1 /* SPDX-License-Identifier: GPL-2.0 */
2 /******************************************************************************
3  *
4  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
5  *
6  ******************************************************************************/
7 #ifndef __STA_INFO_H_
8 #define __STA_INFO_H_
9 
10 
11 #define IBSS_START_MAC_ID	2
12 #define NUM_STA 32
13 #define NUM_ACL 16
14 
15 
16 /* if mode == 0, then the sta is allowed once the addr is hit. */
17 /* if mode == 1, then the sta is rejected once the addr is non-hit. */
18 struct rtw_wlan_acl_node {
19 	struct list_head list;
20 	u8		 addr[ETH_ALEN];
21 	u8		 valid;
22 };
23 
24 /* mode = 0, disable */
25 /* mode = 1, accept unless in deny list */
26 /* mode =2, deny unless in accept list */
27 struct wlan_acl_pool {
28 	int mode;
29 	int num;
30 	struct rtw_wlan_acl_node aclnode[NUM_ACL];
31 	struct __queue	acl_node_q;
32 };
33 
34 struct rssi_sta {
35 	s32	UndecoratedSmoothedPWDB;
36 	s32	UndecoratedSmoothedCCK;
37 	s32	UndecoratedSmoothedOFDM;
38 	u64	PacketMap;
39 	u8 ValidBit;
40 };
41 
42 struct	stainfo_stats	{
43 
44 	u64 rx_mgnt_pkts;
45 		u64 rx_beacon_pkts;
46 		u64 rx_probereq_pkts;
47 		u64 rx_probersp_pkts;
48 		u64 rx_probersp_bm_pkts;
49 		u64 rx_probersp_uo_pkts;
50 	u64 rx_ctrl_pkts;
51 	u64 rx_data_pkts;
52 
53 	u64	last_rx_mgnt_pkts;
54 		u64 last_rx_beacon_pkts;
55 		u64 last_rx_probereq_pkts;
56 		u64 last_rx_probersp_pkts;
57 		u64 last_rx_probersp_bm_pkts;
58 		u64 last_rx_probersp_uo_pkts;
59 	u64	last_rx_ctrl_pkts;
60 	u64	last_rx_data_pkts;
61 
62 	u64	rx_bytes;
63 	u64	rx_drops;
64 
65 	u64	tx_pkts;
66 	u64	tx_bytes;
67 	u64  tx_drops;
68 };
69 
70 struct sta_info {
71 
72 	spinlock_t	lock;
73 	struct list_head	list; /* free_sta_queue */
74 	struct list_head	hash_list; /* sta_hash */
75 	struct adapter *padapter;
76 
77 	struct sta_xmit_priv sta_xmitpriv;
78 	struct sta_recv_priv sta_recvpriv;
79 
80 	struct __queue sleep_q;
81 	unsigned int sleepq_len;
82 
83 	uint state;
84 	uint aid;
85 	uint mac_id;
86 	uint qos_option;
87 	u8 hwaddr[ETH_ALEN];
88 
89 	uint	ieee8021x_blocked;	/* 0: allowed, 1:blocked */
90 	uint	dot118021XPrivacy; /* aes, tkip... */
91 	union Keytype	dot11tkiptxmickey;
92 	union Keytype	dot11tkiprxmickey;
93 	union Keytype	dot118021x_UncstKey;
94 	union pn48		dot11txpn;			/*  PN48 used for Unicast xmit */
95 	union pn48		dot11wtxpn;			/*  PN48 used for Unicast mgmt xmit. */
96 	union pn48		dot11rxpn;			/*  PN48 used for Unicast recv. */
97 
98 
99 	u8 bssrateset[16];
100 	u32 bssratelen;
101 	s32  rssi;
102 	s32	signal_quality;
103 
104 	u8 cts2self;
105 	u8 rtsen;
106 
107 	u8 raid;
108 	u8 init_rate;
109 	u32 ra_mask;
110 	u8 wireless_mode;	/*  NETWORK_TYPE */
