 };
  72
  73 /*  Scan type including active and passive scan. */
  74 enum rt_scan_type {
  75         SCAN_PASSIVE,
  76         SCAN_ACTIVE,
  77         SCAN_MIX,
  78 };
  79
  80 enum {
  81         GHZ24_50 = 0,
  82         GHZ_50,
  83         GHZ_24,
  84 };
  85
  86 /*
  87
  88 there are several "locks" in mlme_priv,
  89 since mlme_priv is a shared resource between many threads,
  90 like ISR/Call-Back functions, the OID handlers, and even timer functions.
  91
  92
  93 Each _queue has its own locks, already.
  94 Other items are protected by mlme_priv.lock.
  95
  96 To avoid possible dead lock, any thread trying to modifiying mlme_priv
  97 SHALL not lock up more than one locks at a time!
  98 */
  99
 100 struct rt_link_detect {
 101         u32     NumTxOkInPeriod;
 102         u32     NumRxOkInPeriod;
 103         u32     NumRxUnicastOkInPeriod;
 104         bool    bBusyTraffic;
 105         bool    bTxBusyTraffic;
 106         bool    bRxBusyTraffic;
 107         bool    bHigherBusyTraffic; /*  For interrupt migration purpose. */
 108         bool    bHigherBusyRxTraffic; /*  We may disable Tx interrupt according as Rx traffic. */
 109         bool    bHigherBusyTxTraffic; /*  We may disable Tx interrupt according as Tx traffic. */
 110 };
 111
 112 struct mlme_priv {
 113         spinlock_t      lock;
 114         int     fw_state;
 115         u8 bScanInProcess;
 116         u8      to_join; /* flag */
 117         u8 to_roaming; /*  roaming trying times */
 118
 119         struct rtw_adapter *nic_hdl;
 120
 121         u8      not_indic_disco;
 122         struct rtw_queue        scanned_queue;
 123
 124         struct cfg80211_ssid assoc_ssid;
 125         u8      assoc_bssid[6];
 126
 127         struct wlan_network     cur_network;
 128
 129         /* uint wireless_mode; no used, remove it */
 130
 131         u32     scan_interval;
 132
 133         struct timer_list assoc_timer;
 134
 135         uint assoc_by_bssid;
 136         uint assoc_by_rssi;
 137
 138         struct timer_list scan_to_timer;
 139
 140         struct timer_list set_scan_deny_timer;
 141         atomic_t set_scan_deny; /* 0: allowed, 1: deny */
 142
 143         unsigned int qos_option;
 144
 145         /* Number of non-HT AP/stations */
 146         int num_sta_no_ht;
 147
 148         int num_FortyMHzIntolerant;
 149
 150         struct ht_priv  htpriv;
 151
 152         struct rt_link_detect LinkDetectInfo;
 153         struct timer_list dynamic_chk_timer; /* dynamic/periodic check timer */
 154
 155         u8      key_mask; /* use for ips to set wep key after ips_leave23a */
 156         u8      acm_mask; /*  for wmm acm mask */
 157         u8      ChannelPlan;
 158         enum rt_scan_type scan_mode; /*  active: 1, passive: 0 */
 159
 160         u8 *wps_probe_req_ie;
 161         u32 wps_probe_req_ie_len;
 162         u8 *assoc_req;
 163         u32 assoc_req_len;
 164         u32 assoc_rsp_len;
 165         u8 *assoc_rsp;
 166
 167 #ifdef CONFIG_8723AU_AP_MODE
 168         /* Number of associated Non-ERP stations (i.e., stations using 802.11b
 169          * in 802.11g BSS) */
 170         int num_sta_non_erp;
 171
 172         /* Number of associated stations that do not support Short Slot Time */
 173         int num_sta_no_short_slot_time;
 174
 175         /* Number of associated stations that do not support Short Preamble */
 176         int num_sta_no_short_preamble;
 177
