text: /*
   * hostapd / Callback functions for driver wrappers
   * Copyright (c) 2002-2013, Jouni Malinen <j@w1.fi>
   *
   * This software may be distributed under the terms of the BSD license.
   * See README for more details.
   */
  
  #include "utils/includes.h"
  
  #include "utils/common.h"
  #include "utils/eloop.h"
  #include "radius/radius.h"
  #include "drivers/driver.h"
  #include "common/ieee802_11_defs.h"
  #include "common/ieee802_11_common.h"
  #include "common/wpa_ctrl.h"
  #include "common/dpp.h"
  #include "crypto/random.h"
  #include "p2p/p2p.h"
  #include "wps/wps.h"
  #include "fst/fst.h"
  #include "wnm_ap.h"
  #include "hostapd.h"
  #include "ieee802_11.h"
  #include "ieee802_11_auth.h"
  #include "sta_info.h"
  #include "accounting.h"
  #include "tkip_countermeasures.h"
  #include "ieee802_1x.h"
  #include "wpa_auth.h"
  #include "wps_hostapd.h"
  #include "ap_drv_ops.h"
  #include "ap_config.h"
  #include "ap_mlme.h"
  #include "hw_features.h"
  #include "dfs.h"
  #include "beacon.h"
  #include "mbo_ap.h"
  #include "dpp_hostapd.h"
  #include "fils_hlp.h"
  #include "neighbor_db.h"
  
  
  #ifdef CONFIG_FILS
  void hostapd_notify_assoc_fils_finish(struct hostapd_data *hapd,
  				      struct sta_info *sta)
  {
  	u16 reply_res = WLAN_STATUS_SUCCESS;
  	struct ieee802_11_elems elems;
  	u8 buf[IEEE80211_MAX_MMPDU_SIZE], *p = buf;
  	int new_assoc;
  
  	wpa_printf(MSG_DEBUG, "%s FILS: Finish association with " MACSTR,
  		   __func__, MAC2STR(sta->addr));
  	eloop_cancel_timeout(fils_hlp_timeout, hapd, sta);
  	if (!sta->fils_pending_assoc_req)
  		return;
  
  	ieee802_11_parse_elems(sta->fils_pending_assoc_req,
  			       sta->fils_pending_assoc_req_len, &elems, 0);
  	if (!elems.fils_session) {
  		wpa_printf(MSG_DEBUG, "%s failed to find FILS Session element",
  			   __func__);
  		return;
  	}
  
  	p = hostapd_eid_assoc_fils_session(sta->wpa_sm, p,
  					   elems.fils_session,
  					   sta->fils_hlp_resp);
  
  	reply_res = hostapd_sta_assoc(hapd, sta->addr,
  				      sta->fils_pending_assoc_is_reassoc,
  				      WLAN_STATUS_SUCCESS,
  				      buf, p - buf);
  	ap_sta_set_authorized(hapd, sta, 1);
  	new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
  	sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
  	sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE;
  	hostapd_set_sta_flags(hapd, sta);
  	wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FILS);
  	ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
  	hostapd_new_assoc_sta(hapd, sta, !new_assoc);
  	os_free(sta->fils_pending_assoc_req);
  	sta->fils_pending_assoc_req = NULL;
  	sta->fils_pending_assoc_req_len = 0;
  	wpabuf_free(sta->fils_hlp_resp);
  	sta->fils_hlp_resp = NULL;
  	wpabuf_free(sta->hlp_dhcp_discover);
  	sta->hlp_dhcp_discover = NULL;
  	fils_hlp_deinit(hapd);
  
  	/*
  	 * Remove the station in case transmission of a success response fails
  	 * (the STA was added associated to the driver) or if the station was
  	 * previously added unassociated.
  	 */
  	if (reply_res != WLAN_STATUS_SUCCESS || sta->added_unassoc) {
  		hostapd_drv_sta_remove(hapd, sta->addr);
  		sta->added_unassoc = 0;
  	}
  }
  #endif /* CONFIG_FILS */
  
  
  int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
  			const u8 *req_ies, size_t req_ies_len, int reassoc)
  {
  	struct sta_info *sta;
  	int new_assoc, res;
  	struct ieee802_11_elems elems;
  	const u8 *ie;
  	size_t ielen;
  #if defined(CONFIG_IEEE80211R_AP) || defined(CONFIG_IEEE80211W) || defined(CONFIG_FILS) || defined(CONFIG_OWE)
  	u8 buf[sizeof(struct ieee80211_mgmt) + 1024];
  	u8 *p = buf;
  #endif /* CONFIG_IEEE80211R_AP || CONFIG_IEEE80211W || CONFIG_FILS || CONFIG_OWE */
  	u16 reason = WLAN_REASON_UNSPECIFIED;
  	u16 status = WLAN_STATUS_SUCCESS;
  	const u8 *p2p_dev_addr = NULL;
  
  	if (addr == NULL) {
  		/*
  		 * This could potentially happen with unexpected event from the
  		 * driver wrapper. This was seen at least in one case where the
  		 * driver ended up being set to station mode while hostapd was
  		 * running, so better make sure we stop processing such an
  		 * event here.
  		 */
  		wpa_printf(MSG_DEBUG,
  			   "hostapd_notif_assoc: Skip event with no address");
  		return -1;
  	}
  	random_add_randomness(addr, ETH_ALEN);
  