111 	u8 bw_mode;
112 
113 	u8 ldpc;
114 	u8 stbc;
115 
116 	struct stainfo_stats sta_stats;
117 
118 	/* for A-MPDU TX, ADDBA timeout check */
119 	struct timer_list addba_retry_timer;
120 
121 	/* for A-MPDU Rx reordering buffer control */
122 	struct recv_reorder_ctrl recvreorder_ctrl[16];
123 
124 	/* for A-MPDU Tx */
125 	/* unsigned char 	ampdu_txen_bitmap; */
126 	u16 BA_starting_seqctrl[16];
127 
128 
129 	struct ht_priv htpriv;
130 
131 	/* Notes: */
132 	/* STA_Mode: */
133 	/* curr_network(mlme_priv/security_priv/qos/ht) + sta_info: (STA & AP) CAP/INFO */
134 	/* scan_q: AP CAP/INFO */
135 
136 	/* AP_Mode: */
137 	/* curr_network(mlme_priv/security_priv/qos/ht) : AP CAP/INFO */
138 	/* sta_info: (AP & STA) CAP/INFO */
139 
140 	struct list_head asoc_list;
141 	struct list_head auth_list;
142 
143 	unsigned int expire_to;
144 	unsigned int auth_seq;
145 	unsigned int authalg;
146 	unsigned char chg_txt[128];
147 
148 	u16 capability;
149 	int flags;
150 
151 	int dot8021xalg;/* 0:disable, 1:psk, 2:802.1x */
152 	int wpa_psk;/* 0:disable, bit(0): WPA, bit(1):WPA2 */
153 	int wpa_group_cipher;
154 	int wpa2_group_cipher;
155 	int wpa_pairwise_cipher;
156 	int wpa2_pairwise_cipher;
157 
158 	u8 bpairwise_key_installed;
159 
160 	u8 wpa_ie[32];
161 
162 	u8 nonerp_set;
163 	u8 no_short_slot_time_set;
164 	u8 no_short_preamble_set;
165 	u8 no_ht_gf_set;
166 	u8 no_ht_set;
167 	u8 ht_20mhz_set;
168 
169 	unsigned int tx_ra_bitmap;
170 	u8 qos_info;
171 
172 	u8 max_sp_len;
173 	u8 uapsd_bk;/* BIT(0): Delivery enabled, BIT(1): Trigger enabled */
174 	u8 uapsd_be;
175 	u8 uapsd_vi;
176 	u8 uapsd_vo;
177 
178 	u8 has_legacy_ac;
179 	unsigned int sleepq_ac_len;
180 
181 	u8 under_exist_checking;
182 
183 	u8 keep_alive_trycnt;
184 
185 	u8 *passoc_req;
186 	u32 assoc_req_len;
187 
188 	/* for DM */
189 	struct rssi_sta	 rssi_stat;
190 
191 	/* ODM_STA_INFO_T */
192 	/*  ================ODM Relative Info ======================= */
193 	/*  Please be care, dont declare too much structure here. It will cost memory * STA support num. */
194 	/*  */
195 	/*  */
196 	/*  2011/10/20 MH Add for ODM STA info. */
197 	/*  */
198 	/*  Driver Write */
199 	u8 bValid;				/*  record the sta status link or not? */
200 	u8 IOTPeer;			/*  Enum value.	HT_IOT_PEER_E */
201 	/*  ODM Write */
202 	/* 1 PHY_STATUS_INFO */
203 	u8 RSSI_Path[4];		/*  */
204 	u8 RSSI_Ave;
205 	u8 RXEVM[4];
206 	u8 RXSNR[4];
207 
208 	u8 rssi_level;			/* for Refresh RA mask */
209 	/*  ODM Write */
210 	/* 1 TX_INFO (may changed by IC) */
211 	/* TX_INFO_T		pTxInfo;		 Define in IC folder. Move lower layer. */
212 	/*  */
213 	/*  ================ODM Relative Info ======================= */
214 	/*  */
215 
