text: /*
   * wpa_supplicant - Internal driver interface wrappers
   * Copyright (c) 2003-2015, Jouni Malinen <j@w1.fi>
   *
   * This software may be distributed under the terms of the BSD license.
   * See README for more details.
   */
  
  #ifndef DRIVER_I_H
  #define DRIVER_I_H
  
  #include "drivers/driver.h"
  
  /* driver_ops */
  static inline void * wpa_drv_init(struct wpa_supplicant *wpa_s,
  				  const char *ifname)
  {
  	if (wpa_s->driver->init2)
  		return wpa_s->driver->init2(wpa_s, ifname,
  					    wpa_s->global_drv_priv);
  	if (wpa_s->driver->init) {
  		return wpa_s->driver->init(wpa_s, ifname);
  	}
  	return NULL;
  }
  
  static inline void wpa_drv_deinit(struct wpa_supplicant *wpa_s)
  {
  	if (wpa_s->driver->deinit)
  		wpa_s->driver->deinit(wpa_s->drv_priv);
  }
  
  static inline int wpa_drv_set_param(struct wpa_supplicant *wpa_s,
  				    const char *param)
  {
  	if (wpa_s->driver->set_param)
  		return wpa_s->driver->set_param(wpa_s->drv_priv, param);
  	return 0;
  }
  
  static inline int wpa_drv_set_countermeasures(struct wpa_supplicant *wpa_s,
  					      int enabled)
  {
  	if (wpa_s->driver->set_countermeasures) {
  		return wpa_s->driver->set_countermeasures(wpa_s->drv_priv,
  							  enabled);
  	}
  	return -1;
  }
  
  static inline int wpa_drv_authenticate(struct wpa_supplicant *wpa_s,
  				       struct wpa_driver_auth_params *params)
  {
  	if (wpa_s->driver->authenticate)
  		return wpa_s->driver->authenticate(wpa_s->drv_priv, params);
  	return -1;
  }
  
  static inline int wpa_drv_associate(struct wpa_supplicant *wpa_s,
  				    struct wpa_driver_associate_params *params)
  {
  	if (wpa_s->driver->associate) {
  		return wpa_s->driver->associate(wpa_s->drv_priv, params);
  	}
  	return -1;
  }
  
  static inline int wpa_drv_init_mesh(struct wpa_supplicant *wpa_s)
  {
  	if (wpa_s->driver->init_mesh)
  		return wpa_s->driver->init_mesh(wpa_s->drv_priv);
  	return -1;
  }
  
  static inline int wpa_drv_join_mesh(struct wpa_supplicant *wpa_s,
  				    struct wpa_driver_mesh_join_params *params)
  {
  	if (wpa_s->driver->join_mesh)
  		return wpa_s->driver->join_mesh(wpa_s->drv_priv, params);
  	return -1;
  }
  
  static inline int wpa_drv_leave_mesh(struct wpa_supplicant *wpa_s)
  {
  	if (wpa_s->driver->leave_mesh)
  		return wpa_s->driver->leave_mesh(wpa_s->drv_priv);
  	return -1;
  }
  
  static inline int wpa_drv_scan(struct wpa_supplicant *wpa_s,
  			       struct wpa_driver_scan_params *params)
  {
  #ifdef CONFIG_TESTING_OPTIONS
  	if (wpa_s->test_failure == WPAS_TEST_FAILURE_SCAN_TRIGGER)
  		return -EBUSY;
  #endif /* CONFIG_TESTING_OPTIONS */
  	if (wpa_s->driver->scan2)
  		return wpa_s->driver->scan2(wpa_s->drv_priv, params);
  	return -1;
  }
  
  static inline int wpa_drv_sched_scan(struct wpa_supplicant *wpa_s,
  				     struct wpa_driver_scan_params *params,
  				     u32 interval)
  {
  	if (wpa_s->driver->sched_scan)
  		return wpa_s->driver->sched_scan(wpa_s->drv_priv,
  						 params, interval);
  	return -1;
  }
  
  static inline int wpa_drv_stop_sched_scan(struct wpa_supplicant *wpa_s)
  {
  	if (wpa_s->driver->stop_sched_scan)
  		return wpa_s->driver->stop_sched_scan(wpa_s->drv_priv);
  	return -1;
  }
  
