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1 | /****************************************************************************** |
2 | * | |
3 | * Copyright(c) 2007 - 2010 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 | * 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 | |
17 | * | |
18 | * Modifications for inclusion into the Linux staging tree are | |
19 | * Copyright(c) 2010 Larry Finger. All rights reserved. | |
20 | * | |
21 | * Contact information: | |
22 | * WLAN FAE <wlanfae@realtek.com> | |
23 | * Larry Finger <Larry.Finger@lwfinger.net> | |
24 | * | |
25 | ******************************************************************************/ | |
2865d42c LF |
26 | #ifndef __RTL871X_MLME_H_ |
27 | #define __RTL871X_MLME_H_ | |
28 | ||
29 | #include "osdep_service.h" | |
30 | #include "drv_types.h" | |
31 | #include "wlan_bssdef.h" | |
32 | ||
33 | #define MAX_BSS_CNT 64 | |
34 | #define MAX_JOIN_TIMEOUT 6000 | |
35 | ||
36 | #define SCANNING_TIMEOUT 4500 | |
37 | ||
38 | #define SCANQUEUE_LIFETIME 20 /* unit:sec */ | |
39 | ||
40 | #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 | |
45 | #define WIFI_AP_STATE 0x00000010 | |
46 | #define WIFI_ADHOC_STATE 0x00000020 | |
47 | #define WIFI_ADHOC_MASTER_STATE 0x00000040 | |
48 | #define WIFI_UNDER_LINKING 0x00000080 | |
49 | #define WIFI_SITE_MONITOR 0x00000800 /* to indicate the station | |
50 | * is under site surveying*/ | |
51 | #define WIFI_MP_STATE 0x00010000 | |
52 | #define WIFI_MP_CTX_BACKGROUND 0x00020000 /* in cont. tx background*/ | |
53 | #define WIFI_MP_CTX_ST 0x00040000 /* in cont. tx with | |
54 | * single-tone*/ | |
55 | #define WIFI_MP_CTX_BACKGROUND_PENDING 0x00080000 /* pending in cont, tx | |
56 | * background due to out of skb*/ | |
25985edc | 57 | #define WIFI_MP_CTX_CCK_HW 0x00100000 /* in continuous tx*/ |
2865d42c LF |
58 | #define WIFI_MP_CTX_CCK_CS 0x00200000 /* in cont, tx with carrier |
59 | * suppression*/ | |
60 | #define WIFI_MP_LPBK_STATE 0x00400000 | |
61 | ||
62 | #define _FW_UNDER_LINKING WIFI_UNDER_LINKING | |
63 | #define _FW_LINKED WIFI_ASOC_STATE | |
64 | #define _FW_UNDER_SURVEY WIFI_SITE_MONITOR | |
65 | ||
66 | /* | |
67 | there are several "locks" in mlme_priv, | |
68 | since mlme_priv is a shared resource between many threads, | |
69 | like ISR/Call-Back functions, the OID handlers, and even timer functions. | |
70 | Each _queue has its own locks, already. | |
71 | Other items are protected by mlme_priv.lock. | |
be10ac2b JM |
72 | To avoid possible dead lock, any thread trying to modify mlme_priv |
73 | SHALL not lock up more than one lock at a time! | |
2865d42c LF |
74 | */ |
75 | ||
76 | #define traffic_threshold 10 | |
77 | #define traffic_scan_period 500 | |
78 | ||
79 | struct sitesurvey_ctrl { | |
80 | u64 last_tx_pkts; | |
81 | uint last_rx_pkts; | |
82 | sint traffic_busy; | |
83 | struct timer_list sitesurvey_ctrl_timer; | |
84 | }; | |
85 | ||
86 | struct mlme_priv { | |
87 | ||
88 | spinlock_t lock; | |
89 | spinlock_t lock2; | |
90 | sint fw_state; /*shall we protect this variable? */ | |
91 | u8 to_join; /*flag*/ | |
92 | u8 *nic_hdl; | |
