1 /******************************************************************************
3 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
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.
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
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
19 ******************************************************************************/
23 #include <osdep_service.h>
24 #include <mlme_osdep.h>
25 #include <drv_types.h>
26 #include <wlan_bssdef.h>
28 #define MAX_BSS_CNT 128
29 #define MAX_JOIN_TIMEOUT 6500
31 /* Increase the scanning timeout because of increasing the SURVEY_TO value. */
33 #define SCANNING_TIMEOUT 8000
35 #define SCAN_INTERVAL (30) /* unit:2sec, 30*2=60sec */
37 #define SCANQUEUE_LIFETIME 20 /* unit:sec */
39 #define WIFI_NULL_STATE 0x00000000
41 #define WIFI_ASOC_STATE 0x00000001 /* Under Linked state */
42 #define WIFI_REASOC_STATE 0x00000002
43 #define WIFI_SLEEP_STATE 0x00000004
44 #define WIFI_STATION_STATE 0x00000008
46 #define WIFI_AP_STATE 0x00000010
47 #define WIFI_ADHOC_STATE 0x00000020
48 #define WIFI_ADHOC_MASTER_STATE 0x00000040
49 #define WIFI_UNDER_LINKING 0x00000080
51 #define WIFI_UNDER_WPS 0x00000100
52 #define WIFI_STA_ALIVE_CHK_STATE 0x00000400
53 #define WIFI_SITE_MONITOR 0x00000800 /* to indicate the station is under site surveying */
55 #define WIFI_MP_STATE 0x00010000
56 #define WIFI_MP_CTX_BACKGROUND 0x00020000 /* in continuous tx background */
57 #define WIFI_MP_CTX_ST 0x00040000 /* in continuous tx with single-tone */
58 #define WIFI_MP_CTX_BACKGROUND_PENDING 0x00080000 /* pending in continuous tx background due to out of skb */
59 #define WIFI_MP_CTX_CCK_HW 0x00100000 /* in continuous tx */
60 #define WIFI_MP_CTX_CCK_CS 0x00200000 /* in continuous tx with carrier suppression */
61 #define WIFI_MP_LPBK_STATE 0x00400000
63 #define _FW_UNDER_LINKING WIFI_UNDER_LINKING
64 #define _FW_LINKED WIFI_ASOC_STATE
65 #define _FW_UNDER_SURVEY WIFI_SITE_MONITOR
67 enum dot11AuthAlgrthmNum
{
68 dot11AuthAlgrthm_Open
= 0, /* open system */
69 dot11AuthAlgrthm_Shared
,
70 dot11AuthAlgrthm_8021X
,
71 dot11AuthAlgrthm_Auto
,
72 dot11AuthAlgrthm_WAPI
,
73 dot11AuthAlgrthm_MaxNum
76 /* Scan type including active and passive scan. */
83 enum SCAN_RESULT_TYPE
{
84 SCAN_RESULT_P2P_ONLY
= 0, /* Will return all the P2P devices. */
85 SCAN_RESULT_ALL
= 1, /* Will return all the scanned device,
87 SCAN_RESULT_WFD_TYPE
= 2 /* Will just return the correct WFD
89 /* If this device is Miracast sink
90 * device, it will just return all the
91 * Miracast source devices. */
95 there are several "locks" in mlme_priv,
96 since mlme_priv is a shared resource between many threads,
97 like ISR/Call-Back functions, the OID handlers, and even timer functions.
