text: /*
   * wpa_supplicant - P2P
   * Copyright (c) 2009-2010, Atheros Communications
   *
   * This software may be distributed under the terms of the BSD license.
   * See README for more details.
   */
  
  #ifndef P2P_SUPPLICANT_H
  #define P2P_SUPPLICANT_H
  
  enum p2p_wps_method;
  struct p2p_go_neg_results;
  enum p2p_send_action_result;
  struct p2p_peer_info;
  struct p2p_channels;
  struct wps_event_fail;
  struct p2ps_provision;
  
  int wpas_p2p_add_p2pdev_interface(struct wpa_supplicant *wpa_s,
  				  const char *conf_p2p_dev);
  struct wpa_supplicant * wpas_get_p2p_go_iface(struct wpa_supplicant *wpa_s,
  					      const u8 *ssid, size_t ssid_len);
  struct wpa_supplicant * wpas_get_p2p_client_iface(struct wpa_supplicant *wpa_s,
  						  const u8 *peer_dev_addr);
  int wpas_p2p_connect(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
  		     const char *pin, enum p2p_wps_method wps_method,
  		     int persistent_group, int auto_join, int join,
  		     int auth, int go_intent, int freq, int persistent_id,
  		     int pd, int ht40, int vht);
  int wpas_p2p_handle_frequency_conflicts(struct wpa_supplicant *wpa_s,
                                            int freq, struct wpa_ssid *ssid);
  int wpas_p2p_group_add(struct wpa_supplicant *wpa_s, int persistent_group,
  		       int freq, int ht40, int vht);
  int wpas_p2p_group_add_persistent(struct wpa_supplicant *wpa_s,
  				  struct wpa_ssid *ssid, int addr_allocated,
  				  int force_freq, int neg_freq, int ht40,
  				  int vht, const struct p2p_channels *channels,
  				  int connection_timeout);
  struct p2p_group * wpas_p2p_group_init(struct wpa_supplicant *wpa_s,
  				       struct wpa_ssid *ssid);
  enum wpas_p2p_prov_disc_use {
  	WPAS_P2P_PD_FOR_GO_NEG,
  	WPAS_P2P_PD_FOR_JOIN,
  	WPAS_P2P_PD_AUTO,
  	WPAS_P2P_PD_FOR_ASP
  };
  int wpas_p2p_prov_disc(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
  		       const char *config_method,
  		       enum wpas_p2p_prov_disc_use use,
  		       struct p2ps_provision *p2ps_prov);
  void wpas_send_action_tx_status(struct wpa_supplicant *wpa_s, const u8 *dst,
  				const u8 *data, size_t data_len,
  				enum p2p_send_action_result result);
  int wpas_p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
  			      char *end);
  enum p2p_discovery_type;
  int wpas_p2p_find(struct wpa_supplicant *wpa_s, unsigned int timeout,
  		  enum p2p_discovery_type type,
  		  unsigned int num_req_dev_types, const u8 *req_dev_types,
  		  const u8 *dev_id, unsigned int search_delay,
  		  u8 seek_cnt, const char **seek_string, int freq);
  void wpas_p2p_stop_find(struct wpa_supplicant *wpa_s);
  int wpas_p2p_listen(struct wpa_supplicant *wpa_s, unsigned int timeout);
  int wpas_p2p_listen_start(struct wpa_supplicant *wpa_s, unsigned int timeout);
  int wpas_p2p_assoc_req_ie(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
  			  u8 *buf, size_t len, int p2p_group);
  void wpas_p2p_scan_ie(struct wpa_supplicant *wpa_s, struct wpabuf *ies);
  void wpas_p2p_group_formation_failed(struct wpa_supplicant *wpa_s);
  u64 wpas_p2p_sd_request(struct wpa_supplicant *wpa_s, const u8 *dst,
  			const struct wpabuf *tlvs);
  u64 wpas_p2p_sd_request_asp(struct wpa_supplicant *wpa_s, const u8 *dst, u8 id,
  			    const char *svc_str, const char *info_substr);
  u64 wpas_p2p_sd_request_upnp(struct wpa_supplicant *wpa_s, const u8 *dst,
  			     u8 version, const char *query);
  u64 wpas_p2p_sd_request_wifi_display(struct wpa_supplicant *wpa_s,
  				     const u8 *dst, const char *role);
  int wpas_p2p_sd_cancel_request(struct wpa_supplicant *wpa_s, u64 req);
  void wpas_p2p_sd_response(struct wpa_supplicant *wpa_s, int freq,
  			  const u8 *dst, u8 dialog_token,
