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. */
33struct 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 */
42struct 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
49struct rssi_sta {
50	s32	UndecoratedSmoothedPWDB;
51	s32	UndecoratedSmoothedCCK;
52	s32	UndecoratedSmoothedOFDM;
53	u64	PacketMap;
54	u8	ValidBit;
55};
56
57struct	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
82struct 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) \
266do { \
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
294struct	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
338static 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
354extern u32	_rtw_init_sta_priv(struct sta_priv *pstapriv);
355extern u32	_rtw_free_sta_priv(struct sta_priv *pstapriv);
356
357#define stainfo_offset_valid(offset) (offset < NUM_STA && offset >= 0)
358int rtw_stainfo_offset(struct sta_priv *stapriv, struct sta_info *sta);
359struct sta_info *rtw_get_stainfo_by_offset(struct sta_priv *stapriv, int off);
360
361extern struct sta_info *rtw_alloc_stainfo(struct sta_priv *stapriv, u8 *hwaddr);
362extern u32	rtw_free_stainfo(struct adapter *adapt, struct sta_info *psta);
363extern void rtw_free_all_stainfo(struct adapter *adapt);
364extern struct sta_info *rtw_get_stainfo(struct sta_priv *stapriv, u8 *hwaddr);
365extern u32 rtw_init_bcmc_stainfo(struct adapter *adapt);
366extern struct sta_info *rtw_get_bcmc_stainfo(struct adapter *padapter);
367extern u8 rtw_access_ctrl(struct adapter *padapter, u8 *mac_addr);
368
369#endif /* _STA_INFO_H_ */
370