99 Each _queue has its own locks, already.
100 Other items are protected by mlme_priv.lock.
102 To avoid possible dead lock, any thread trying to modifiying mlme_priv
103 SHALL not lock up more than one lock at a time!
106 #define traffic_threshold 10
107 #define traffic_scan_period 500
109 struct rt_link_detect
{
112 u32 NumRxUnicastOkInPeriod
;
116 bool bHigherBusyTraffic
; /* For interrupt migration purpose. */
117 bool bHigherBusyRxTraffic
; /* We may disable Tx interrupt according
119 bool bHigherBusyTxTraffic
; /* We may disable Tx interrupt according
123 struct profile_info
{
125 u8 ssid
[WLAN_SSID_MAXLEN
];
126 u8 peermac
[ETH_ALEN
];
129 struct tx_invite_req_info
{
132 u8 go_ssid
[WLAN_SSID_MAXLEN
];
134 u8 go_bssid
[ETH_ALEN
];
135 u8 peer_macaddr
[ETH_ALEN
];
136 u8 operating_ch
; /* This information will be set by using the
138 u8 peer_ch
; /* The listen channel for peer P2P device */
141 struct tx_invite_resp_info
{
142 u8 token
; /* Used to record the dialog token of p2p invitation
146 struct tx_provdisc_req_info
{
147 u16 wps_config_method_request
; /* Used when sending the
148 * provisioning request frame*/
149 u16 peer_channel_num
[2]; /* The channel number which the
150 * receiver stands. */
151 struct ndis_802_11_ssid ssid
;
152 u8 peerDevAddr
[ETH_ALEN
]; /* Peer device address */
153 u8 peerIFAddr
[ETH_ALEN
]; /* Peer interface address */
154 u8 benable
; /* This provision discovery
155 * request frame is trigger
159 /* When peer device issue prov_disc_req first, we should store the following
161 /* The UI must know this information to know which config method the
162 * remote p2p device needs. */
163 struct rx_provdisc_req_info
{
164 u8 peerDevAddr
[ETH_ALEN
]; /* Peer device address */
165 u8 strconfig_method_desc_of_prov_disc_req
[4]; /* description
166 * for the config method located in the provisioning
167 * discovery request frame. */
170 struct tx_nego_req_info
{
171 u16 peer_channel_num
[2]; /* The channel number. */
172 u8 peerDevAddr
[ETH_ALEN
]; /* Peer device address */
173 u8 benable
; /* This negotiation request frame is
174 * trigger to send or not */
177 struct group_id_info
{
178 u8 go_device_addr
[ETH_ALEN
]; /* The GO's device address of
180 u8 ssid
[WLAN_SSID_MAXLEN
]; /* The SSID of this P2P group */
183 struct scan_limit_info
{
184 u8 scan_op_ch_only
; /* When this flag is set, the driver
185 * should only scan the op. channel */
186 u8 operation_ch
[2]; /* Store the op. chan of invitation */
189 struct wifidirect_info
{
190 struct adapter
*padapter
;
191 struct timer_list find_phase_timer
;
192 struct timer_list restore_p2p_state_timer
;
194 /* Used to do the scanning. After confirming the peer is availalble,
195 * the driver transmits the P2P frame to peer. */
196 struct timer_list pre_tx_scan_timer
;
197 struct timer_list reset_ch_sitesurvey
;
198 struct timer_list reset_ch_sitesurvey2
; /* Just for resetting the scan
199 * limit function by using p2p nego */
200 struct tx_provdisc_req_info tx_prov_disc_info
;
201 struct rx_provdisc_req_info rx_prov_disc_info
;
202 struct tx_invite_req_info invitereq_info
;
203 /* Store the profile information of persistent group */
204 struct profile_info profileinfo
[P2P_MAX_PERSISTENT_GROUP_NUM
];
205 struct tx_invite_resp_info inviteresp_info
;