  			  const struct wpabuf *resp_tlvs);
  void wpas_p2p_sd_service_update(struct wpa_supplicant *wpa_s);
  void wpas_p2p_service_flush(struct wpa_supplicant *wpa_s);
  int wpas_p2p_service_add_bonjour(struct wpa_supplicant *wpa_s,
  				 struct wpabuf *query, struct wpabuf *resp);
  int wpas_p2p_service_del_bonjour(struct wpa_supplicant *wpa_s,
  				 const struct wpabuf *query);
  int wpas_p2p_service_add_upnp(struct wpa_supplicant *wpa_s, u8 version,
  			      const char *service);
  int wpas_p2p_service_del_upnp(struct wpa_supplicant *wpa_s, u8 version,
  			      const char *service);
  int wpas_p2p_service_add_asp(struct wpa_supplicant *wpa_s, int auto_accept,
  			     u32 adv_id, const char *adv_str, u8 svc_state,
  			     u16 config_methods, const char *svc_info);
  int wpas_p2p_service_del_asp(struct wpa_supplicant *wpa_s, u32 adv_id);
  int wpas_p2p_service_p2ps_id_exists(struct wpa_supplicant *wpa_s, u32 adv_id);
  int wpas_p2p_reject(struct wpa_supplicant *wpa_s, const u8 *addr);
  int wpas_p2p_invite(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
  		    struct wpa_ssid *ssid, const u8 *go_dev_addr, int freq,
  		    int ht40, int vht, int pref_freq);
  int wpas_p2p_invite_group(struct wpa_supplicant *wpa_s, const char *ifname,
  			  const u8 *peer_addr, const u8 *go_dev_addr);
  int wpas_p2p_presence_req(struct wpa_supplicant *wpa_s, u32 duration1,
  			  u32 interval1, u32 duration2, u32 interval2);
  int wpas_p2p_ext_listen(struct wpa_supplicant *wpa_s, unsigned int period,
  			unsigned int interval);
  int wpas_p2p_deauth_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
  			  u16 reason_code, const u8 *ie, size_t ie_len,
  			  int locally_generated);
  void wpas_p2p_disassoc_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
  			     u16 reason_code, const u8 *ie, size_t ie_len,
  			     int locally_generated);
  int wpas_p2p_set_noa(struct wpa_supplicant *wpa_s, u8 count, int start,
  		     int duration);
  int wpas_p2p_set_cross_connect(struct wpa_supplicant *wpa_s, int enabled);
  int wpas_p2p_cancel(struct wpa_supplicant *wpa_s);
  int wpas_p2p_unauthorize(struct wpa_supplicant *wpa_s, const char *addr);
  int wpas_p2p_disconnect(struct wpa_supplicant *wpa_s);
  struct wpa_ssid * wpas_p2p_get_persistent(struct wpa_supplicant *wpa_s,
  					  const u8 *addr, const u8 *ssid,
  					  size_t ssid_len);
  void wpas_p2p_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s,
  				       const u8 *addr);
  int wpas_p2p_scan_no_go_seen(struct wpa_supplicant *wpa_s);
  int wpas_p2p_get_ht40_mode(struct wpa_supplicant *wpa_s,
  			   struct hostapd_hw_modes *mode, u8 channel);
  int wpas_p2p_get_vht80_center(struct wpa_supplicant *wpa_s,
  			      struct hostapd_hw_modes *mode, u8 channel);
  unsigned int wpas_p2p_search_delay(struct wpa_supplicant *wpa_s);
  void wpas_p2p_new_psk_cb(struct wpa_supplicant *wpa_s, const u8 *mac_addr,
  			 const u8 *p2p_dev_addr,
  			 const u8 *psk, size_t psk_len);
  void wpas_p2p_remove_client(struct wpa_supplicant *wpa_s, const u8 *peer,
  			    int iface_addr);
  struct wpabuf * wpas_p2p_nfc_handover_req(struct wpa_supplicant *wpa_s,
  					  int ndef);
  struct wpabuf * wpas_p2p_nfc_handover_sel(struct wpa_supplicant *wpa_s,
  					  int ndef, int tag);
  int wpas_p2p_nfc_tag_process(struct wpa_supplicant *wpa_s,
  			     const struct wpabuf *data, int forced_freq);
  int wpas_p2p_nfc_report_handover(struct wpa_supplicant *wpa_s, int init,
  				 const struct wpabuf *req,
  				 const struct wpabuf *sel, int forced_freq);
  int wpas_p2p_nfc_tag_enabled(struct wpa_supplicant *wpa_s, int enabled);
  void wpas_p2p_pbc_overlap_cb(void *eloop_ctx, void *timeout_ctx);
  
