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      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 	unsigned int acceptable:1;
     48 #ifdef CONFIG_MBO
     49 	unsigned int is_first:1;
     50 #endif /* CONFIG_MBO */
     51 	struct measurement_pilot *meas_pilot;
     52 	struct multiple_bssid *mul_bssid;
     53 	int freq;
     54 };
     55 
     56 
     57 int ieee802_11_send_wnmsleep_req(struct wpa_supplicant *wpa_s,
     58 				 u8 action, u16 intval, struct wpabuf *tfs_req);
     59 
     60 void ieee802_11_rx_wnm_action(struct wpa_supplicant *wpa_s,
     61 			      const struct ieee80211_mgmt *mgmt, size_t len);
     62 
     63 int wnm_send_bss_transition_mgmt_query(struct wpa_supplicant *wpa_s,
     64 				       u8 query_reason,
     65 				       const char *btm_candidates,
     66 				       int cand_list);
     67 
     68 int wnm_send_coloc_intf_report(struct wpa_supplicant *wpa_s, u8 dialog_token,
     69 			       const struct wpabuf *elems);
     70 void wnm_set_coloc_intf_elems(struct wpa_supplicant *wpa_s,
     71 			      struct wpabuf *elems);
     72 
     73 int wnm_btm_resp_tx_status(struct wpa_supplicant *wpa_s, const u8 *data,
     74 			   size_t data_len);
     75 
     76 #ifdef CONFIG_WNM
     77 
     78 int wnm_scan_process(struct wpa_supplicant *wpa_s, bool pre_scan_check);
     79 void wnm_clear_coloc_intf_reporting(struct wpa_supplicant *wpa_s);
     80 
     81 bool wnm_is_bss_excluded(struct wpa_supplicant *wpa_s, struct wpa_bss *bss);
     82 
     83 void wnm_btm_reset(struct wpa_supplicant *wpa_s);
     84 
     85 static inline bool wnm_active_bss_trans_mgmt(struct wpa_supplicant *wpa_s)
     86 {
     87 	return !!wpa_s->wnm_dialog_token;
     88 }
     89 
     90 #else /* CONFIG_WNM */
     91 
     92 static inline int wnm_scan_process(struct wpa_supplicant *wpa_s,
     93 				   int reply_on_fail)
     94 {
     95 	return 0;
     96 }
     97 
     98 static inline void wnm_clear_coloc_intf_reporting(struct wpa_supplicant *wpa_s)
     99 {
    100 }
    101 
    102 static inline bool
    103 wnm_is_bss_excluded(struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
    104 {
    105 	return false;
    106 }
    107 
    108 static inline void wnm_btm_reset(struct wpa_supplicant *wpa_s)
    109 {
    110 }
    111 
    112 static inline bool wnm_active_bss_trans_mgmt(struct wpa_supplicant *wpa_s)
    113 {
    114 	return false;
    115 }
    116 
    117 #endif /* CONFIG_WNM */
    118 
    119 #endif /* WNM_STA_H */
    120