  static inline struct wpa_scan_results * wpa_drv_get_scan_results2(
  	struct wpa_supplicant *wpa_s)
  {
  	if (wpa_s->driver->get_scan_results2)
  		return wpa_s->driver->get_scan_results2(wpa_s->drv_priv);
  	return NULL;
  }
  
  static inline int wpa_drv_get_bssid(struct wpa_supplicant *wpa_s, u8 *bssid)
  {
  	if (wpa_s->driver->get_bssid) {
  		return wpa_s->driver->get_bssid(wpa_s->drv_priv, bssid);
  	}
  	return -1;
  }
  
  static inline int wpa_drv_get_ssid(struct wpa_supplicant *wpa_s, u8 *ssid)
  {
  	if (wpa_s->driver->get_ssid) {
  		return wpa_s->driver->get_ssid(wpa_s->drv_priv, ssid);
  	}
  	return -1;
  }
  
  static inline int wpa_drv_set_key(struct wpa_supplicant *wpa_s,
  				  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)
  {
  	if (alg != WPA_ALG_NONE) {
  		if (key_idx >= 0 && key_idx <= 6)
  			wpa_s->keys_cleared &= ~BIT(key_idx);
  		else
  			wpa_s->keys_cleared = 0;
  	}
  	if (wpa_s->driver->set_key) {
  		return wpa_s->driver->set_key(wpa_s->ifname, wpa_s->drv_priv,
  					      alg, addr, key_idx, set_tx,
  					      seq, seq_len, key, key_len);
  	}
  	return -1;
  }
  
  static inline int wpa_drv_sta_deauth(struct wpa_supplicant *wpa_s,
  				     const u8 *addr, int reason_code)
  {
  	if (wpa_s->driver->sta_deauth) {
  		return wpa_s->driver->sta_deauth(wpa_s->drv_priv,
  						 wpa_s->own_addr, addr,
  						 reason_code);
  	}
  	return -1;
  }
  
  static inline int wpa_drv_deauthenticate(struct wpa_supplicant *wpa_s,
  					 const u8 *addr, int reason_code)
  {
  	if (wpa_s->driver->deauthenticate) {
  		return wpa_s->driver->deauthenticate(wpa_s->drv_priv, addr,
  						     reason_code);
  	}
  	return -1;
  }
  
  static inline int wpa_drv_add_pmkid(struct wpa_supplicant *wpa_s,
  				    const u8 *bssid, const u8 *pmkid)
  {
  	if (wpa_s->driver->add_pmkid) {
  		return wpa_s->driver->add_pmkid(wpa_s->drv_priv, bssid, pmkid);
  	}
  	return -1;
  }
  
  static inline int wpa_drv_remove_pmkid(struct wpa_supplicant *wpa_s,
  				       const u8 *bssid, const u8 *pmkid)
  {
  	if (wpa_s->driver->remove_pmkid) {
  		return wpa_s->driver->remove_pmkid(wpa_s->drv_priv, bssid,
  						   pmkid);
  	}
  	return -1;
  }
  
  static inline int wpa_drv_flush_pmkid(struct wpa_supplicant *wpa_s)
  {
  	if (wpa_s->driver->flush_pmkid) {
  		return wpa_s->driver->flush_pmkid(wpa_s->drv_priv);
  	}
  	return -1;
  }
  
  static inline int wpa_drv_get_capa(struct wpa_supplicant *wpa_s,
  				   struct wpa_driver_capa *capa)
  {
  	if (wpa_s->driver->get_capa) {
  		return wpa_s->driver->get_capa(wpa_s->drv_priv, capa);
  	}
  	return -1;
  }
  
  static inline void wpa_drv_poll(struct wpa_supplicant *wpa_s)
  {
  	if (wpa_s->driver->poll) {
  		wpa_s->driver->poll(wpa_s->drv_priv);
  	}
  }
  
  static inline const char * wpa_drv_get_ifname(struct wpa_supplicant *wpa_s)
  {
  	if (wpa_s->driver->get_ifname) {
  		return wpa_s->driver->get_ifname(wpa_s->drv_priv);
  	}
  	return NULL;
  }
  
  static inline const char *
  wpa_driver_get_radio_name(struct wpa_supplicant *wpa_s)
  {
  	if (wpa_s->driver->get_radio_name)
  		return wpa_s->driver->get_radio_name(wpa_s->drv_priv);
  	return NULL;
  }
  