206 struct tx_nego_req_info nego_req_info
;
207 /* Store the group id info when doing the group negot handshake. */
208 struct group_id_info groupid_info
;
209 /* Used for get the limit scan channel from the Invitation procedure */
210 struct scan_limit_info rx_invitereq_info
;
211 /* Used for get the limit scan chan from the P2P negotiation handshake*/
212 struct scan_limit_info p2p_info
;
214 enum P2P_STATE pre_p2p_state
;
215 enum P2P_STATE p2p_state
;
216 /* The device address should be the mac address of this device. */
217 u8 device_addr
[ETH_ALEN
];
218 u8 interface_addr
[ETH_ALEN
];
221 u8 operating_channel
;
222 u8 listen_dwell
; /* This value should be between 1 and 3 */
224 u8 p2p_wildcard_ssid
[P2P_WILDCARD_SSID_LEN
];
225 u8 intent
; /* should only include the intent value. */
226 u8 p2p_peer_interface_addr
[ETH_ALEN
];
227 u8 p2p_peer_device_addr
[ETH_ALEN
];
228 u8 peer_intent
; /* Included the intent value and tie breaker value. */
229 /* Device name for displaying on searching device screen */
230 u8 device_name
[WPS_MAX_DEVICE_NAME_LEN
];
232 u8 profileindex
; /* Used to point to the index of profileinfo array */
233 u8 peer_operating_ch
;
234 u8 find_phase_state_exchange_cnt
;
235 /* The device password ID for group negotiation */
236 u16 device_password_id_for_nego
;
237 u8 negotiation_dialog_token
;
238 /* SSID information for group negotitation */
239 u8 nego_ssid
[WLAN_SSID_MAXLEN
];
241 u8 p2p_group_ssid
[WLAN_SSID_MAXLEN
];
242 u8 p2p_group_ssid_len
;
243 /* Flag to know if the persistent function should be supported or not.*/
244 u8 persistent_supported
;
245 /* In the Sigma test, the Sigma will provide this enable from the
246 * sta_set_p2p CAPI. */
249 u8 session_available
; /* Flag to set the WFD session available to
250 * enable or disable "by Sigma" */
251 /* In the Sigma test, the Sigma will disable the session available
252 * by using the sta_preset CAPI. */
255 u8 wfd_tdls_enable
; /* Flag to enable or disable the TDLS by WFD Sigma*/
258 u8 wfd_tdls_weaksec
; /* Flag to enable or disable the weak security
259 * function for TDLS by WFD Sigma */
261 /* In this case, the driver can't issue the tdsl
262 * setup request frame. */
264 /* In this case, the driver can issue the tdls
265 * setup request frame */
266 /* even the current security is weak security. */
268 /* This field will store the WPS value (PIN value or PBC) that UI had
269 * got from the user. */
270 enum P2P_WPSINFO ui_got_wps_info
;
271 u16 supported_wps_cm
; /* This field describes the WPS config method
272 * which this driver supported. */
273 /* The value should be the combination of config
274 * method defined in page104 of WPS v2.0 spec.*/
275 /* This field will contain the length of body of P2P Channel List
276 * attribute of group negotiation response frame. */
277 uint channel_list_attr_len
;
278 /* This field will contain the body of P2P Channel List attribute of
279 * group negotitation response frame. */
280 /* We will use the channel_cnt and channel_list fields when constructing
281 * the group negotiation confirm frame. */
282 u8 channel_list_attr
[100];
283 enum P2P_PS_MODE p2p_ps_mode
; /* indicate p2p ps mode */
284 enum P2P_PS_STATE p2p_ps_state
; /* indicate p2p ps state */
285 u8 noa_index
; /* Identifies and instance of Notice of Absence timing. */
