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
get_bssid(struct mlme_priv * pmlmepriv)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
check_fwstate(struct mlme_priv * pmlmepriv,int state)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
get_fwstate(struct mlme_priv * pmlmepriv)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 */
set_fwstate(struct mlme_priv * pmlmepriv,int state)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
_clr_fwstate_(struct mlme_priv * pmlmepriv,int state)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 */
clr_fwstate(struct mlme_priv * pmlmepriv,int state)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) == true)
274 pmlmepriv->fw_state ^= state;
275 spin_unlock_bh(&pmlmepriv->lock);
276 }
277
clr_fwstate_ex(struct mlme_priv * pmlmepriv,int state)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_ */
341