text: /*
   * hostapd - Driver operations
   * Copyright (c) 2009-2014, Jouni Malinen <j@w1.fi>
   *
   * This software may be distributed under the terms of the BSD license.
   * See README for more details.
   */
  
  #ifndef AP_DRV_OPS
  #define AP_DRV_OPS
  
  enum wpa_driver_if_type;
  struct wpa_bss_params;
  struct wpa_driver_scan_params;
  struct ieee80211_ht_capabilities;
  struct ieee80211_vht_capabilities;
  struct hostapd_freq_params;
  
  u32 hostapd_sta_flags_to_drv(u32 flags);
  int hostapd_build_ap_extra_ies(struct hostapd_data *hapd,
  			       struct wpabuf **beacon,
  			       struct wpabuf **proberesp,
  			       struct wpabuf **assocresp);
  void hostapd_free_ap_extra_ies(struct hostapd_data *hapd, struct wpabuf *beacon,
  			       struct wpabuf *proberesp,
  			       struct wpabuf *assocresp);
  int hostapd_reset_ap_wps_ie(struct hostapd_data *hapd);
  int hostapd_set_ap_wps_ie(struct hostapd_data *hapd);
  int hostapd_set_authorized(struct hostapd_data *hapd,
  			   struct sta_info *sta, int authorized);
  int hostapd_set_sta_flags(struct hostapd_data *hapd, struct sta_info *sta);
  int hostapd_set_drv_ieee8021x(struct hostapd_data *hapd, const char *ifname,
  			      int enabled);
  int hostapd_vlan_if_add(struct hostapd_data *hapd, const char *ifname);
  int hostapd_vlan_if_remove(struct hostapd_data *hapd, const char *ifname);
  int hostapd_set_wds_sta(struct hostapd_data *hapd, char *ifname_wds,
  			const u8 *addr, int aid, int val);
  int hostapd_sta_add(struct hostapd_data *hapd,
  		    const u8 *addr, u16 aid, u16 capability,
  		    const u8 *supp_rates, size_t supp_rates_len,
  		    u16 listen_interval,
  		    const struct ieee80211_ht_capabilities *ht_capab,
  		    const struct ieee80211_vht_capabilities *vht_capab,
  		    u32 flags, u8 qosinfo, u8 vht_opmode, int supp_p2p_ps,
  		    int set);
  int hostapd_set_privacy(struct hostapd_data *hapd, int enabled);
  int hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem,
  			     size_t elem_len);
  int hostapd_get_ssid(struct hostapd_data *hapd, u8 *buf, size_t len);
  int hostapd_set_ssid(struct hostapd_data *hapd, const u8 *buf, size_t len);
  int hostapd_if_add(struct hostapd_data *hapd, enum wpa_driver_if_type type,
  		   const char *ifname, const u8 *addr, void *bss_ctx,
  		   void **drv_priv, char *force_ifname, u8 *if_addr,
  		   const char *bridge, int use_existing);
  int hostapd_if_remove(struct hostapd_data *hapd, enum wpa_driver_if_type type,
  		      const char *ifname);
  int hostapd_set_ieee8021x(struct hostapd_data *hapd,
  			  struct wpa_bss_params *params);
  int hostapd_get_seqnum(const char *ifname, struct hostapd_data *hapd,
  		       const u8 *addr, int idx, u8 *seq);
  int hostapd_flush(struct hostapd_data *hapd);
  int hostapd_set_freq(struct hostapd_data *hapd, enum hostapd_hw_mode mode,
  		     int freq, int channel, int ht_enabled, int vht_enabled,
  		     int sec_channel_offset, int vht_oper_chwidth,
  		     int center_segment0, int center_segment1);
  int hostapd_set_rts(struct hostapd_data *hapd, int rts);
  int hostapd_set_frag(struct hostapd_data *hapd, int frag);
  int hostapd_sta_set_flags(struct hostapd_data *hapd, u8 *addr,
  			  int total_flags, int flags_or, int flags_and);
  int hostapd_set_country(struct hostapd_data *hapd, const char *country);
  int hostapd_set_tx_queue_params(struct hostapd_data *hapd, int queue, int aifs,
  				int cw_min, int cw_max, int burst_time);
  struct hostapd_hw_modes *
  hostapd_get_hw_feature_data(struct hostapd_data *hapd, u16 *num_modes,
  			    u16 *flags);
  int hostapd_driver_commit(struct hostapd_data *hapd);
  int hostapd_drv_none(struct hostapd_data *hapd);
  int hostapd_driver_scan(struct hostapd_data *hapd,
  			struct wpa_driver_scan_params *params);
  struct wpa_scan_results * hostapd_driver_get_scan_results(
  	struct hostapd_data *hapd);
  int hostapd_driver_set_noa(struct hostapd_data *hapd, u8 count, int start,
  			   int duration);
  int hostapd_drv_set_key(const char *ifname,
  			struct hostapd_data *hapd,
  			enum wpa_alg alg, const u8 *addr,
  			int key_idx, int set_tx,
  			const u8 *seq, size_t seq_len,
  			const u8 *key, size_t key_len);
  int hostapd_drv_send_mlme(struct hostapd_data *hapd,
  			  const void *msg, size_t len, int noack);
  int hostapd_drv_send_mlme_csa(struct hostapd_data *hapd,
  			      const void *msg, size_t len, int noack,
  			      const u16 *csa_offs, size_t csa_offs_len);
  int hostapd_drv_sta_deauth(struct hostapd_data *hapd,
  			   const u8 *addr, int reason);
  int hostapd_drv_sta_disassoc(struct hostapd_data *hapd,
  			     const u8 *addr, int reason);
  int hostapd_drv_send_action(struct hostapd_data *hapd, unsigned int freq,
  			    unsigned int wait, const u8 *dst, const u8 *data,
  			    size_t len);
  int hostapd_drv_send_action_addr3_ap(struct hostapd_data *hapd,
  				     unsigned int freq,
  				     unsigned int wait, const u8 *dst,
  				     const u8 *data, size_t len);
  int hostapd_add_sta_node(struct hostapd_data *hapd, const u8 *addr,
  			 u16 auth_alg);
  int hostapd_sta_auth(struct hostapd_data *hapd, const u8 *addr,
  		     u16 seq, u16 status, const u8 *ie, size_t len);
  int hostapd_sta_assoc(struct hostapd_data *hapd, const u8 *addr,
  		      int reassoc, u16 status, const u8 *ie, size_t len);
  int hostapd_add_tspec(struct hostapd_data *hapd, const u8 *addr,
  		      u8 *tspec_ie, size_t tspec_ielen);
  int hostapd_start_dfs_cac(struct hostapd_iface *iface,
  			  enum hostapd_hw_mode mode, int freq,
  			  int channel, int ht_enabled, int vht_enabled,
  			  int sec_channel_offset, int vht_oper_chwidth,
  			  int center_segment0, int center_segment1);
  int hostapd_drv_do_acs(struct hostapd_data *hapd);
  
