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 * 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 *
19 ******************************************************************************/
20 #ifndef __STA_INFO_H_
21 #define __STA_INFO_H_
22
23 #include <osdep_service.h>
24 #include <drv_types.h>
25 #include <wifi.h>
26
27 #define IBSS_START_MAC_ID 2
28 #define NUM_STA 32
29 #define NUM_ACL 16
30
31 /* if mode ==0, then the sta is allowed once the addr is hit. */
32 /* if mode ==1, then the sta is rejected once the addr is non-hit. */
33 struct rtw_wlan_acl_node {
34 struct list_head list;
35 u8 addr[ETH_ALEN];
36 u8 valid;
37 };
38
39 /* mode=0, disable */
40 /* mode=1, accept unless in deny list */
41 /* mode=2, deny unless in accept list */
42 struct wlan_acl_pool {
43 int mode;
44 int num;
45 struct rtw_wlan_acl_node aclnode[NUM_ACL];
46 struct __queue acl_node_q;
47 };
48
49 struct rssi_sta {
50 s32 UndecoratedSmoothedPWDB;
51 s32 UndecoratedSmoothedCCK;
52 s32 UndecoratedSmoothedOFDM;
53 u64 PacketMap;
54 u8 ValidBit;
55 };
56
57 struct stainfo_stats {
58 u64 rx_mgnt_pkts;
59 u64 rx_beacon_pkts;
60 u64 rx_probereq_pkts;
61 u64 rx_probersp_pkts;
62 u64 rx_probersp_bm_pkts;
63 u64 rx_probersp_uo_pkts;
64 u64 rx_ctrl_pkts;
65 u64 rx_data_pkts;
66
67 u64 last_rx_mgnt_pkts;
68 u64 last_rx_beacon_pkts;
69 u64 last_rx_probereq_pkts;
70 u64 last_rx_probersp_pkts;
71 u64 last_rx_probersp_bm_pkts;
72 u64 last_rx_probersp_uo_pkts;
73 u64 last_rx_ctrl_pkts;
74 u64 last_rx_data_pkts;
75 u64 rx_bytes;
76 u64 rx_drops;
77 u64 tx_pkts;
78 u64 tx_bytes;
79 u64 tx_drops;
80 };
81
82 struct sta_info {
83 spinlock_t lock;
84 struct list_head list; /* free_sta_queue */
85 struct list_head hash_list; /* sta_hash */
86
87 struct sta_xmit_priv sta_xmitpriv;
88 struct sta_recv_priv sta_recvpriv;
89
90 struct __queue sleep_q;
91 unsigned int sleepq_len;
92
93 uint state;
94 uint aid;
95 uint mac_id;
96 uint qos_option;
97 u8 hwaddr[ETH_ALEN];
98
99 uint ieee8021x_blocked; /* 0: allowed, 1:blocked */
100 uint dot118021XPrivacy; /* aes, tkip... */
101 union Keytype dot11tkiptxmickey;
102 union Keytype dot11tkiprxmickey;
103 union Keytype dot118021x_UncstKey;
104 union pn48 dot11txpn; /* PN48 used for Unicast xmit. */
105 union pn48 dot11rxpn; /* PN48 used for Unicast recv. */
106 u8 bssrateset[16];
107 u32 bssratelen;
108 s32 rssi;
109 s32 signal_quality;
110
111 u8 cts2self;
112 u8 rtsen;
113
114 u8 raid;
115 u8 init_rate;
116 u32 ra_mask;
117 u8 wireless_mode; /* NETWORK_TYPE */
118 struct stainfo_stats sta_stats;
119
120 /* for A-MPDU TX, ADDBA timeout check */
121 struct timer_list addba_retry_timer;
122
123 /* for A-MPDU Rx reordering buffer control */
124 struct recv_reorder_ctrl recvreorder_ctrl[16];
125
126 /* for A-MPDU Tx */
127 /* unsigned char ampdu_txen_bitmap; */
128 u16 BA_starting_seqctrl[16];
129
130 struct ht_priv htpriv;
131
132 /* Notes: */
133 /* STA_Mode: */
134 /* curr_network(mlme_priv/security_priv/qos/ht) +
135 * sta_info: (STA & AP) CAP/INFO */
136 /* scan_q: AP CAP/INFO */
137
138 /* AP_Mode: */
139 /* curr_network(mlme_priv/security_priv/qos/ht) : AP CAP/INFO */
140 /* sta_info: (AP & STA) CAP/INFO */
141
142 struct list_head asoc_list;
143 #ifdef CONFIG_88EU_AP_MODE
144 struct list_head auth_list;
145
146 unsigned int expire_to;
147 unsigned int auth_seq;
148 unsigned int authalg;
149 unsigned char chg_txt[128];
150
151 u16 capability;
152 int flags;
153
154 int dot8021xalg;/* 0:disable, 1:psk, 2:802.1x */
155 int wpa_psk;/* 0:disable, bit(0): WPA, bit(1):WPA2 */
156 int wpa_group_cipher;
157 int wpa2_group_cipher;
158 int wpa_pairwise_cipher;
159 int wpa2_pairwise_cipher;
160
161 u8 bpairwise_key_installed;
162
163 u8 wpa_ie[32];
164
165 u8 nonerp_set;
166 u8 no_short_slot_time_set;
167 u8 no_short_preamble_set;
168 u8 no_ht_gf_set;
169 u8 no_ht_set;
170 u8 ht_20mhz_set;
171
172 unsigned int tx_ra_bitmap;
173 u8 qos_info;
174
175 u8 max_sp_len;
176 u8 uapsd_bk;/* BIT(0): Delivery enabled, BIT(1): Trigger enabled */
177 u8 uapsd_be;
178 u8 uapsd_vi;
179 u8 uapsd_vo;
180
181 u8 has_legacy_ac;
182 unsigned int sleepq_ac_len;
183 #endif /* CONFIG_88EU_AP_MODE */
184
185 u8 under_exist_checking;
186 u8 keep_alive_trycnt;
187
188 /* for DM */
189 struct rssi_sta rssi_stat;
190
191 /* ================ODM Relative Info======================= */
192 /* Please be careful, don't declare too much structure here.