216 	/* To store the sequence number of received management frame */
217 	u16 RxMgmtFrameSeqNum;
218 };
219 
220 #define sta_rx_pkts(sta) \
221 	(sta->sta_stats.rx_mgnt_pkts \
222 	+ sta->sta_stats.rx_ctrl_pkts \
223 	+ sta->sta_stats.rx_data_pkts)
224 
225 #define sta_last_rx_pkts(sta) \
226 	(sta->sta_stats.last_rx_mgnt_pkts \
227 	+ sta->sta_stats.last_rx_ctrl_pkts \
228 	+ sta->sta_stats.last_rx_data_pkts)
229 
230 #define sta_rx_data_pkts(sta) \
231 	(sta->sta_stats.rx_data_pkts)
232 
233 #define sta_last_rx_data_pkts(sta) \
234 	(sta->sta_stats.last_rx_data_pkts)
235 
236 #define sta_rx_mgnt_pkts(sta) \
237 	(sta->sta_stats.rx_mgnt_pkts)
238 
239 #define sta_last_rx_mgnt_pkts(sta) \
240 	(sta->sta_stats.last_rx_mgnt_pkts)
241 
242 #define sta_rx_beacon_pkts(sta) \
243 	(sta->sta_stats.rx_beacon_pkts)
244 
245 #define sta_last_rx_beacon_pkts(sta) \
246 	(sta->sta_stats.last_rx_beacon_pkts)
247 
248 #define sta_rx_probereq_pkts(sta) \
249 	(sta->sta_stats.rx_probereq_pkts)
250 
251 #define sta_last_rx_probereq_pkts(sta) \
252 	(sta->sta_stats.last_rx_probereq_pkts)
253 
254 #define sta_rx_probersp_pkts(sta) \
255 	(sta->sta_stats.rx_probersp_pkts)
256 
257 #define sta_last_rx_probersp_pkts(sta) \
258 	(sta->sta_stats.last_rx_probersp_pkts)
259 
260 #define sta_rx_probersp_bm_pkts(sta) \
261 	(sta->sta_stats.rx_probersp_bm_pkts)
262 
263 #define sta_last_rx_probersp_bm_pkts(sta) \
264 	(sta->sta_stats.last_rx_probersp_bm_pkts)
265 
266 #define sta_rx_probersp_uo_pkts(sta) \
267 	(sta->sta_stats.rx_probersp_uo_pkts)
268 
269 #define sta_last_rx_probersp_uo_pkts(sta) \
270 	(sta->sta_stats.last_rx_probersp_uo_pkts)
271 
272 #define sta_update_last_rx_pkts(sta) \
273 	do { \
274 		sta->sta_stats.last_rx_mgnt_pkts = sta->sta_stats.rx_mgnt_pkts; \
275 		sta->sta_stats.last_rx_beacon_pkts = sta->sta_stats.rx_beacon_pkts; \
276 		sta->sta_stats.last_rx_probereq_pkts = sta->sta_stats.rx_probereq_pkts; \
277 		sta->sta_stats.last_rx_probersp_pkts = sta->sta_stats.rx_probersp_pkts; \
278 		sta->sta_stats.last_rx_probersp_bm_pkts = sta->sta_stats.rx_probersp_bm_pkts; \
279 		sta->sta_stats.last_rx_probersp_uo_pkts = sta->sta_stats.rx_probersp_uo_pkts; \
280 		sta->sta_stats.last_rx_ctrl_pkts = sta->sta_stats.rx_ctrl_pkts; \
281 		sta->sta_stats.last_rx_data_pkts = sta->sta_stats.rx_data_pkts; \
282 	} while (0)
283 
284 #define STA_RX_PKTS_ARG(sta) \
285 	sta->sta_stats.rx_mgnt_pkts \
286 	, sta->sta_stats.rx_ctrl_pkts \
287 	, sta->sta_stats.rx_data_pkts
288 
289 #define STA_LAST_RX_PKTS_ARG(sta) \
290 	sta->sta_stats.last_rx_mgnt_pkts \
291 	, sta->sta_stats.last_rx_ctrl_pkts \
292 	, sta->sta_stats.last_rx_data_pkts
293 
294 #define STA_RX_PKTS_DIFF_ARG(sta) \