286 u8 ctwindow
; /* Client traffic window. A period of time in TU after TBTT. */
287 u8 opp_ps
; /* opportunistic power save. */
288 u8 noa_num
; /* number of NoA descriptor in P2P IE. */
289 u8 noa_count
[P2P_MAX_NOA_NUM
]; /* Count for owner, Type of client. */
290 /* Max duration for owner, preferred or min acceptable duration for
292 u32 noa_duration
[P2P_MAX_NOA_NUM
];
293 /* Length of interval for owner, preferred or max acceptable interval
295 u32 noa_interval
[P2P_MAX_NOA_NUM
];
296 /* schedule expressed in terms of the lower 4 bytes of the TSF timer. */
297 u32 noa_start_time
[P2P_MAX_NOA_NUM
];
302 int fw_state
; /* shall we protect this variable? maybe not necessarily... */
304 u8 to_join
; /* flag */
305 u8 to_roaming
; /* roaming trying times */
310 struct list_head
*pscanned
;
311 struct __queue free_bss_pool
;
312 struct __queue scanned_queue
;
316 struct ndis_802_11_ssid assoc_ssid
;
319 struct wlan_network cur_network
;
323 struct timer_list assoc_timer
;
328 struct timer_list scan_to_timer
; /* driver itself handles scan_timeout status. */
329 u32 scan_start_time
; /* used to evaluate the time spent in scanning */
331 struct qos_priv qospriv
;
333 /* Number of non-HT AP/stations */
336 /* Number of HT AP/stations 20 MHz */
337 /* int num_sta_ht_20mhz; */
339 int num_FortyMHzIntolerant
;
340 struct ht_priv htpriv
;
341 struct rt_link_detect LinkDetectInfo
;
342 struct timer_list dynamic_chk_timer
; /* dynamic/periodic check timer */
344 u8 key_mask
; /* use for ips to set wep key after ips_leave */
345 u8 acm_mask
; /* for wmm acm mask */
347 enum rt_scan_type scan_mode
; /* active: 1, passive: 0 */
349 /* u8 probereq_wpsie[MAX_WPS_IE_LEN];added in probe req */
350 /* int probereq_wpsie_len; */
351 u8
*wps_probe_req_ie
;
352 u32 wps_probe_req_ie_len
;
359 #if defined(CONFIG_88EU_AP_MODE)
360 /* Number of associated Non-ERP stations (i.e., stations using 802.11b
364 /* Number of associated stations that do not support Short Slot Time */
365 int num_sta_no_short_slot_time
;
367 /* Number of associated stations that do not support Short Preamble */
368 int num_sta_no_short_preamble
;
370 int olbc
; /* Overlapping Legacy BSS Condition */
372 /* Number of HT assoc sta that do not support greenfield */
373 int num_sta_ht_no_gf
;
375 /* Number of associated non-HT stations */
376 /* int num_sta_no_ht; */
378 /* Number of HT associated stations 20 MHz */
379 int num_sta_ht_20mhz
;
381 /* Overlapping BSS information */
387 /* u8 *wps_probe_req_ie; */
388 u8
*wps_probe_resp_ie
;
389 u8
*wps_assoc_resp_ie
;
391 u32 wps_beacon_ie_len
;
392 u32 wps_probe_resp_ie_len
;
393 u32 wps_assoc_resp_ie_len
;
396 u8
*p2p_probe_req_ie
;
397 u8
*p2p_probe_resp_ie
;
398 u8
*p2p_go_probe_resp_ie
; /* for GO */
399 u8
*p2p_assoc_req_ie
;
401 u32 p2p_beacon_ie_len
;
402 u32 p2p_probe_req_ie_len
;
403 u32 p2p_probe_resp_ie_len
;
404 u32 p2p_go_probe_resp_ie_len
; /* for GO */
405 u32 p2p_assoc_req_ie_len
;
406 spinlock_t bcn_update_lock
;
408 #endif /* if defined (CONFIG_88EU_AP_MODE) */
411 #ifdef CONFIG_88EU_AP_MODE
413 struct hostapd_priv
{
414 struct adapter
*padapter
;
417 int hostapd_mode_init(struct adapter
*padapter
);
418 void hostapd_mode_unload(struct adapter
*padapter
);
421 extern unsigned char WPA_TKIP_CIPHER
[4];