  #ifdef CONFIG_P2P
  
  int wpas_p2p_init(struct wpa_global *global, struct wpa_supplicant *wpa_s);
  void wpas_p2p_deinit(struct wpa_supplicant *wpa_s);
  void wpas_p2p_completed(struct wpa_supplicant *wpa_s);
  void wpas_p2p_update_config(struct wpa_supplicant *wpa_s);
  int wpas_p2p_probe_req_rx(struct wpa_supplicant *wpa_s, const u8 *addr,
  			  const u8 *dst, const u8 *bssid,
  			  const u8 *ie, size_t ie_len,
  			  int ssi_signal);
  void wpas_p2p_wps_success(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
  			  int registrar);
  void wpas_p2p_update_channel_list(struct wpa_supplicant *wpa_s);
  void wpas_p2p_update_best_channels(struct wpa_supplicant *wpa_s,
  				   int freq_24, int freq_5, int freq_overall);
  void wpas_p2p_rx_action(struct wpa_supplicant *wpa_s, const u8 *da,
  			const u8 *sa, const u8 *bssid,
  			u8 category, const u8 *data, size_t len, int freq);
  void wpas_p2p_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
  				   unsigned int freq, unsigned int duration);
  void wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
  					  unsigned int freq);
  void wpas_p2p_interface_unavailable(struct wpa_supplicant *wpa_s);
  void wpas_p2p_notif_connected(struct wpa_supplicant *wpa_s);
  void wpas_p2p_notif_disconnected(struct wpa_supplicant *wpa_s);
  int wpas_p2p_notif_pbc_overlap(struct wpa_supplicant *wpa_s);
  int wpas_p2p_4way_hs_failed(struct wpa_supplicant *wpa_s);
  void wpas_p2p_ap_setup_failed(struct wpa_supplicant *wpa_s);
  void wpas_p2p_indicate_state_change(struct wpa_supplicant *wpa_s);
  void wpas_p2p_deinit_iface(struct wpa_supplicant *wpa_s);
  void wpas_p2p_ap_deinit(struct wpa_supplicant *wpa_s);
  void wpas_p2p_network_removed(struct wpa_supplicant *wpa_s,
  			      struct wpa_ssid *ssid);
  int wpas_p2p_in_progress(struct wpa_supplicant *wpa_s);
  int wpas_p2p_wps_eapol_cb(struct wpa_supplicant *wpa_s);
  void wpas_p2p_wps_failed(struct wpa_supplicant *wpa_s,
  			 struct wps_event_fail *fail);
  int wpas_p2p_group_remove(struct wpa_supplicant *wpa_s, const char *ifname);
  