  static inline const u8 * wpa_drv_get_mac_addr(struct wpa_supplicant *wpa_s)
  {
  	if (wpa_s->driver->get_mac_addr) {
  		return wpa_s->driver->get_mac_addr(wpa_s->drv_priv);
  	}
  	return NULL;
  }
  
  static inline int wpa_drv_set_operstate(struct wpa_supplicant *wpa_s,
  					int state)
  {
  	if (wpa_s->driver->set_operstate)
  		return wpa_s->driver->set_operstate(wpa_s->drv_priv, state);
  	return 0;
  }
  
  static inline int wpa_drv_mlme_setprotection(struct wpa_supplicant *wpa_s,
  					     const u8 *addr, int protect_type,
  					     int key_type)
  {
  	if (wpa_s->driver->mlme_setprotection)
  		return wpa_s->driver->mlme_setprotection(wpa_s->drv_priv, addr,
  							 protect_type,
  							 key_type);
  	return 0;
  }
  
  static inline struct hostapd_hw_modes *
  wpa_drv_get_hw_feature_data(struct wpa_supplicant *wpa_s, u16 *num_modes,
  			    u16 *flags)
  {
  	if (wpa_s->driver->get_hw_feature_data)
  		return wpa_s->driver->get_hw_feature_data(wpa_s->drv_priv,
  							  num_modes, flags);
  	return NULL;
  }
  
  static inline int wpa_drv_set_country(struct wpa_supplicant *wpa_s,
  				      const char *alpha2)
  {
  	if (wpa_s->driver->set_country)
  		return wpa_s->driver->set_country(wpa_s->drv_priv, alpha2);
  	return 0;
  }
  
  static inline int wpa_drv_send_mlme(struct wpa_supplicant *wpa_s,
  				    const u8 *data, size_t data_len, int noack,
  				    unsigned int freq)
  {
  	if (wpa_s->driver->send_mlme)
  		return wpa_s->driver->send_mlme(wpa_s->drv_priv,
  						data, data_len, noack,
  						freq);
  	return -1;
  }
  
  static inline int wpa_drv_update_ft_ies(struct wpa_supplicant *wpa_s,
  					const u8 *md,
  					const u8 *ies, size_t ies_len)
  {
  	if (wpa_s->driver->update_ft_ies)
  		return wpa_s->driver->update_ft_ies(wpa_s->drv_priv, md,
  						    ies, ies_len);
  	return -1;
  }
  
  static inline int wpa_drv_set_ap(struct wpa_supplicant *wpa_s,
  				 struct wpa_driver_ap_params *params)
  {
  	if (wpa_s->driver->set_ap)
  		return wpa_s->driver->set_ap(wpa_s->drv_priv, params);
  	return -1;
  }
  
  static inline int wpa_drv_sta_add(struct wpa_supplicant *wpa_s,
  				  struct hostapd_sta_add_params *params)
  {
  	if (wpa_s->driver->sta_add)
  		return wpa_s->driver->sta_add(wpa_s->drv_priv, params);
  	return -1;
  }
  
  static inline int wpa_drv_sta_remove(struct wpa_supplicant *wpa_s,
  				     const u8 *addr)
  {
  	if (wpa_s->driver->sta_remove)
  		return wpa_s->driver->sta_remove(wpa_s->drv_priv, addr);
  	return -1;
  }
  
  static inline int wpa_drv_hapd_send_eapol(struct wpa_supplicant *wpa_s,
  					  const u8 *addr, const u8 *data,
  					  size_t data_len, int encrypt,
  					  const u8 *own_addr, u32 flags)
  {
  	if (wpa_s->driver->hapd_send_eapol)
  		return wpa_s->driver->hapd_send_eapol(wpa_s->drv_priv, addr,
  						      data, data_len, encrypt,
  						      own_addr, flags);
  	return -1;
  }
  
  static inline int wpa_drv_sta_set_flags(struct wpa_supplicant *wpa_s,
  					const u8 *addr, int total_flags,
  					int flags_or, int flags_and)
  {
  	if (wpa_s->driver->sta_set_flags)
  		return wpa_s->driver->sta_set_flags(wpa_s->drv_priv, addr,
  						    total_flags, flags_or,
  						    flags_and);
  	return -1;
  }
  