422 extern unsigned char RSN_TKIP_CIPHER
[4];
423 extern unsigned char REALTEK_96B_IE
[];
424 extern unsigned char MCS_rate_2R
[16];
425 extern unsigned char MCS_rate_1R
[16];
427 void rtw_joinbss_event_prehandle(struct adapter
*adapter
, u8
*pbuf
);
428 void rtw_survey_event_callback(struct adapter
*adapter
, u8
*pbuf
);
429 void rtw_surveydone_event_callback(struct adapter
*adapter
, u8
*pbuf
);
430 void rtw_joinbss_event_callback(struct adapter
*adapter
, u8
*pbuf
);
431 void rtw_stassoc_event_callback(struct adapter
*adapter
, u8
*pbuf
);
432 void rtw_stadel_event_callback(struct adapter
*adapter
, u8
*pbuf
);
433 void rtw_atimdone_event_callback(struct adapter
*adapter
, u8
*pbuf
);
434 void rtw_cpwm_event_callback(struct adapter
*adapter
, u8
*pbuf
);
435 void indicate_wx_scan_complete_event(struct adapter
*padapter
);
436 void rtw_indicate_wx_assoc_event(struct adapter
*padapter
);
437 void rtw_indicate_wx_disassoc_event(struct adapter
*padapter
);
438 int event_thread(void *context
);
439 void rtw_free_network_queue(struct adapter
*adapter
, u8 isfreeall
);
440 int rtw_init_mlme_priv(struct adapter
*adapter
);
441 void rtw_free_mlme_priv(struct mlme_priv
*pmlmepriv
);
442 int rtw_select_and_join_from_scanned_queue(struct mlme_priv
*pmlmepriv
);
443 int rtw_set_key(struct adapter
*adapter
, struct security_priv
*psecuritypriv
,
444 int keyid
, u8 set_tx
);
445 int rtw_set_auth(struct adapter
*adapter
, struct security_priv
*psecuritypriv
);
447 static inline u8
*get_bssid(struct mlme_priv
*pmlmepriv
)
448 { /* if sta_mode:pmlmepriv->cur_network.network.MacAddress=> bssid */
449 /* if adhoc_mode:pmlmepriv->cur_network.network.MacAddress=> ibss mac address */
450 return pmlmepriv
->cur_network
.network
.MacAddress
;
453 static inline int check_fwstate(struct mlme_priv
*pmlmepriv
, int state
)
455 if (pmlmepriv
->fw_state
& state
)
461 static inline int get_fwstate(struct mlme_priv
*pmlmepriv
)
463 return pmlmepriv
->fw_state
;
467 * No Limit on the calling context,
468 * therefore set it to be the critical section...
470 * ### NOTE:#### (!!!!)
471 * MUST TAKE CARE THAT BEFORE CALLING THIS FUNC, YOU SHOULD HAVE LOCKED pmlmepriv->lock
473 static inline void set_fwstate(struct mlme_priv
*pmlmepriv
, int state
)
475 pmlmepriv
->fw_state
|= state
;
476 /* FOR HW integration */
477 if (_FW_UNDER_SURVEY
== state
)
478 pmlmepriv
->bScanInProcess
= true;
481 static inline void _clr_fwstate_(struct mlme_priv
*pmlmepriv
, int state
)
483 pmlmepriv
->fw_state
&= ~state
;
484 /* FOR HW integration */
485 if (_FW_UNDER_SURVEY
== state
)
486 pmlmepriv
->bScanInProcess
= false;
490 * No Limit on the calling context,
491 * therefore set it to be the critical section...
493 static inline void clr_fwstate(struct mlme_priv
*pmlmepriv
, int state
)
495 spin_lock_bh(&pmlmepriv
->lock
);
496 if (check_fwstate(pmlmepriv
, state
) == true)
497 pmlmepriv
->fw_state
^= state
;
498 spin_unlock_bh(&pmlmepriv
->lock
);
501 static inline void clr_fwstate_ex(struct mlme_priv
*pmlmepriv
, int state
)
503 spin_lock_bh(&pmlmepriv
->lock
);
504 _clr_fwstate_(pmlmepriv
, state
);
505 spin_unlock_bh(&pmlmepriv
->lock
);
508 static inline void up_scanned_network(struct mlme_priv
*pmlmepriv
)
510 spin_lock_bh(&pmlmepriv
->lock
);
511 pmlmepriv
->num_of_scanned
++;