  	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
  		       HOSTAPD_LEVEL_INFO, "associated");
  
  	ieee802_11_parse_elems(req_ies, req_ies_len, &elems, 0);
  	if (elems.wps_ie) {
  		ie = elems.wps_ie - 2;
  		ielen = elems.wps_ie_len + 2;
  		wpa_printf(MSG_DEBUG, "STA included WPS IE in (Re)AssocReq");
  	} else if (elems.rsn_ie) {
  		ie = elems.rsn_ie - 2;
  		ielen = elems.rsn_ie_len + 2;
  		wpa_printf(MSG_DEBUG, "STA included RSN IE in (Re)AssocReq");
  	} else if (elems.wpa_ie) {
  		ie = elems.wpa_ie - 2;
  		ielen = elems.wpa_ie_len + 2;
  		wpa_printf(MSG_DEBUG, "STA included WPA IE in (Re)AssocReq");
  #ifdef CONFIG_HS20
  	} else if (elems.osen) {
  		ie = elems.osen - 2;
  		ielen = elems.osen_len + 2;
  		wpa_printf(MSG_DEBUG, "STA included OSEN IE in (Re)AssocReq");
  #endif /* CONFIG_HS20 */
  	} else {
  		ie = NULL;
  		ielen = 0;
  		wpa_printf(MSG_DEBUG,
  			   "STA did not include WPS/RSN/WPA IE in (Re)AssocReq");
  	}
  
  	sta = ap_get_sta(hapd, addr);
  	if (sta) {
  		ap_sta_no_session_timeout(hapd, sta);
  		accounting_sta_stop(hapd, sta);
  
  		/*
  		 * Make sure that the previously registered inactivity timer
  		 * will not remove the STA immediately.
  		 */
  		sta->timeout_next = STA_NULLFUNC;
  	} else {
  		sta = ap_sta_add(hapd, addr);
  		if (sta == NULL) {
  			hostapd_drv_sta_disassoc(hapd, addr,
  						 WLAN_REASON_DISASSOC_AP_BUSY);
  			return -1;
  		}
  	}
  	sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS | WLAN_STA_WPS2);
  
  	/*
  	 * ACL configurations to the drivers (implementing AP SME and ACL
  	 * offload) without hostapd's knowledge, can result in a disconnection
  	 * though the driver accepts the connection. Skip the hostapd check for
  	 * ACL if the driver supports ACL offload to avoid potentially
  	 * conflicting ACL rules.
  	 */
  	if (hapd->iface->drv_max_acl_mac_addrs == 0 &&
  	    hostapd_check_acl(hapd, addr, NULL) != HOSTAPD_ACL_ACCEPT) {
  		wpa_printf(MSG_INFO, "STA " MACSTR " not allowed to connect",
  			   MAC2STR(addr));
  		reason = WLAN_REASON_UNSPECIFIED;
  		goto fail;
  	}
  
  #ifdef CONFIG_P2P
  	if (elems.p2p) {
  		wpabuf_free(sta->p2p_ie);
  		sta->p2p_ie = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
  							  P2P_IE_VENDOR_TYPE);
  		if (sta->p2p_ie)
  			p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie);
  	}
  #endif /* CONFIG_P2P */
  
  #ifdef CONFIG_IEEE80211N
  #ifdef NEED_AP_MLME
  	if (elems.ht_capabilities &&
  	    (hapd->iface->conf->ht_capab &
  	     HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) {
  		struct ieee80211_ht_capabilities *ht_cap =
  			(struct ieee80211_ht_capabilities *)
  			elems.ht_capabilities;
  
  		if (le_to_host16(ht_cap->ht_capabilities_info) &
  		    HT_CAP_INFO_40MHZ_INTOLERANT)
  			ht40_intolerant_add(hapd->iface, sta);
  	}
  #endif /* NEED_AP_MLME */
  #endif /* CONFIG_IEEE80211N */
  
  #ifdef CONFIG_INTERWORKING
  	if (elems.ext_capab && elems.ext_capab_len > 4) {
  		if (elems.ext_capab[4] & 0x01)
  			sta->qos_map_enabled = 1;
  	}
  #endif /* CONFIG_INTERWORKING */
  