  static inline int wpa_drv_set_supp_port(struct wpa_supplicant *wpa_s,
  					int authorized)
  {
  	if (wpa_s->driver->set_supp_port) {
  		return wpa_s->driver->set_supp_port(wpa_s->drv_priv,
  						    authorized);
  	}
  	return 0;
  }
  
  static inline int wpa_drv_send_action(struct wpa_supplicant *wpa_s,
  				      unsigned int freq,
  				      unsigned int wait,
  				      const u8 *dst, const u8 *src,
  				      const u8 *bssid,
  				      const u8 *data, size_t data_len,
  				      int no_cck)
  {
  	if (wpa_s->driver->send_action)
  		return wpa_s->driver->send_action(wpa_s->drv_priv, freq,
  						  wait, dst, src, bssid,
  						  data, data_len, no_cck);
  	return -1;
  }
  
  static inline void wpa_drv_send_action_cancel_wait(struct wpa_supplicant *wpa_s)
  {
  	if (wpa_s->driver->send_action_cancel_wait)
  		wpa_s->driver->send_action_cancel_wait(wpa_s->drv_priv);
  }
  
  static inline int wpa_drv_set_freq(struct wpa_supplicant *wpa_s,
  				   struct hostapd_freq_params *freq)
  {
  	if (wpa_s->driver->set_freq)
  		return wpa_s->driver->set_freq(wpa_s->drv_priv, freq);
  	return -1;
  }
  
  static inline int wpa_drv_if_add(struct wpa_supplicant *wpa_s,
  				 enum wpa_driver_if_type type,
  				 const char *ifname, const u8 *addr,
  				 void *bss_ctx, char *force_ifname,
  				 u8 *if_addr, const char *bridge)
  {
  	if (wpa_s->driver->if_add)
  		return wpa_s->driver->if_add(wpa_s->drv_priv, type, ifname,
  					     addr, bss_ctx, NULL, force_ifname,
  					     if_addr, bridge, 0);
  	return -1;
  }
  
  static inline int wpa_drv_if_remove(struct wpa_supplicant *wpa_s,
  				    enum wpa_driver_if_type type,
  				    const char *ifname)
  {
  	if (wpa_s->driver->if_remove)
  		return wpa_s->driver->if_remove(wpa_s->drv_priv, type, ifname);
  	return -1;
  }
  
  static inline int wpa_drv_remain_on_channel(struct wpa_supplicant *wpa_s,
  					    unsigned int freq,
  					    unsigned int duration)
  {
  	if (wpa_s->driver->remain_on_channel)
  		return wpa_s->driver->remain_on_channel(wpa_s->drv_priv, freq,
  							duration);
  	return -1;
  }
  
  static inline int wpa_drv_cancel_remain_on_channel(
  	struct wpa_supplicant *wpa_s)
  {
  	if (wpa_s->driver->cancel_remain_on_channel)
  		return wpa_s->driver->cancel_remain_on_channel(
  			wpa_s->drv_priv);
  	return -1;
  }
  
  static inline int wpa_drv_probe_req_report(struct wpa_supplicant *wpa_s,
  					   int report)
  {
  	if (wpa_s->driver->probe_req_report)
  		return wpa_s->driver->probe_req_report(wpa_s->drv_priv,
  						       report);
  	return -1;
  }
  
  static inline int wpa_drv_deinit_ap(struct wpa_supplicant *wpa_s)
  {
  	if (wpa_s->driver->deinit_ap)
  		return wpa_s->driver->deinit_ap(wpa_s->drv_priv);
  	return 0;
  }
  
  static inline int wpa_drv_deinit_p2p_cli(struct wpa_supplicant *wpa_s)
  {
  	if (wpa_s->driver->deinit_p2p_cli)
  		return wpa_s->driver->deinit_p2p_cli(wpa_s->drv_priv);
  	return 0;
  }
  
  static inline void wpa_drv_suspend(struct wpa_supplicant *wpa_s)
  {
  	if (wpa_s->driver->suspend)
  		wpa_s->driver->suspend(wpa_s->drv_priv);
  }
  
  static inline void wpa_drv_resume(struct wpa_supplicant *wpa_s)
  {
  	if (wpa_s->driver->resume)
  		wpa_s->driver->resume(wpa_s->drv_priv);
  }
  