193 * It will cost memory * STA support num. */
194 /* 2011/10/20 MH Add for ODM STA info. */
195 /* Driver Write */
196 u8 bValid; /* record the sta status link or not? */
197 u8 IOTPeer; /* Enum value. HT_IOT_PEER_E */
198 u8 rssi_level; /* for Refresh RA mask */
199 /* ODM Write */
200 /* 1 PHY_STATUS_INFO */
201 u8 RSSI_Path[4]; /* */
202 u8 RSSI_Ave;
203 u8 RXEVM[4];
204 u8 RXSNR[4];
205
206 /* ================ODM Relative Info======================= */
207 /* */
208
209 /* To store the sequence number of received management frame */
210 u16 RxMgmtFrameSeqNum;
211 };
212
213 #define sta_rx_pkts(sta) \
214 (sta->sta_stats.rx_mgnt_pkts \
215 + sta->sta_stats.rx_ctrl_pkts \
216 + sta->sta_stats.rx_data_pkts)
217
218 #define sta_last_rx_pkts(sta) \
219 (sta->sta_stats.last_rx_mgnt_pkts \
220 + sta->sta_stats.last_rx_ctrl_pkts \
221 + sta->sta_stats.last_rx_data_pkts)
222
223 #define sta_rx_data_pkts(sta) \
224 (sta->sta_stats.rx_data_pkts)
225
226 #define sta_last_rx_data_pkts(sta) \
227 (sta->sta_stats.last_rx_data_pkts)
228
229 #define sta_rx_mgnt_pkts(sta) \
230 (sta->sta_stats.rx_mgnt_pkts)
231
232 #define sta_last_rx_mgnt_pkts(sta) \
233 (sta->sta_stats.last_rx_mgnt_pkts)
234
235 #define sta_rx_beacon_pkts(sta) \
236 (sta->sta_stats.rx_beacon_pkts)
237
238 #define sta_last_rx_beacon_pkts(sta) \
239 (sta->sta_stats.last_rx_beacon_pkts)
240
241 #define sta_rx_probereq_pkts(sta) \
242 (sta->sta_stats.rx_probereq_pkts)
243
244 #define sta_last_rx_probereq_pkts(sta) \
245 (sta->sta_stats.last_rx_probereq_pkts)
246
247 #define sta_rx_probersp_pkts(sta) \
248 (sta->sta_stats.rx_probersp_pkts)
249
250 #define sta_last_rx_probersp_pkts(sta) \
251 (sta->sta_stats.last_rx_probersp_pkts)
252
253 #define sta_rx_probersp_bm_pkts(sta) \
254 (sta->sta_stats.rx_probersp_bm_pkts)
255
256 #define sta_last_rx_probersp_bm_pkts(sta) \
257 (sta->sta_stats.last_rx_probersp_bm_pkts)
258
259 #define sta_rx_probersp_uo_pkts(sta) \
260 (sta->sta_stats.rx_probersp_uo_pkts)
261
262 #define sta_last_rx_probersp_uo_pkts(sta) \
263 (sta->sta_stats.last_rx_probersp_uo_pkts)
264
265 #define sta_update_last_rx_pkts(sta) \
266 do { \
267 sta->sta_stats.last_rx_mgnt_pkts = sta->sta_stats.rx_mgnt_pkts; \
268 sta->sta_stats.last_rx_beacon_pkts = sta->sta_stats.rx_beacon_pkts; \
269 sta->sta_stats.last_rx_probereq_pkts = sta->sta_stats.rx_probereq_pkts; \
270 sta->sta_stats.last_rx_probersp_pkts = sta->sta_stats.rx_probersp_pkts; \
271 sta->sta_stats.last_rx_probersp_bm_pkts = sta->sta_stats.rx_probersp_bm_pkts; \
272 sta->sta_stats.last_rx_probersp_uo_pkts = sta->sta_stats.rx_probersp_uo_pkts; \
273 sta->sta_stats.last_rx_ctrl_pkts = sta->sta_stats.rx_ctrl_pkts; \
274 sta->sta_stats.last_rx_data_pkts = sta->sta_stats.rx_data_pkts; \
275 } while (0)
276
277 #define STA_RX_PKTS_ARG(sta) \
278 sta->sta_stats.rx_mgnt_pkts \
279 , sta->sta_stats.rx_ctrl_pkts \
280 , sta->sta_stats.rx_data_pkts
281