  
  #include "drivers/driver.h"
  
  int hostapd_drv_wnm_oper(struct hostapd_data *hapd,
  			 enum wnm_oper oper, const u8 *peer,
  			 u8 *buf, u16 *buf_len);
  
  int hostapd_drv_set_qos_map(struct hostapd_data *hapd, const u8 *qos_map_set,
  			    u8 qos_map_set_len);
  
  void hostapd_get_ext_capa(struct hostapd_iface *iface);
  
  static inline int hostapd_drv_set_countermeasures(struct hostapd_data *hapd,
  						  int enabled)
  {
  	if (hapd->driver == NULL ||
  	    hapd->driver->hapd_set_countermeasures == NULL)
  		return 0;
  	return hapd->driver->hapd_set_countermeasures(hapd->drv_priv, enabled);
  }
  
  static inline int hostapd_drv_set_sta_vlan(const char *ifname,
  					   struct hostapd_data *hapd,
  					   const u8 *addr, int vlan_id)
  {
  	if (hapd->driver == NULL || hapd->driver->set_sta_vlan == NULL)
  		return 0;
  	return hapd->driver->set_sta_vlan(hapd->drv_priv, addr, ifname,
  					  vlan_id);
  }
  
  static inline int hostapd_drv_get_inact_sec(struct hostapd_data *hapd,
  					    const u8 *addr)
  {
  	if (hapd->driver == NULL || hapd->driver->get_inact_sec == NULL)
  		return 0;
  	return hapd->driver->get_inact_sec(hapd->drv_priv, addr);
  }
  