295 	sta->sta_stats.rx_mgnt_pkts - sta->sta_stats.last_rx_mgnt_pkts \
296 	, sta->sta_stats.rx_ctrl_pkts - sta->sta_stats.last_rx_ctrl_pkts \
297 	, sta->sta_stats.rx_data_pkts - sta->sta_stats.last_rx_data_pkts
298 
299 #define STA_PKTS_FMT "(m:%llu, c:%llu, d:%llu)"
300 
301 struct	sta_priv {
302 
303 	u8 *pallocated_stainfo_buf;
304 	u8 *pstainfo_buf;
305 	struct __queue	free_sta_queue;
306 
307 	spinlock_t sta_hash_lock;
308 	struct list_head   sta_hash[NUM_STA];
309 	int asoc_sta_count;
310 	struct __queue sleep_q;
311 	struct __queue wakeup_q;
312 
313 	struct adapter *padapter;
314 
315 	struct list_head asoc_list;
316 	struct list_head auth_list;
317 	spinlock_t asoc_list_lock;
318 	spinlock_t auth_list_lock;
319 	u8 asoc_list_cnt;
320 	u8 auth_list_cnt;
321 
322 	unsigned int auth_to;  /* sec, time to expire in authenticating. */
323 	unsigned int assoc_to; /* sec, time to expire before associating. */
324 	unsigned int expire_to; /* sec , time to expire after associated. */
325 
326 	/* pointers to STA info; based on allocated AID or NULL if AID free
327 	 * AID is in the range 1-2007, so sta_aid[0] corresponders to AID 1
328 	 * and so on
329 	 */
330 	struct sta_info *sta_aid[NUM_STA];
331 
332 	u16 sta_dz_bitmap;/* only support for 15 stations, aid bitmap for sleeping stations. */
333 	u16 tim_bitmap;/* only support 15 stations, aid = 0~15 mapping bit0~bit15 */
334 
335 	u16 max_num_sta;
336 
337 	struct wlan_acl_pool acl_list;
338 };
339 
340 
wifi_mac_hash(u8 * mac)341 static inline u32 wifi_mac_hash(u8 *mac)
342 {
343 	u32 x;
344 
345 	x = mac[0];
346 	x = (x << 2) ^ mac[1];
347 	x = (x << 2) ^ mac[2];
348 	x = (x << 2) ^ mac[3];
349 	x = (x << 2) ^ mac[4];
350 	x = (x << 2) ^ mac[5];
351 
352 	x ^= x >> 8;
353 	x  = x & (NUM_STA - 1);
354 
355 	return x;
356 }
357 
358 
359 extern u32 _rtw_init_sta_priv(struct sta_priv *pstapriv);
360 extern u32 _rtw_free_sta_priv(struct sta_priv *pstapriv);
361 
362 #define stainfo_offset_valid(offset) (offset < NUM_STA && offset >= 0)
363 int rtw_stainfo_offset(struct sta_priv *stapriv, struct sta_info *sta);
364 struct sta_info *rtw_get_stainfo_by_offset(struct sta_priv *stapriv, int offset);
365 
366 extern struct sta_info *rtw_alloc_stainfo(struct	sta_priv *pstapriv, u8 *hwaddr);
367 extern u32 rtw_free_stainfo(struct adapter *padapter, struct sta_info *psta);
368 extern void rtw_free_all_stainfo(struct adapter *padapter);
369 extern struct sta_info *rtw_get_stainfo(struct sta_priv *pstapriv, u8 *hwaddr);
370 extern u32 rtw_init_bcmc_stainfo(struct adapter *padapter);
371 extern struct sta_info *rtw_get_bcmc_stainfo(struct adapter *padapter);
372 extern u8 rtw_access_ctrl(struct adapter *padapter, u8 *mac_addr);
373 
374 #endif /* _STA_INFO_H_ */
375