93 | struct list_head *pscanned; | |
94 | struct __queue free_bss_pool; | |
95 | struct __queue scanned_queue; | |
96 | u8 *free_bss_buf; | |
97 | unsigned long num_of_scanned; | |
c6dc001f | 98 | u8 passive_mode; /*add for Android's SCAN-ACTIVE/SCAN-PASSIVE */ |
2865d42c LF |
99 | struct ndis_802_11_ssid assoc_ssid; |
100 | u8 assoc_bssid[6]; | |
101 | struct wlan_network cur_network; | |
102 | struct sitesurvey_ctrl sitesurveyctrl; | |
103 | struct timer_list assoc_timer; | |
104 | uint assoc_by_bssid; | |
105 | uint assoc_by_rssi; | |
106 | struct timer_list scan_to_timer; /* driver handles scan_timeout.*/ | |
107 | struct timer_list dhcp_timer; /* set dhcp to if driver in ps mode.*/ | |
108 | struct qos_priv qospriv; | |
109 | struct ht_priv htpriv; | |
110 | struct timer_list wdg_timer; /*watchdog periodic timer*/ | |
111 | }; | |
112 | ||
113 | static inline u8 *get_bssid(struct mlme_priv *pmlmepriv) | |
114 | { | |
115 | return pmlmepriv->cur_network.network.MacAddress; | |
116 | } | |
117 | ||
118 | static inline u8 check_fwstate(struct mlme_priv *pmlmepriv, sint state) | |
119 | { | |
120 | if (pmlmepriv->fw_state & state) | |
121 | return true; | |
122 | return false; | |
123 | } | |
124 | ||
125 | static inline sint get_fwstate(struct mlme_priv *pmlmepriv) | |
126 | { | |
127 | return pmlmepriv->fw_state; | |
128 | } | |
129 | ||
130 | /* | |
131 | * No Limit on the calling context, | |
132 | * therefore set it to be the critical section... | |
133 | * | |
134 | * ### NOTE:#### (!!!!) | |
be10ac2b | 135 | * TAKE CARE BEFORE CALLING THIS FUNC, LOCK pmlmepriv->lock |
2865d42c LF |
136 | */ |
137 | static inline void set_fwstate(struct mlme_priv *pmlmepriv, sint state) | |
138 | { | |
139 | pmlmepriv->fw_state |= state; | |
140 | } | |
141 | ||
142 | static inline void _clr_fwstate_(struct mlme_priv *pmlmepriv, sint state) | |
143 | { | |
144 | pmlmepriv->fw_state &= ~state; | |
145 | } | |
146 | ||
147 | /* | |
148 | * No Limit on the calling context, | |
149 | * therefore set it to be the critical section... | |
150 | */ | |
151 | static inline void clr_fwstate(struct mlme_priv *pmlmepriv, sint state) | |
152 | { | |
153 | unsigned long irqL; | |
154 | ||
155 | spin_lock_irqsave(&pmlmepriv->lock, irqL); | |
156 | if (check_fwstate(pmlmepriv, state) == true) | |
157 | pmlmepriv->fw_state ^= state; | |
158 | spin_unlock_irqrestore(&pmlmepriv->lock, irqL); | |
159 | } | |
160 | ||
161 | static inline void up_scanned_network(struct mlme_priv *pmlmepriv) | |
162 | { | |
163 | unsigned long irqL; | |
164 | ||
165 | spin_lock_irqsave(&pmlmepriv->lock, irqL); | |
166 | pmlmepriv->num_of_scanned++; | |
167 | spin_unlock_irqrestore(&pmlmepriv->lock, irqL); | |
168 | } | |
169 | ||
170 | static inline void down_scanned_network(struct mlme_priv *pmlmepriv) | |
171 | { | |
172 | unsigned long irqL; | |
173 | ||
174 | spin_lock_irqsave(&pmlmepriv->lock, irqL); | |
175 | pmlmepriv->num_of_scanned--; | |
176 | spin_unlock_irqrestore(&pmlmepriv->lock, irqL); | |
177 | } | |
178 | ||
179 | static inline void set_scanned_network_val(struct mlme_priv *pmlmepriv, | |
180 | sint val) | |
181 | { | |
