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