512 spin_unlock_bh(&pmlmepriv
->lock
);
515 static inline void down_scanned_network(struct mlme_priv
*pmlmepriv
)
517 spin_lock_bh(&pmlmepriv
->lock
);
518 pmlmepriv
->num_of_scanned
--;
519 spin_unlock_bh(&pmlmepriv
->lock
);
522 static inline void set_scanned_network_val(struct mlme_priv
*pmlmepriv
, int val
)
524 spin_lock_bh(&pmlmepriv
->lock
);
525 pmlmepriv
->num_of_scanned
= val
;
526 spin_unlock_bh(&pmlmepriv
->lock
);
529 u16
rtw_get_capability(struct wlan_bssid_ex
*bss
);
530 void rtw_update_scanned_network(struct adapter
*adapter
,
531 struct wlan_bssid_ex
*target
);
532 void rtw_disconnect_hdl_under_linked(struct adapter
*adapter
,
533 struct sta_info
*psta
, u8 free_assoc
);
534 void rtw_generate_random_ibss(u8
*pibss
);
535 struct wlan_network
*rtw_find_network(struct __queue
*scanned_queue
, u8
*addr
);
536 struct wlan_network
*rtw_get_oldest_wlan_network(struct __queue
*scanned_queue
);
538 void rtw_free_assoc_resources(struct adapter
*adapter
);
539 void rtw_free_assoc_resources_locked(struct adapter
*adapter
);
540 void rtw_indicate_disconnect(struct adapter
*adapter
);
541 void rtw_indicate_connect(struct adapter
*adapter
);
542 void rtw_indicate_scan_done(struct adapter
*padapter
, bool aborted
);
543 void rtw_scan_abort(struct adapter
*adapter
);
545 int rtw_restruct_sec_ie(struct adapter
*adapter
, u8
*in_ie
, u8
*out_ie
,
547 int rtw_restruct_wmm_ie(struct adapter
*adapter
, u8
*in_ie
, u8
*out_ie
,
548 uint in_len
, uint initial_out_len
);
549 void rtw_init_registrypriv_dev_network(struct adapter
*adapter
);
551 void rtw_update_registrypriv_dev_network(struct adapter
*adapter
);
553 void rtw_get_encrypt_decrypt_from_registrypriv(struct adapter
*adapter
);
555 void _rtw_join_timeout_handler(unsigned long data
);
556 void rtw_scan_timeout_handler(unsigned long data
);
558 void rtw_dynamic_check_timer_handlder(unsigned long data
);
559 #define rtw_is_scan_deny(adapter) false
560 #define rtw_clear_scan_deny(adapter) do {} while (0)
561 #define rtw_set_scan_deny_timer_hdl(adapter) do {} while (0)
562 #define rtw_set_scan_deny(adapter, ms) do {} while (0)
564 void rtw_free_mlme_priv_ie_data(struct mlme_priv
*pmlmepriv
);
566 struct wlan_network
*_rtw_alloc_network(struct mlme_priv
*pmlmepriv
);
568 void _rtw_free_network_nolock(struct mlme_priv
*pmlmepriv
,
569 struct wlan_network
*pnetwork
);
571 int rtw_if_up(struct adapter
*padapter
);
573 u8
*rtw_get_capability_from_ie(u8
*ie
);
574 u8
*rtw_get_beacon_interval_from_ie(u8
*ie
);
576 void rtw_joinbss_reset(struct adapter
*padapter
);
578 unsigned int rtw_restructure_ht_ie(struct adapter
*padapter
, u8
*in_ie
,
579 u8
*out_ie
, uint in_len
, uint
*pout_len
);
580 void rtw_update_ht_cap(struct adapter
*padapter
, u8
*pie
, uint ie_len
);
581 void rtw_issue_addbareq_cmd(struct adapter
*padapter
,
582 struct xmit_frame
*pxmitframe
);
584 int rtw_is_same_ibss(struct adapter
*adapter
, struct wlan_network
*pnetwork
);
585 int is_same_network(struct wlan_bssid_ex
*src
, struct wlan_bssid_ex
*dst
);
587 void rtw_roaming(struct adapter
*padapter
, struct wlan_network
*tgt_network
);
588 void _rtw_roaming(struct adapter
*padapter
, struct wlan_network
*tgt_network
);
590 void rtw_stassoc_hw_rpt(struct adapter
*adapter
, struct sta_info
*psta
);
592 #endif /* __RTL871X_MLME_H_ */