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 ******************************************************************************/
26#ifndef __STA_INFO_H_
27#define __STA_INFO_H_
28
29#include "osdep_service.h"
30#include "drv_types.h"
31#include "wifi.h"
32
33#define NUM_STA 32
34#define NUM_ACL 64
35
36
37/* if mode ==0, then the sta is allowed once the addr is hit.
38 * if mode ==1, then the sta is rejected once the addr is non-hit.
39 */
40struct wlan_acl_node {
41	struct list_head list;
42	u8       addr[ETH_ALEN];
43	u8       mode;
44};
45
46struct wlan_acl_pool {
47	struct wlan_acl_node aclnode[NUM_ACL];
48};
49
50struct	stainfo_stats {
51
52	uint	rx_pkts;
53	uint	rx_bytes;
54	u64	tx_pkts;
55	uint	tx_bytes;
56};
57
58struct sta_info {
59	spinlock_t lock;
60	struct list_head list; /*free_sta_queue*/
61	struct list_head hash_list; /*sta_hash*/
62	struct sta_xmit_priv sta_xmitpriv;
63	struct sta_recv_priv sta_recvpriv;
64	uint state;
65	uint aid;
66	uint	mac_id;
67	uint	qos_option;
68	u8	hwaddr[ETH_ALEN];
69	uint	ieee8021x_blocked;	/*0: allowed, 1:blocked */
70	uint	XPrivacy; /*aes, tkip...*/
71	union Keytype	tkiptxmickey;
72	union Keytype	tkiprxmickey;
73	union Keytype	x_UncstKey;
74	union pn48		txpn;	/* PN48 used for Unicast xmit.*/
75	union pn48		rxpn;	/* PN48 used for Unicast recv.*/
76	u8	bssrateset[16];
77	uint	bssratelen;
78	s32  rssi;
79	s32	signal_quality;
80	struct stainfo_stats sta_stats;
81	/*for A-MPDU Rx reordering buffer control */
82	struct recv_reorder_ctrl recvreorder_ctrl[16];
83	struct ht_priv	htpriv;
84	/* Notes:
85	 * STA_Mode:
86	 * curr_network(mlme_priv/security_priv/qos/ht)
87	 *   + sta_info: (STA & AP) CAP/INFO
88	 * scan_q: AP CAP/INFO
89	 * AP_Mode:
90	 * curr_network(mlme_priv/security_priv/qos/ht) : AP CAP/INFO
91	 * sta_info: (AP & STA) CAP/INFO
92	 */
93	struct list_head asoc_list;
94	struct list_head auth_list;
95	unsigned int expire_to;
96	unsigned int auth_seq;
97	unsigned int authalg;
98	unsigned char chg_txt[128];
99	unsigned int tx_ra_bitmap;
100};
101
102struct	sta_priv {
103	u8 *pallocated_stainfo_buf;
104	u8 *pstainfo_buf;
105	struct  __queue	free_sta_queue;
106	spinlock_t sta_hash_lock;
107	struct list_head sta_hash[NUM_STA];
108	int asoc_sta_count;
109	struct  __queue sleep_q;
110	struct  __queue wakeup_q;
111	struct _adapter *padapter;
112	struct list_head asoc_list;
113	struct list_head auth_list;
114	unsigned int auth_to;  /* sec, time to expire in authenticating. */
115	unsigned int assoc_to; /* sec, time to expire before associating. */
116	unsigned int expire_to; /* sec , time to expire after associated. */
117};
118
119static inline u32 wifi_mac_hash(u8 *mac)
120{
121	u32 x;
122
123	x = mac[0];
124	x = (x << 2) ^ mac[1];
125	x = (x << 2) ^ mac[2];
126	x = (x << 2) ^ mac[3];
127	x = (x << 2) ^ mac[4];
128	x = (x << 2) ^ mac[5];
129	x ^= x >> 8;
130	x  = x & (NUM_STA - 1);
131	return x;
132}
133
134u32 _r8712_init_sta_priv(struct sta_priv *pstapriv);
135u32 _r8712_free_sta_priv(struct sta_priv *pstapriv);
136struct sta_info *r8712_alloc_stainfo(struct sta_priv *pstapriv,
137				     u8 *hwaddr);
138void r8712_free_stainfo(struct _adapter *padapter, struct sta_info *psta);
139void r8712_free_all_stainfo(struct _adapter *padapter);
140struct sta_info *r8712_get_stainfo(struct sta_priv *pstapriv, u8 *hwaddr);
141void r8712_init_bcmc_stainfo(struct _adapter *padapter);
142struct sta_info *r8712_get_bcmc_stainfo(struct _adapter *padapter);
143u8 r8712_access_ctrl(struct wlan_acl_pool *pacl_list, u8 *mac_addr);
144
145#endif /* _STA_INFO_H_ */
146
147