  #else /* CONFIG_P2P */
  
  static inline int
  wpas_p2p_init(struct wpa_global *global, struct wpa_supplicant *wpa_s)
  {
  	return 0;
  }
  
  static inline void wpas_p2p_deinit(struct wpa_supplicant *wpa_s)
  {
  }
  
  static inline void wpas_p2p_completed(struct wpa_supplicant *wpa_s)
  {
  }
  
  static inline void wpas_p2p_update_config(struct wpa_supplicant *wpa_s)
  {
  }
  
  static inline int wpas_p2p_probe_req_rx(struct wpa_supplicant *wpa_s,
  					const u8 *addr,
  					const u8 *dst, const u8 *bssid,
  					const u8 *ie, size_t ie_len,
  					int ssi_signal)
  {
  	return 0;
  }
  
  static inline void wpas_p2p_wps_success(struct wpa_supplicant *wpa_s,
  					const u8 *peer_addr, int registrar)
  {
  }
  
  static inline void wpas_p2p_update_channel_list(struct wpa_supplicant *wpa_s)
  {
  }
  
  static inline void wpas_p2p_update_best_channels(struct wpa_supplicant *wpa_s,
  						 int freq_24, int freq_5,
  						 int freq_overall)
  {
  }
  
  static inline void wpas_p2p_rx_action(struct wpa_supplicant *wpa_s,
  				      const u8 *da,
  				      const u8 *sa, const u8 *bssid,
  				      u8 category, const u8 *data, size_t len,
  				      int freq)
  {
  }
  
  static inline void wpas_p2p_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
  						 unsigned int freq,
  						 unsigned int duration)
  {
  }
  
  static inline void
  wpas_p2p_cancel_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
  				     unsigned int freq)
  {
  }
  
  static inline void wpas_p2p_interface_unavailable(struct wpa_supplicant *wpa_s)
  {
  }
  
  static inline void wpas_p2p_notif_connected(struct wpa_supplicant *wpa_s)
  {
  }
  
  static inline void wpas_p2p_notif_disconnected(struct wpa_supplicant *wpa_s)
  {
  }
  
  static inline int wpas_p2p_notif_pbc_overlap(struct wpa_supplicant *wpa_s)
  {
  	return 0;
  }
  
  static inline int wpas_p2p_4way_hs_failed(struct wpa_supplicant *wpa_s)
  {
  	return 0;
  }
  
  static inline void wpas_p2p_ap_setup_failed(struct wpa_supplicant *wpa_s)
  {
  }
  
  static inline void wpas_p2p_indicate_state_change(struct wpa_supplicant *wpa_s)
  {
  }
  
  static inline void wpas_p2p_deinit_iface(struct wpa_supplicant *wpa_s)
  {
  }
  
  static inline void wpas_p2p_ap_deinit(struct wpa_supplicant *wpa_s)
  {
  }
  
  static inline void wpas_p2p_network_removed(struct wpa_supplicant *wpa_s,
  					    struct wpa_ssid *ssid)
  {
  }
  
  static inline int wpas_p2p_in_progress(struct wpa_supplicant *wpa_s)
  {
  	return 0;
  }
  
  static inline int wpas_p2p_wps_eapol_cb(struct wpa_supplicant *wpa_s)
  {
  	return 0;
  }
  
  static inline void wpas_p2p_wps_failed(struct wpa_supplicant *wpa_s,
  				       struct wps_event_fail *fail)
  {
  }
  
  static inline int wpas_p2p_group_remove(struct wpa_supplicant *wpa_s,
  					const char *ifname)
  {
  	return 0;
  }
  
  #endif /* CONFIG_P2P */
  
  #endif /* P2P_SUPPLICANT_H */
  