 178         int olbc; /* Overlapping Legacy BSS Condition */
 179
 180         /* Number of HT associated stations that do not support greenfield */
 181         int num_sta_ht_no_gf;
 182
 183         /* Number of associated non-HT stations */
 184         /* int num_sta_no_ht; */
 185
 186         /* Number of HT associated stations 20 MHz */
 187         int num_sta_ht_20mhz;
 188
 189         /* Overlapping BSS information */
 190         int olbc_ht;
 191
 192         u16 ht_op_mode;
 193
 194         spinlock_t      bcn_update_lock;
 195         u8              update_bcn;
 196
 197 #endif /* ifdef CONFIG_8723AU_AP_MODE */
 198 };
 199
 200 void rtw_joinbss_event_prehandle23a(struct rtw_adapter *adapter, u8 *pbuf);
 201 void rtw_survey_event_cb23a(struct rtw_adapter *adapter, const u8 *pbuf);
 202 void rtw_surveydone_event_callback23a(struct rtw_adapter *adapter, const u8 *pbuf);
 203 void rtw23a_joinbss_event_cb(struct rtw_adapter *adapter, const u8 *pbuf);
 204 void rtw_stassoc_event_callback23a(struct rtw_adapter *adapter, const u8 *pbuf);
 205 void rtw_stadel_event_callback23a(struct rtw_adapter *adapter, const u8 *pbuf);
 206
 207 int event_thread(void *context);
 208 void rtw23a_join_to_handler(unsigned long);
 209
 210 void rtw_free_network_queue23a(struct rtw_adapter *adapter);
 211 int rtw_init_mlme_priv23a(struct rtw_adapter *adapter);
 212
 213 void rtw_free_mlme_priv23a(struct mlme_priv *pmlmepriv);
 214
 215 int rtw_do_join_adhoc(struct rtw_adapter *adapter);
 216 int rtw_do_join_network(struct rtw_adapter *adapter,
 217                         struct wlan_network *candidate);
 218 int rtw_select_and_join_from_scanned_queue23a(struct mlme_priv *pmlmepriv);
 219 int rtw_set_key23a(struct rtw_adapter *adapter,
 220                 struct security_priv *psecuritypriv, int keyid, u8 set_tx);
 221 int rtw_set_auth23a(struct rtw_adapter *adapter,
 222                  struct security_priv *psecuritypriv);
 223
 224 static inline u8 *get_bssid(struct mlme_priv *pmlmepriv)
 225 {       /* if sta_mode:pmlmepriv->cur_network.network.MacAddress => bssid */
 226         /*  if adhoc_mode:pmlmepriv->cur_network.network.MacAddress => ibss mac address */
 227         return pmlmepriv->cur_network.network.MacAddress;
 228 }
 229
 230 static inline bool check_fwstate(struct mlme_priv *pmlmepriv, int state)
 231 {
 232         if (pmlmepriv->fw_state & state)
 233                 return true;
 234
 235         return false;
 236 }
 237
 238 static inline int get_fwstate(struct mlme_priv *pmlmepriv)
 239 {
 240         return pmlmepriv->fw_state;
 241 }
 242
 243 /*
 244  * No Limit on the calling context,
 245  * therefore set it to be the critical section...
 246  *
 247  * ### NOTE:#### (!!!!)
 248  * MUST TAKE CARE THAT BEFORE CALLING THIS FUNC, YOU SHOULD HAVE LOCKED pmlmepriv->lock
 249  */
 250 static inline void set_fwstate(struct mlme_priv *pmlmepriv, int state)
 251 {
 252         pmlmepriv->fw_state |= state;
 253         /* FOR HW integration */
 254         if (_FW_UNDER_SURVEY == state)
 255                 pmlmepriv->bScanInProcess = true;
 256 }
 257
 258 static inline void _clr_fwstate_(struct mlme_priv *pmlmepriv, int state)
 259 {
 260         pmlmepriv->fw_state &= ~state;
 261         /* FOR HW integration */
 262         if (_FW_UNDER_SURVEY == state)
 263                 pmlmepriv->bScanInProcess = false;
 264 }
 265
 266 /*
 267  * No Limit on the calling context,
 268  * therefore set it to be the critical section...