  static inline int hostapd_drv_sta_remove(struct hostapd_data *hapd,
  					 const u8 *addr)
  {
  	if (!hapd->driver || !hapd->driver->sta_remove || !hapd->drv_priv)
  		return 0;
  	return hapd->driver->sta_remove(hapd->drv_priv, addr);
  }
  
  static inline int hostapd_drv_hapd_send_eapol(struct hostapd_data *hapd,
  					      const u8 *addr, const u8 *data,
  					      size_t data_len, int encrypt,
  					      u32 flags)
  {
  	if (hapd->driver == NULL || hapd->driver->hapd_send_eapol == NULL)
  		return 0;
  	return hapd->driver->hapd_send_eapol(hapd->drv_priv, addr, data,
  					     data_len, encrypt,
  					     hapd->own_addr, flags);
  }
  
  static inline int hostapd_drv_read_sta_data(
  	struct hostapd_data *hapd, struct hostap_sta_driver_data *data,
  	const u8 *addr)
  {
  	if (hapd->driver == NULL || hapd->driver->read_sta_data == NULL)
  		return -1;
  	return hapd->driver->read_sta_data(hapd->drv_priv, data, addr);
  }
  
  static inline int hostapd_drv_sta_clear_stats(struct hostapd_data *hapd,
  					      const u8 *addr)
  {
  	if (hapd->driver == NULL || hapd->driver->sta_clear_stats == NULL)
  		return 0;
  	return hapd->driver->sta_clear_stats(hapd->drv_priv, addr);
  }
  
  static inline int hostapd_drv_set_acl(struct hostapd_data *hapd,
  				      struct hostapd_acl_params *params)
  {
  	if (hapd->driver == NULL || hapd->driver->set_acl == NULL)
  		return 0;
  	return hapd->driver->set_acl(hapd->drv_priv, params);
  }
  
  static inline int hostapd_drv_set_ap(struct hostapd_data *hapd,
  				     struct wpa_driver_ap_params *params)
  {
  	if (hapd->driver == NULL || hapd->driver->set_ap == NULL)
  		return 0;
  	return hapd->driver->set_ap(hapd->drv_priv, params);
  }
  
  static inline int hostapd_drv_set_radius_acl_auth(struct hostapd_data *hapd,
  						  const u8 *mac, int accepted,
  						  u32 session_timeout)
  {
  	if (hapd->driver == NULL || hapd->driver->set_radius_acl_auth == NULL)
  		return 0;
  	return hapd->driver->set_radius_acl_auth(hapd->drv_priv, mac, accepted,
  						 session_timeout);
  }
  
  static inline int hostapd_drv_set_radius_acl_expire(struct hostapd_data *hapd,
  						    const u8 *mac)
  {
  	if (hapd->driver == NULL ||
  	    hapd->driver->set_radius_acl_expire == NULL)
  		return 0;
  	return hapd->driver->set_radius_acl_expire(hapd->drv_priv, mac);
  }
  
  static inline int hostapd_drv_set_authmode(struct hostapd_data *hapd,
  					   int auth_algs)
  {
  	if (hapd->driver == NULL || hapd->driver->set_authmode == NULL)
  		return 0;
  	return hapd->driver->set_authmode(hapd->drv_priv, auth_algs);
  }
  
  static inline void hostapd_drv_poll_client(struct hostapd_data *hapd,
  					   const u8 *own_addr, const u8 *addr,
  					   int qos)
  {
  	if (hapd->driver == NULL || hapd->driver->poll_client == NULL)
  		return;
  	hapd->driver->poll_client(hapd->drv_priv, own_addr, addr, qos);
  }
  
  static inline int hostapd_drv_get_survey(struct hostapd_data *hapd,
  					 unsigned int freq)
  {
  	if (hapd->driver == NULL)
  		return -1;
  	if (!hapd->driver->get_survey)
  		return -1;
  	return hapd->driver->get_survey(hapd->drv_priv, freq);
  }
  
  static inline int hostapd_get_country(struct hostapd_data *hapd, char *alpha2)
  {
  	if (hapd->driver == NULL || hapd->driver->get_country == NULL)
  		return -1;
  	return hapd->driver->get_country(hapd->drv_priv, alpha2);
  }
  