  static inline int wpa_drv_signal_monitor(struct wpa_supplicant *wpa_s,
  					 int threshold, int hysteresis)
  {
  	if (wpa_s->driver->signal_monitor)
  		return wpa_s->driver->signal_monitor(wpa_s->drv_priv,
  						     threshold, hysteresis);
  	return -1;
  }
  
  static inline int wpa_drv_signal_poll(struct wpa_supplicant *wpa_s,
  				      struct wpa_signal_info *si)
  {
  	if (wpa_s->driver->signal_poll)
  		return wpa_s->driver->signal_poll(wpa_s->drv_priv, si);
  	return -1;
  }
  
  static inline int wpa_drv_pktcnt_poll(struct wpa_supplicant *wpa_s,
  				      struct hostap_sta_driver_data *sta)
  {
  	if (wpa_s->driver->read_sta_data)
  		return wpa_s->driver->read_sta_data(wpa_s->drv_priv, sta,
  						    wpa_s->bssid);
  	return -1;
  }
  
  static inline int wpa_drv_set_ap_wps_ie(struct wpa_supplicant *wpa_s,
  					const struct wpabuf *beacon,
  					const struct wpabuf *proberesp,
  					const struct wpabuf *assocresp)
  {
  	if (!wpa_s->driver->set_ap_wps_ie)
  		return -1;
  	return wpa_s->driver->set_ap_wps_ie(wpa_s->drv_priv, beacon,
  					    proberesp, assocresp);
  }
  
  static inline int wpa_drv_get_noa(struct wpa_supplicant *wpa_s,
  				  u8 *buf, size_t buf_len)
  {
  	if (!wpa_s->driver->get_noa)
  		return -1;
  	return wpa_s->driver->get_noa(wpa_s->drv_priv, buf, buf_len);
  }
  
  static inline int wpa_drv_set_p2p_powersave(struct wpa_supplicant *wpa_s,
  					    int legacy_ps, int opp_ps,
  					    int ctwindow)
  {
  	if (!wpa_s->driver->set_p2p_powersave)
  		return -1;
  	return wpa_s->driver->set_p2p_powersave(wpa_s->drv_priv, legacy_ps,
  						opp_ps, ctwindow);
  }
  
  static inline int wpa_drv_ampdu(struct wpa_supplicant *wpa_s, int ampdu)
  {
  	if (!wpa_s->driver->ampdu)
  		return -1;
  	return wpa_s->driver->ampdu(wpa_s->drv_priv, ampdu);
  }
  
  static inline int wpa_drv_send_tdls_mgmt(struct wpa_supplicant *wpa_s,
  					 const u8 *dst, u8 action_code,
  					 u8 dialog_token, u16 status_code,
  					 u32 peer_capab, int initiator,
  					 const u8 *buf, size_t len)
  {
  	if (wpa_s->driver->send_tdls_mgmt) {
  		return wpa_s->driver->send_tdls_mgmt(wpa_s->drv_priv, dst,
  						     action_code, dialog_token,
  						     status_code, peer_capab,
  						     initiator, buf, len);
  	}
  	return -1;
  }
  
  static inline int wpa_drv_tdls_oper(struct wpa_supplicant *wpa_s,
  				    enum tdls_oper oper, const u8 *peer)
  {
  	if (!wpa_s->driver->tdls_oper)
  		return -1;
  	return wpa_s->driver->tdls_oper(wpa_s->drv_priv, oper, peer);
  }
  
  #ifdef ANDROID
  static inline int wpa_drv_driver_cmd(struct wpa_supplicant *wpa_s,
  				     char *cmd, char *buf, size_t buf_len)
  {
  	if (!wpa_s->driver->driver_cmd)
  		return -1;
  	return wpa_s->driver->driver_cmd(wpa_s->drv_priv, cmd, buf, buf_len);
  }
  #endif /* ANDROID */
  
  static inline void wpa_drv_set_rekey_info(struct wpa_supplicant *wpa_s,
  					  const u8 *kek, size_t kek_len,
  					  const u8 *kck, size_t kck_len,
  					  const u8 *replay_ctr)
  {
  	if (!wpa_s->driver->set_rekey_info)
  		return;
  	wpa_s->driver->set_rekey_info(wpa_s->drv_priv, kek, kek_len,
  				      kck, kck_len, replay_ctr);
  }
  
