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