  static inline const char * hostapd_drv_get_radio_name(struct hostapd_data *hapd)
  {
  	if (hapd->driver == NULL || hapd->drv_priv == NULL ||
  	    hapd->driver->get_radio_name == NULL)
  		return NULL;
  	return hapd->driver->get_radio_name(hapd->drv_priv);
  }
  
  static inline int hostapd_drv_switch_channel(struct hostapd_data *hapd,
  					     struct csa_settings *settings)
  {
  	if (hapd->driver == NULL || hapd->driver->switch_channel == NULL)
  		return -ENOTSUP;
  
  	return hapd->driver->switch_channel(hapd->drv_priv, settings);
  }
  
  static inline int hostapd_drv_status(struct hostapd_data *hapd, char *buf,
  				     size_t buflen)
  {
  	if (!hapd->driver || !hapd->driver->status || !hapd->drv_priv)
  		return -1;
  	return hapd->driver->status(hapd->drv_priv, buf, buflen);
  }
  
  static inline int hostapd_drv_br_add_ip_neigh(struct hostapd_data *hapd,
  					      int version, const u8 *ipaddr,
  					      int prefixlen, const u8 *addr)
  {
  	if (hapd->driver == NULL || hapd->drv_priv == NULL ||
  	    hapd->driver->br_add_ip_neigh == NULL)
  		return -1;
  	return hapd->driver->br_add_ip_neigh(hapd->drv_priv, version, ipaddr,
  					     prefixlen, addr);
  }
  
  static inline int hostapd_drv_br_delete_ip_neigh(struct hostapd_data *hapd,
  						 u8 version, const u8 *ipaddr)
  {
  	if (hapd->driver == NULL || hapd->drv_priv == NULL ||
  	    hapd->driver->br_delete_ip_neigh == NULL)
  		return -1;
  	return hapd->driver->br_delete_ip_neigh(hapd->drv_priv, version,
  						ipaddr);
  }
  
  static inline int hostapd_drv_br_port_set_attr(struct hostapd_data *hapd,
  					       enum drv_br_port_attr attr,
  					       unsigned int val)
  {
  	if (hapd->driver == NULL || hapd->drv_priv == NULL ||
  	    hapd->driver->br_port_set_attr == NULL)
  		return -1;
  	return hapd->driver->br_port_set_attr(hapd->drv_priv, attr, val);
  }
  
  static inline int hostapd_drv_br_set_net_param(struct hostapd_data *hapd,
  					       enum drv_br_net_param param,
  					       unsigned int val)
  {
  	if (hapd->driver == NULL || hapd->drv_priv == NULL ||
  	    hapd->driver->br_set_net_param == NULL)
  		return -1;
  	return hapd->driver->br_set_net_param(hapd->drv_priv, param, val);
  }
  
  static inline int hostapd_drv_vendor_cmd(struct hostapd_data *hapd,
  					 int vendor_id, int subcmd,
  					 const u8 *data, size_t data_len,
  					 struct wpabuf *buf)
  {
  	if (hapd->driver == NULL || hapd->driver->vendor_cmd == NULL)
  		return -1;
  	return hapd->driver->vendor_cmd(hapd->drv_priv, vendor_id, subcmd, data,
  					data_len, buf);
  }
  
  static inline int hostapd_drv_stop_ap(struct hostapd_data *hapd)
  {
  	if (!hapd->driver || !hapd->driver->stop_ap || !hapd->drv_priv)
  		return 0;
  	return hapd->driver->stop_ap(hapd->drv_priv);
  }
  
  #ifdef CONFIG_SOAP
  static inline int hostapd_drv_hapd_send_soap(struct hostapd_data *hapd,
  					      const u8 *addr,  const u8 *data,
  					      size_t data_len, int encrypt,
  					      u32 flags)
  {
  	if (hapd->driver == NULL || hapd->driver->hapd_send_soap == NULL)
  		return 0;
  	return hapd->driver->hapd_send_soap(hapd->drv_priv, addr, data,
  					     data_len, encrypt,
  					     hapd->own_addr, flags);
  }
  #endif /* CONFIG_SOAP */
  
  #endif /* AP_DRV_OPS */
  