  static inline int wpa_drv_radio_disable(struct wpa_supplicant *wpa_s,
  					int disabled)
  {
  	if (!wpa_s->driver->radio_disable)
  		return -1;
  	return wpa_s->driver->radio_disable(wpa_s->drv_priv, disabled);
  }
  
  static inline int wpa_drv_switch_channel(struct wpa_supplicant *wpa_s,
  					 struct csa_settings *settings)
  {
  	if (!wpa_s->driver->switch_channel)
  		return -1;
  	return wpa_s->driver->switch_channel(wpa_s->drv_priv, settings);
  }
  
  static inline int wpa_drv_add_ts(struct wpa_supplicant *wpa_s, u8 tsid,
  				 const u8 *address, u8 user_priority,
  				 u16 admitted_time)
  {
  	if (!wpa_s->driver->add_tx_ts)
  		return -1;
  	return wpa_s->driver->add_tx_ts(wpa_s->drv_priv, tsid, address,
  					user_priority, admitted_time);
  }
  
  static inline int wpa_drv_del_ts(struct wpa_supplicant *wpa_s, u8 tid,
  				 const u8 *address)
  {
  	if (!wpa_s->driver->del_tx_ts)
  		return -1;
  	return wpa_s->driver->del_tx_ts(wpa_s->drv_priv, tid, address);
  }
  
  static inline int wpa_drv_tdls_enable_channel_switch(
  	struct wpa_supplicant *wpa_s, const u8 *addr, u8 oper_class,
  	const struct hostapd_freq_params *freq_params)
  {
  	if (!wpa_s->driver->tdls_enable_channel_switch)
  		return -1;
  	return wpa_s->driver->tdls_enable_channel_switch(wpa_s->drv_priv, addr,
  							 oper_class,
  							 freq_params);
  }
  
  static inline int
  wpa_drv_tdls_disable_channel_switch(struct wpa_supplicant *wpa_s,
  				    const u8 *addr)
  {
  	if (!wpa_s->driver->tdls_disable_channel_switch)
  		return -1;
  	return wpa_s->driver->tdls_disable_channel_switch(wpa_s->drv_priv,
  							  addr);
  }
  
  static inline int wpa_drv_wnm_oper(struct wpa_supplicant *wpa_s,
  				   enum wnm_oper oper, const u8 *peer,
  				   u8 *buf, u16 *buf_len)
  {
  	if (!wpa_s->driver->wnm_oper)
  		return -1;
  	return wpa_s->driver->wnm_oper(wpa_s->drv_priv, oper, peer, buf,
  				       buf_len);
  }
  
  static inline int wpa_drv_status(struct wpa_supplicant *wpa_s,
  				 char *buf, size_t buflen)
  {
  	if (!wpa_s->driver->status)
  		return -1;
  	return wpa_s->driver->status(wpa_s->drv_priv, buf, buflen);
  }
  
  static inline int wpa_drv_set_qos_map(struct wpa_supplicant *wpa_s,
  				      const u8 *qos_map_set, u8 qos_map_set_len)
  {
  	if (!wpa_s->driver->set_qos_map)
  		return -1;
  	return wpa_s->driver->set_qos_map(wpa_s->drv_priv, qos_map_set,
  					  qos_map_set_len);
  }
  
  static inline int wpa_drv_wowlan(struct wpa_supplicant *wpa_s,
  				 const struct wowlan_triggers *triggers)
  {
  	if (!wpa_s->driver->set_wowlan)
  		return -1;
  	return wpa_s->driver->set_wowlan(wpa_s->drv_priv, triggers);
  }
  
  static inline int wpa_drv_vendor_cmd(struct wpa_supplicant *wpa_s,
  				     int vendor_id, int subcmd, const u8 *data,
  				     size_t data_len, struct wpabuf *buf)
  {
  	if (!wpa_s->driver->vendor_cmd)
  		return -1;
  	return wpa_s->driver->vendor_cmd(wpa_s->drv_priv, vendor_id, subcmd,
  					 data, data_len, buf);
  }
  
  static inline int wpa_drv_roaming(struct wpa_supplicant *wpa_s, int allowed,
  				  const u8 *bssid)
  {
  	if (!wpa_s->driver->roaming)
  		return -1;
  	return wpa_s->driver->roaming(wpa_s->drv_priv, allowed, bssid);
  }
  
  static inline int wpa_drv_set_mac_addr(struct wpa_supplicant *wpa_s,
  				       const u8 *addr)
  {
  	if (!wpa_s->driver->set_mac_addr)
  		return -1;
  	return wpa_s->driver->set_mac_addr(wpa_s->drv_priv, addr);
  }
  