182 | unsigned long irqL; | |
183 | ||
184 | spin_lock_irqsave(&pmlmepriv->lock, irqL); | |
185 | pmlmepriv->num_of_scanned = val; | |
186 | spin_unlock_irqrestore(&pmlmepriv->lock, irqL); | |
187 | } | |
188 | ||
189 | void r8712_survey_event_callback(struct _adapter *adapter, u8 *pbuf); | |
190 | void r8712_surveydone_event_callback(struct _adapter *adapter, u8 *pbuf); | |
191 | void r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf); | |
192 | void r8712_stassoc_event_callback(struct _adapter *adapter, u8 *pbuf); | |
193 | void r8712_stadel_event_callback(struct _adapter *adapter, u8 *pbuf); | |
194 | void r8712_atimdone_event_callback(struct _adapter *adapter, u8 *pbuf); | |
195 | void r8712_cpwm_event_callback(struct _adapter *adapter, u8 *pbuf); | |
196 | void r8712_wpspbc_event_callback(struct _adapter *adapter, u8 *pbuf); | |
197 | void r8712_free_network_queue(struct _adapter *adapter); | |
198 | int r8712_init_mlme_priv(struct _adapter *adapter); | |
199 | void r8712_free_mlme_priv(struct mlme_priv *pmlmepriv); | |
200 | sint r8712_select_and_join_from_scan(struct mlme_priv *pmlmepriv); | |
201 | sint r8712_set_key(struct _adapter *adapter, | |
202 | struct security_priv *psecuritypriv, sint keyid); | |
203 | sint r8712_set_auth(struct _adapter *adapter, | |
204 | struct security_priv *psecuritypriv); | |
205 | uint r8712_get_ndis_wlan_bssid_ex_sz(struct ndis_wlan_bssid_ex *bss); | |
206 | void r8712_generate_random_ibss(u8 *pibss); | |
207 | u8 *r8712_get_capability_from_ie(u8 *ie); | |
208 | struct wlan_network *r8712_get_oldest_wlan_network( | |
209 | struct __queue *scanned_queue); | |
210 | void r8712_free_assoc_resources(struct _adapter *adapter); | |
211 | void r8712_ind_disconnect(struct _adapter *adapter); | |
212 | void r8712_indicate_connect(struct _adapter *adapter); | |
213 | int r8712_restruct_sec_ie(struct _adapter *adapter, u8 *in_ie, | |
214 | u8 *out_ie, uint in_len); | |
215 | int r8712_restruct_wmm_ie(struct _adapter *adapter, u8 *in_ie, | |
216 | u8 *out_ie, uint in_len, uint initial_out_len); | |
217 | void r8712_init_registrypriv_dev_network(struct _adapter *adapter); | |
218 | void r8712_update_registrypriv_dev_network(struct _adapter *adapter); | |
219 | void _r8712_sitesurvey_ctrl_handler(struct _adapter *adapter); | |
220 | void _r8712_join_timeout_handler(struct _adapter *adapter); | |
221 | void r8712_scan_timeout_handler(struct _adapter *adapter); | |
222 | void _r8712_dhcp_timeout_handler(struct _adapter *adapter); | |
223 | void _r8712_wdg_timeout_handler(struct _adapter *adapter); | |
224 | struct wlan_network *_r8712_alloc_network(struct mlme_priv *pmlmepriv); | |
225 | sint r8712_if_up(struct _adapter *padapter); | |
226 | void r8712_joinbss_reset(struct _adapter *padapter); | |
227 | unsigned int r8712_restructure_ht_ie(struct _adapter *padapter, u8 *in_ie, | |
228 | u8 *out_ie, uint in_len, uint *pout_len); | |
229 | void r8712_issue_addbareq_cmd(struct _adapter *padapter, int priority); | |
2865d42c LF |
230 | int r8712_is_same_ibss(struct _adapter *adapter, struct wlan_network *pnetwork); |
231 | ||
232 | #endif /*__RTL871X_MLME_H_*/ |