1 /*
2  * IEEE 802.11v WNM related functions and structures
3  * Copyright (c) 2011-2012, Qualcomm Atheros, Inc.
4  *
5  * This software may be distributed under the terms of the BSD license.
6  * See README for more details.
7  */
8 
9 #ifndef WNM_STA_H
10 #define WNM_STA_H
11 
12 struct measurement_pilot {
13 	u8 measurement_pilot;
14 	u8 subelem_len;
15 	u8 subelems[255];
16 };
17 
18 struct multiple_bssid {
19 	u8 max_bssid_indicator;
20 	u8 subelem_len;
21 	u8 subelems[255];
22 };
23 
24 struct neighbor_report {
25 	u8 bssid[ETH_ALEN];
26 	u32 bssid_info;
27 	u8 regulatory_class;
28 	u8 channel_number;
29 	u8 phy_type;
30 	u8 preference; /* valid if preference_present=1 */
31 	u16 tsf_offset; /* valid if tsf_present=1 */
32 	u16 beacon_int; /* valid if tsf_present=1 */
33 	char country[2]; /* valid if country_present=1 */
34 	u8 rm_capab[5]; /* valid if rm_capab_present=1 */
35 	u16 bearing; /* valid if bearing_present=1 */
36 	u16 rel_height; /* valid if bearing_present=1 */
37 	u32 distance; /* valid if bearing_present=1 */
38 	u64 bss_term_tsf; /* valid if bss_term_present=1 */
39 	u16 bss_term_dur; /* valid if bss_term_present=1 */
40 	unsigned int disassoc_imminent:1;
41 	unsigned int preference_present:1;
42 	unsigned int tsf_present:1;
43 	unsigned int country_present:1;
44 	unsigned int rm_capab_present:1;
45 	unsigned int bearing_present:1;
46 	unsigned int bss_term_present:1;
47 #ifdef CONFIG_MBO
48 	unsigned int drv_mbo_reject:1;
49 #endif /* CONFIG_MBO */
50 	struct measurement_pilot *meas_pilot;
51 	struct multiple_bssid *mul_bssid;
52 	int freq;
53 };
54 
55 
56 int ieee802_11_send_wnmsleep_req(struct wpa_supplicant *wpa_s,
57 				 u8 action, u16 intval, struct wpabuf *tfs_req);
58 
59 void ieee802_11_rx_wnm_action(struct wpa_supplicant *wpa_s,
60 			      const struct ieee80211_mgmt *mgmt, size_t len);
61 
62 int wnm_send_bss_transition_mgmt_query(struct wpa_supplicant *wpa_s,
63 				       u8 query_reason,
64 				       const char *btm_candidates,
65 				       int cand_list);
66 
67 int wnm_send_coloc_intf_report(struct wpa_supplicant *wpa_s, u8 dialog_token,
68 			       const struct wpabuf *elems);
69 void wnm_set_coloc_intf_elems(struct wpa_supplicant *wpa_s,
70 			      struct wpabuf *elems);
71 
72 int wnm_btm_resp_tx_status(struct wpa_supplicant *wpa_s, const u8 *data,
73 			   size_t data_len);
74 
75 #ifdef CONFIG_WNM
76 
77 int wnm_scan_process(struct wpa_supplicant *wpa_s, bool pre_scan_check);
78 void wnm_clear_coloc_intf_reporting(struct wpa_supplicant *wpa_s);
79 
80 bool wnm_is_bss_excluded(struct wpa_supplicant *wpa_s, struct wpa_bss *bss);
81 
82 void wnm_btm_reset(struct wpa_supplicant *wpa_s);
83 
wnm_active_bss_trans_mgmt(struct wpa_supplicant * wpa_s)84 static inline bool wnm_active_bss_trans_mgmt(struct wpa_supplicant *wpa_s)
85 {
86 	return !!wpa_s->wnm_dialog_token;
87 }
88 
89 #else /* CONFIG_WNM */
90 
wnm_scan_process(struct wpa_supplicant * wpa_s,int reply_on_fail)91 static inline int wnm_scan_process(struct wpa_supplicant *wpa_s,
92 				   int reply_on_fail)
93 {
94 	return 0;
95 }
96 
wnm_clear_coloc_intf_reporting(struct wpa_supplicant * wpa_s)97 static inline void wnm_clear_coloc_intf_reporting(struct wpa_supplicant *wpa_s)
98 {
99 }
100 
101 static inline bool
wnm_is_bss_excluded(struct wpa_supplicant * wpa_s,struct wpa_bss * bss)102 wnm_is_bss_excluded(struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
103 {
104 	return false;
105 }
106 
wnm_btm_reset(struct wpa_supplicant * wpa_s)107 static inline void wnm_btm_reset(struct wpa_supplicant *wpa_s)
108 {
109 }
110 
wnm_active_bss_trans_mgmt(struct wpa_supplicant * wpa_s)111 static inline bool wnm_active_bss_trans_mgmt(struct wpa_supplicant *wpa_s)
112 {
113 	return false;
114 }
115 
116 #endif /* CONFIG_WNM */
117 
118 #endif /* WNM_STA_H */
119