  
  #ifdef CONFIG_MACSEC
  
  static inline int wpa_drv_macsec_init(struct wpa_supplicant *wpa_s,
  				      struct macsec_init_params *params)
  {
  	if (!wpa_s->driver->macsec_init)
  		return -1;
  	return wpa_s->driver->macsec_init(wpa_s->drv_priv, params);
  }
  
  static inline int wpa_drv_macsec_deinit(struct wpa_supplicant *wpa_s)
  {
  	if (!wpa_s->driver->macsec_deinit)
  		return -1;
  	return wpa_s->driver->macsec_deinit(wpa_s->drv_priv);
  }
  
  static inline int wpa_drv_enable_protect_frames(struct wpa_supplicant *wpa_s,
  						Boolean enabled)
  {
  	if (!wpa_s->driver->enable_protect_frames)
  		return -1;
  	return wpa_s->driver->enable_protect_frames(wpa_s->drv_priv, enabled);
  }
  
  static inline int wpa_drv_set_replay_protect(struct wpa_supplicant *wpa_s,
  					     Boolean enabled, u32 window)
  {
  	if (!wpa_s->driver->set_replay_protect)
  		return -1;
  	return wpa_s->driver->set_replay_protect(wpa_s->drv_priv, enabled,
  						 window);
  }
  
  static inline int wpa_drv_set_current_cipher_suite(struct wpa_supplicant *wpa_s,
  						   const u8 *cs, size_t cs_len)
  {
  	if (!wpa_s->driver->set_current_cipher_suite)
  		return -1;
  	return wpa_s->driver->set_current_cipher_suite(wpa_s->drv_priv, cs,
  						       cs_len);
  }
  
  static inline int wpa_drv_enable_controlled_port(struct wpa_supplicant *wpa_s,
  						 Boolean enabled)
  {
  	if (!wpa_s->driver->enable_controlled_port)
  		return -1;
  	return wpa_s->driver->enable_controlled_port(wpa_s->drv_priv, enabled);
  }
  
  static inline int wpa_drv_get_receive_lowest_pn(struct wpa_supplicant *wpa_s,
  						u32 channel, u8 an,
  						u32 *lowest_pn)
  {
  	if (!wpa_s->driver->get_receive_lowest_pn)
  		return -1;
  	return wpa_s->driver->get_receive_lowest_pn(wpa_s->drv_priv, channel,
  						    an, lowest_pn);
  }
  
  static inline int wpa_drv_get_transmit_next_pn(struct wpa_supplicant *wpa_s,
  						u32 channel, u8 an,
  						u32 *next_pn)
  {
  	if (!wpa_s->driver->get_transmit_next_pn)
  		return -1;
  	return wpa_s->driver->get_transmit_next_pn(wpa_s->drv_priv, channel,
  						    an, next_pn);
  }
  
  static inline int wpa_drv_set_transmit_next_pn(struct wpa_supplicant *wpa_s,
  						u32 channel, u8 an,
  						u32 next_pn)
  {
  	if (!wpa_s->driver->set_transmit_next_pn)
  		return -1;
  	return wpa_s->driver->set_transmit_next_pn(wpa_s->drv_priv, channel,
  						    an, next_pn);
  }
  
  static inline int wpa_drv_get_available_receive_sc(struct wpa_supplicant *wpa_s,
  						   u32 *channel)
  {
  	if (!wpa_s->driver->get_available_receive_sc)
  		return -1;
  	return wpa_s->driver->get_available_receive_sc(wpa_s->drv_priv,
  						       channel);
  }
  