  #ifdef CONFIG_HS20
  	wpabuf_free(sta->hs20_ie);
  	if (elems.hs20 && elems.hs20_len > 4) {
  		sta->hs20_ie = wpabuf_alloc_copy(elems.hs20 + 4,
  						 elems.hs20_len - 4);
  	} else
  		sta->hs20_ie = NULL;
  
  	wpabuf_free(sta->roaming_consortium);
  	if (elems.roaming_cons_sel)
  		sta->roaming_consortium = wpabuf_alloc_copy(
  			elems.roaming_cons_sel + 4,
  			elems.roaming_cons_sel_len - 4);
  	else
  		sta->roaming_consortium = NULL;
  #endif /* CONFIG_HS20 */
  
  #ifdef CONFIG_FST
  	wpabuf_free(sta->mb_ies);
  	if (hapd->iface->fst)
  		sta->mb_ies = mb_ies_by_info(&elems.mb_ies);
  	else
  		sta->mb_ies = NULL;
  #endif /* CONFIG_FST */
  
  	mbo_ap_check_sta_assoc(hapd, sta, &elems);
  
  	ap_copy_sta_supp_op_classes(sta, elems.supp_op_classes,
  				    elems.supp_op_classes_len);
  
  	if (hapd->conf->wpa) {
  		if (ie == NULL || ielen == 0) {
  #ifdef CONFIG_WPS
  			if (hapd->conf->wps_state) {
  				wpa_printf(MSG_DEBUG,
  					   "STA did not include WPA/RSN IE in (Re)Association Request - possible WPS use");
  				sta->flags |= WLAN_STA_MAYBE_WPS;
  				goto skip_wpa_check;
  			}
  #endif /* CONFIG_WPS */
  
  			wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA");
  			reason = WLAN_REASON_INVALID_IE;
  			status = WLAN_STATUS_INVALID_IE;
  			goto fail;
  		}
  #ifdef CONFIG_WPS
  		if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 &&
  		    os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
  			struct wpabuf *wps;
  
  			sta->flags |= WLAN_STA_WPS;
  			wps = ieee802_11_vendor_ie_concat(ie, ielen,
  							  WPS_IE_VENDOR_TYPE);
  			if (wps) {
  				if (wps_is_20(wps)) {
  					wpa_printf(MSG_DEBUG,
  						   "WPS: STA supports WPS 2.0");
  					sta->flags |= WLAN_STA_WPS2;
  				}
  				wpabuf_free(wps);
  			}
  			goto skip_wpa_check;
  		}
  #endif /* CONFIG_WPS */
  
  		if (sta->wpa_sm == NULL)
  			sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
  							sta->addr,
  							p2p_dev_addr);
  		if (sta->wpa_sm == NULL) {
  			wpa_printf(MSG_ERROR,
  				   "Failed to initialize WPA state machine");
  			return -1;
  		}
  		res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
  					  hapd->iface->freq,
  					  ie, ielen,
  					  elems.mdie, elems.mdie_len,
  					  elems.owe_dh, elems.owe_dh_len);
  		if (res != WPA_IE_OK) {
  			wpa_printf(MSG_DEBUG,
  				   "WPA/RSN information element rejected? (res %u)",
  				   res);
  			wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
  			if (res == WPA_INVALID_GROUP) {
  				reason = WLAN_REASON_GROUP_CIPHER_NOT_VALID;
  				status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID;
  			} else if (res == WPA_INVALID_PAIRWISE) {
  				reason = WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID;
  				status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID;
  			} else if (res == WPA_INVALID_AKMP) {
  				reason = WLAN_REASON_AKMP_NOT_VALID;
  				status = WLAN_STATUS_AKMP_NOT_VALID;
  			}
  #ifdef CONFIG_IEEE80211W
  			else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION) {
  				reason = WLAN_REASON_INVALID_IE;
  				status = WLAN_STATUS_INVALID_IE;
  			} else if (res == WPA_INVALID_MGMT_GROUP_CIPHER) {
  				reason = WLAN_REASON_CIPHER_SUITE_REJECTED;
  				status = WLAN_STATUS_CIPHER_REJECTED_PER_POLICY;
  			}
  #endif /* CONFIG_IEEE80211W */
  			else {
  				reason = WLAN_REASON_INVALID_IE;
  				status = WLAN_STATUS_INVALID_IE;
  			}
  			goto fail;
  		}
  #ifdef CONFIG_IEEE80211W
  		if ((sta->flags & (WLAN_STA_ASSOC | WLAN_STA_MFP)) ==
  		    (WLAN_STA_ASSOC | WLAN_STA_MFP) &&
  		    !sta->sa_query_timed_out &&
  		    sta->sa_query_count > 0)
  			ap_check_sa_query_timeout(hapd, sta);
  		if ((sta->flags & (WLAN_STA_ASSOC | WLAN_STA_MFP)) ==
  		    (WLAN_STA_ASSOC | WLAN_STA_MFP) &&
  		    !sta->sa_query_timed_out &&
  		    (sta->auth_alg != WLAN_AUTH_FT)) {
  			/*
  			 * STA has already been associated with MFP and SA
  			 * Query timeout has not been reached. Reject the
  			 * association attempt temporarily and start SA Query,
  			 * if one is not pending.
  			 */
  
