1 /* SPDX-License-Identifier: GPL-2.0 */
2 /******************************************************************************
3 *
4 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
5 *
6 * Modifications for inclusion into the Linux staging tree are
7 * Copyright(c) 2010 Larry Finger. All rights reserved.
8 *
9 * Contact information:
10 * WLAN FAE <wlanfae@realtek.com>
11 * Larry Finger <Larry.Finger@lwfinger.net>
12 *
13 ******************************************************************************/
14 #ifndef __STA_INFO_H_
15 #define __STA_INFO_H_
16
17 #include "osdep_service.h"
18 #include "drv_types.h"
19 #include "wifi.h"
20
21 #define NUM_STA 32
22 #define NUM_ACL 64
23
24
25 /* if mode ==0, then the sta is allowed once the addr is hit.
26 * if mode ==1, then the sta is rejected once the addr is non-hit.
27 */
28 struct wlan_acl_node {
29 struct list_head list;
30 u8 addr[ETH_ALEN];
31 u8 mode;
32 };
33
34 struct wlan_acl_pool {
35 struct wlan_acl_node aclnode[NUM_ACL];
36 };
37
38 struct stainfo_stats {
39 uint rx_pkts;
40 uint rx_bytes;
41 u64 tx_pkts;
42 uint tx_bytes;
43 };
44
45 struct sta_info {
46 spinlock_t lock;
47 struct list_head list; /*free_sta_queue*/
48 struct list_head hash_list; /*sta_hash*/
49 struct sta_xmit_priv sta_xmitpriv;
50 struct sta_recv_priv sta_recvpriv;
51 uint state;
52 uint aid;
53 uint mac_id;
54 uint qos_option;
55 u8 hwaddr[ETH_ALEN];
56 uint ieee8021x_blocked; /*0: allowed, 1:blocked */
57 uint XPrivacy; /*aes, tkip...*/
58 union Keytype tkiptxmickey;
59 union Keytype tkiprxmickey;
60 union Keytype x_UncstKey;
61 union pn48 txpn; /* PN48 used for Unicast xmit.*/
62 union pn48 rxpn; /* PN48 used for Unicast recv.*/
63 u8 bssrateset[16];
64 uint bssratelen;
65 s32 rssi;
66 s32 signal_quality;
67 struct stainfo_stats sta_stats;
68 /*for A-MPDU Rx reordering buffer control */
69 struct recv_reorder_ctrl recvreorder_ctrl[16];
70 struct ht_priv htpriv;
71 /* Notes:
72 * STA_Mode:
73 * curr_network(mlme_priv/security_priv/qos/ht)
74 * + sta_info: (STA & AP) CAP/INFO
75 * scan_q: AP CAP/INFO
76 * AP_Mode:
77 * curr_network(mlme_priv/security_priv/qos/ht) : AP CAP/INFO
78 * sta_info: (AP & STA) CAP/INFO
79 */
80 struct list_head asoc_list;
81 struct list_head auth_list;
82 unsigned int expire_to;
83 unsigned int auth_seq;
84 unsigned int authalg;
85 unsigned char chg_txt[128];
86 unsigned int tx_ra_bitmap;
87 };
88
89 struct sta_priv {
90 u8 *pallocated_stainfo_buf;
91 u8 *pstainfo_buf;
92 struct __queue free_sta_queue;
93 spinlock_t sta_hash_lock;
94 struct list_head sta_hash[NUM_STA];
95 int asoc_sta_count;
96 struct __queue sleep_q;
97 struct __queue wakeup_q;
98 struct _adapter *padapter;
99 struct list_head asoc_list;
100 struct list_head auth_list;
101 unsigned int auth_to; /* sec, time to expire in authenticating. */
102 unsigned int assoc_to; /* sec, time to expire before associating. */
103 unsigned int expire_to; /* sec , time to expire after associated. */
104 };
105
wifi_mac_hash(u8 * mac)106 static inline u32 wifi_mac_hash(u8 *mac)
107 {
108 u32 x;
109
110 x = mac[0];
111 x = (x << 2) ^ mac[1];
112 x = (x << 2) ^ mac[2];
113 x = (x << 2) ^ mac[3];
114 x = (x << 2) ^ mac[4];
115 x = (x << 2) ^ mac[5];
116 x ^= x >> 8;
117 x = x & (NUM_STA - 1);
118 return x;
119 }
120
121 int _r8712_init_sta_priv(struct sta_priv *pstapriv);
122 void _r8712_free_sta_priv(struct sta_priv *pstapriv);
123 struct sta_info *r8712_alloc_stainfo(struct sta_priv *pstapriv,
124 u8 *hwaddr);
125 void r8712_free_stainfo(struct _adapter *padapter, struct sta_info *psta);
126 void r8712_free_all_stainfo(struct _adapter *padapter);
127 struct sta_info *r8712_get_stainfo(struct sta_priv *pstapriv, u8 *hwaddr);
128 void r8712_init_bcmc_stainfo(struct _adapter *padapter);
129 struct sta_info *r8712_get_bcmc_stainfo(struct _adapter *padapter);
130 u8 r8712_access_ctrl(struct wlan_acl_pool *pacl_list, u8 *mac_addr);
131
132 #endif /* _STA_INFO_H_ */
133
134