  static inline int
  wpa_drv_create_receive_sc(struct wpa_supplicant *wpa_s, u32 channel,
  			  const u8 *sci_addr, u16 sci_port,
  			  unsigned int conf_offset, int validation)
  {
  	if (!wpa_s->driver->create_receive_sc)
  		return -1;
  	return wpa_s->driver->create_receive_sc(wpa_s->drv_priv, channel,
  						sci_addr, sci_port, conf_offset,
  						validation);
  }
  
  static inline int wpa_drv_delete_receive_sc(struct wpa_supplicant *wpa_s,
  					    u32 channel)
  {
  	if (!wpa_s->driver->delete_receive_sc)
  		return -1;
  	return wpa_s->driver->delete_receive_sc(wpa_s->drv_priv, channel);
  }
  
  static inline int wpa_drv_create_receive_sa(struct wpa_supplicant *wpa_s,
  					    u32 channel, u8 an,
  					    u32 lowest_pn, const u8 *sak)
  {
  	if (!wpa_s->driver->create_receive_sa)
  		return -1;
  	return wpa_s->driver->create_receive_sa(wpa_s->drv_priv, channel, an,
  						lowest_pn, sak);
  }
  
  static inline int wpa_drv_enable_receive_sa(struct wpa_supplicant *wpa_s,
  					    u32 channel, u8 an)
  {
  	if (!wpa_s->driver->enable_receive_sa)
  		return -1;
  	return wpa_s->driver->enable_receive_sa(wpa_s->drv_priv, channel, an);
  }
  
  static inline int wpa_drv_disable_receive_sa(struct wpa_supplicant *wpa_s,
  					     u32 channel, u8 an)
  {
  	if (!wpa_s->driver->disable_receive_sa)
  		return -1;
  	return wpa_s->driver->disable_receive_sa(wpa_s->drv_priv, channel, an);
  }
  
  static inline int
  wpa_drv_get_available_transmit_sc(struct wpa_supplicant *wpa_s, u32 *channel)
  {
  	if (!wpa_s->driver->get_available_transmit_sc)
  		return -1;
  	return wpa_s->driver->get_available_transmit_sc(wpa_s->drv_priv,
  							channel);
  }
  
  static inline int
  wpa_drv_create_transmit_sc(struct wpa_supplicant *wpa_s, u32 channel,
  			   const u8 *sci_addr, u16 sci_port,
  			   unsigned int conf_offset)
  {
  	if (!wpa_s->driver->create_transmit_sc)
  		return -1;
  	return wpa_s->driver->create_transmit_sc(wpa_s->drv_priv, channel,
  						 sci_addr, sci_port,
  						 conf_offset);
  }
  
  static inline int wpa_drv_delete_transmit_sc(struct wpa_supplicant *wpa_s,
  					     u32 channel)
  {
  	if (!wpa_s->driver->delete_transmit_sc)
  		return -1;
  	return wpa_s->driver->delete_transmit_sc(wpa_s->drv_priv, channel);
  }
  
  static inline int wpa_drv_create_transmit_sa(struct wpa_supplicant *wpa_s,
  					     u32 channel, u8 an,
  					     u32 next_pn,
  					     Boolean confidentiality,
  					     const u8 *sak)
  {
  	if (!wpa_s->driver->create_transmit_sa)
  		return -1;
  	return wpa_s->driver->create_transmit_sa(wpa_s->drv_priv, channel, an,
  						 next_pn, confidentiality, sak);
  }
  
  static inline int wpa_drv_enable_transmit_sa(struct wpa_supplicant *wpa_s,
  					     u32 channel, u8 an)
  {
  	if (!wpa_s->driver->enable_transmit_sa)
  		return -1;
  	return wpa_s->driver->enable_transmit_sa(wpa_s->drv_priv, channel, an);
  }
  
  static inline int wpa_drv_disable_transmit_sa(struct wpa_supplicant *wpa_s,
  					      u32 channel, u8 an)
  {
  	if (!wpa_s->driver->disable_transmit_sa)
  		return -1;
  	return wpa_s->driver->disable_transmit_sa(wpa_s->drv_priv, channel, an);
  }
  #endif /* CONFIG_MACSEC */
  
  static inline int wpa_drv_setband(struct wpa_supplicant *wpa_s,
  				  enum set_band band)
  {
  	if (!wpa_s->driver->set_band)
  		return -1;
  	return wpa_s->driver->set_band(wpa_s->drv_priv, band);
  }
  
  #endif /* DRIVER_I_H */
  