 269  */
 270 static inline void clr_fwstate(struct mlme_priv *pmlmepriv, int state)
 271 {
 272         spin_lock_bh(&pmlmepriv->lock);
 273         if (check_fwstate(pmlmepriv, state))
 274                 pmlmepriv->fw_state ^= state;
 275         spin_unlock_bh(&pmlmepriv->lock);
 276 }
 277
 278 static inline void clr_fwstate_ex(struct mlme_priv *pmlmepriv, int state)
 279 {
 280         spin_lock_bh(&pmlmepriv->lock);
 281         _clr_fwstate_(pmlmepriv, state);
 282         spin_unlock_bh(&pmlmepriv->lock);
 283 }
 284
 285 void rtw_disconnect_hdl23a_under_linked(struct rtw_adapter *adapter,
 286                                      struct sta_info *psta, u8 free_assoc);
 287 void rtw_generate_random_ibss23a(u8 *pibss);
 288 struct wlan_network *rtw_find_network23a(struct rtw_queue *scanned_queue, u8 *addr);
 289 struct wlan_network *rtw_get_oldest_wlan_network23a(struct rtw_queue *scanned_queue);
 290
 291 void rtw_free_assoc_resources23a(struct rtw_adapter *adapter,
 292                               int lock_scanned_queue);
 293 void rtw_indicate_disconnect23a(struct rtw_adapter *adapter);
 294 void rtw_indicate_connect23a(struct rtw_adapter *adapter);
 295 void rtw_scan_abort23a(struct rtw_adapter *adapter);
 296
 297 int rtw_restruct_sec_ie23a(struct rtw_adapter *adapter, u8 *in_ie, u8 *out_ie,
 298                         uint in_len);
 299 int rtw_restruct_wmm_ie23a(struct rtw_adapter *adapter, u8 *in_ie, u8 *out_ie,
 300                         uint in_len, uint initial_out_len);
 301 void rtw_init_registrypriv_dev_network23a(struct rtw_adapter *adapter);
 302
 303 void rtw_update_registrypriv_dev_network23a(struct rtw_adapter *adapter);
 304
 305 void rtw_scan_timeout_handler23a(unsigned long data);
 306
 307 void rtw_dynamic_check_timer_handler(unsigned long data);
 308 bool rtw_is_scan_deny(struct rtw_adapter *adapter);
 309 void rtw_clear_scan_deny(struct rtw_adapter *adapter);
 310 void rtw_set_scan_deny_timer_hdl(unsigned long data);
 311 void rtw_set_scan_deny(struct rtw_adapter *adapter, u32 ms);
 312
 313 void rtw23a_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv);
 314
 315 void _rtw_free_mlme_priv23a(struct mlme_priv *pmlmepriv);
 316
 317 struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv, gfp_t gfp);
 318
 319 int rtw_if_up23a(struct rtw_adapter *padapter);
 320
 321 int rtw_linked_check(struct rtw_adapter *padapter);
 322
 323 void rtw_joinbss_reset23a(struct rtw_adapter *padapter);
 324
 325 bool rtw_restructure_ht_ie23a(struct rtw_adapter *padapter, u8 *in_ie,
 326                               u8 *out_ie, uint in_len, uint *pout_len);
 327 void rtw_update_ht_cap23a(struct rtw_adapter *padapter,
 328                        u8 *pie, uint ie_len);
 329 void rtw_issue_addbareq_cmd23a(struct rtw_adapter *padapter,
 330                             struct xmit_frame *pxmitframe);
 331
 332 bool rtw_is_same_ibss23a(struct rtw_adapter *adapter,
 333                          struct wlan_network *pnetwork);
 334 int is_same_network23a(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst);
 335
 336 void rtw23a_roaming(struct rtw_adapter *adapter,
 337                  struct wlan_network *tgt_network);
 338 void rtw_set_roaming(struct rtw_adapter *adapter, u8 to_roaming);
 339
 340 #endif /* __RTL871X_MLME_H_ */