xref: /linux/drivers/staging/rtl8712/sta_info.h (revision b83deaa741558babf4b8d51d34f6637ccfff1b26)
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 
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