282 #define STA_LAST_RX_PKTS_ARG(sta) \
283 sta->sta_stats.last_rx_mgnt_pkts \
284 , sta->sta_stats.last_rx_ctrl_pkts \
285 , sta->sta_stats.last_rx_data_pkts
286
287 #define STA_RX_PKTS_DIFF_ARG(sta) \
288 sta->sta_stats.rx_mgnt_pkts - sta->sta_stats.last_rx_mgnt_pkts \
289 , sta->sta_stats.rx_ctrl_pkts - sta->sta_stats.last_rx_ctrl_pkts \
290 , sta->sta_stats.rx_data_pkts - sta->sta_stats.last_rx_data_pkts
291
292 #define STA_PKTS_FMT "(m:%llu, c:%llu, d:%llu)"
293
294 struct sta_priv {
295 u8 *pallocated_stainfo_buf;
296 u8 *pstainfo_buf;
297 struct __queue free_sta_queue;
298
299 spinlock_t sta_hash_lock;
300 struct list_head sta_hash[NUM_STA];
301 int asoc_sta_count;
302 struct __queue sleep_q;
303 struct __queue wakeup_q;
304
305 struct adapter *padapter;
306
307 spinlock_t asoc_list_lock;
308 struct list_head asoc_list;
309
310 #ifdef CONFIG_88EU_AP_MODE
311 struct list_head auth_list;
312 spinlock_t auth_list_lock;
313 u8 asoc_list_cnt;
314 u8 auth_list_cnt;
315
316 unsigned int auth_to; /* sec, time to expire in authenticating. */
317 unsigned int assoc_to; /* sec, time to expire before associating. */
318 unsigned int expire_to; /* sec , time to expire after associated. */
319
320 /* pointers to STA info; based on allocated AID or NULL if AID free
321 * AID is in the range 1-2007, so sta_aid[0] corresponders to AID 1
322 * and so on
323 */
324 struct sta_info *sta_aid[NUM_STA];
325
326 u16 sta_dz_bitmap;/* only support 15 stations, station aid bitmap
327 * for sleeping sta. */
328 u16 tim_bitmap; /* only support 15 stations, aid=0~15 mapping
329 * bit0~bit15 */
330
331 u16 max_num_sta;
332
333 struct wlan_acl_pool acl_list;
334 #endif
335
336 };
337
wifi_mac_hash(u8 * mac)338 static inline u32 wifi_mac_hash(u8 *mac)
339 {
340 u32 x;
341
342 x = mac[0];
343 x = (x << 2) ^ mac[1];
344 x = (x << 2) ^ mac[2];
345 x = (x << 2) ^ mac[3];
346 x = (x << 2) ^ mac[4];
347 x = (x << 2) ^ mac[5];
348
349 x ^= x >> 8;
350 x = x & (NUM_STA - 1);
351 return x;
352 }
353
354 extern u32 _rtw_init_sta_priv(struct sta_priv *pstapriv);
355 extern u32 _rtw_free_sta_priv(struct sta_priv *pstapriv);
356
357 #define stainfo_offset_valid(offset) (offset < NUM_STA && offset >= 0)
358 int rtw_stainfo_offset(struct sta_priv *stapriv, struct sta_info *sta);
359 struct sta_info *rtw_get_stainfo_by_offset(struct sta_priv *stapriv, int off);
360
361 extern struct sta_info *rtw_alloc_stainfo(struct sta_priv *stapriv, u8 *hwaddr);
362 extern u32 rtw_free_stainfo(struct adapter *adapt, struct sta_info *psta);
363 extern void rtw_free_all_stainfo(struct adapter *adapt);
364 extern struct sta_info *rtw_get_stainfo(struct sta_priv *stapriv, u8 *hwaddr);
365 extern u32 rtw_init_bcmc_stainfo(struct adapter *adapt);
366 extern struct sta_info *rtw_get_bcmc_stainfo(struct adapter *padapter);
367 extern u8 rtw_access_ctrl(struct adapter *padapter, u8 *mac_addr);
368
369 #endif /* _STA_INFO_H_ */
370