  			if (sta->sa_query_count == 0)
  				ap_sta_start_sa_query(hapd, sta);
  
  			status = WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY;
  
  			p = hostapd_eid_assoc_comeback_time(hapd, sta, p);
  
  			hostapd_sta_assoc(hapd, addr, reassoc, status, buf,
  					  p - buf);
  			return 0;
  		}
  
  		if (wpa_auth_uses_mfp(sta->wpa_sm))
  			sta->flags |= WLAN_STA_MFP;
  		else
  			sta->flags &= ~WLAN_STA_MFP;
  #endif /* CONFIG_IEEE80211W */
  
  #ifdef CONFIG_IEEE80211R_AP
  		if (sta->auth_alg == WLAN_AUTH_FT) {
  			status = wpa_ft_validate_reassoc(sta->wpa_sm, req_ies,
  							 req_ies_len);
  			if (status != WLAN_STATUS_SUCCESS) {
  				if (status == WLAN_STATUS_INVALID_PMKID)
  					reason = WLAN_REASON_INVALID_IE;
  				if (status == WLAN_STATUS_INVALID_MDIE)
  					reason = WLAN_REASON_INVALID_IE;
  				if (status == WLAN_STATUS_INVALID_FTIE)
  					reason = WLAN_REASON_INVALID_IE;
  				goto fail;
  			}
  		}
  #endif /* CONFIG_IEEE80211R_AP */
  	} else if (hapd->conf->wps_state) {
  #ifdef CONFIG_WPS
  		struct wpabuf *wps;
  
  		if (req_ies)
  			wps = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
  							  WPS_IE_VENDOR_TYPE);
  		else
  			wps = NULL;
  #ifdef CONFIG_WPS_STRICT
  		if (wps && wps_validate_assoc_req(wps) < 0) {
  			reason = WLAN_REASON_INVALID_IE;
  			status = WLAN_STATUS_INVALID_IE;
  			wpabuf_free(wps);
  			goto fail;
  		}
  #endif /* CONFIG_WPS_STRICT */
  		if (wps) {
  			sta->flags |= WLAN_STA_WPS;
  			if (wps_is_20(wps)) {
  				wpa_printf(MSG_DEBUG,
  					   "WPS: STA supports WPS 2.0");
  				sta->flags |= WLAN_STA_WPS2;
  			}
  		} else
  			sta->flags |= WLAN_STA_MAYBE_WPS;
  		wpabuf_free(wps);
  #endif /* CONFIG_WPS */
  #ifdef CONFIG_HS20
  	} else if (hapd->conf->osen) {
  		if (elems.osen == NULL) {
  			hostapd_logger(
  				hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
  				HOSTAPD_LEVEL_INFO,
  				"No HS 2.0 OSEN element in association request");
  			return WLAN_STATUS_INVALID_IE;
  		}
  
  		wpa_printf(MSG_DEBUG, "HS 2.0: OSEN association");
  		if (sta->wpa_sm == NULL)
  			sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
  							sta->addr, NULL);
  		if (sta->wpa_sm == NULL) {
  			wpa_printf(MSG_WARNING,
  				   "Failed to initialize WPA state machine");
  			return WLAN_STATUS_UNSPECIFIED_FAILURE;
  		}
  		if (wpa_validate_osen(hapd->wpa_auth, sta->wpa_sm,
  				      elems.osen - 2, elems.osen_len + 2) < 0)
  			return WLAN_STATUS_INVALID_IE;
  #endif /* CONFIG_HS20 */
  	}
  
  #ifdef CONFIG_MBO
  	if (hapd->conf->mbo_enabled && (hapd->conf->wpa & 2) &&
  	    elems.mbo && sta->cell_capa && !(sta->flags & WLAN_STA_MFP) &&
  	    hapd->conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) {
  		wpa_printf(MSG_INFO,
  			   "MBO: Reject WPA2 association without PMF");
  		return WLAN_STATUS_UNSPECIFIED_FAILURE;
  	}
  #endif /* CONFIG_MBO */
  
  #ifdef CONFIG_WPS
  skip_wpa_check:
  #endif /* CONFIG_WPS */
  
  #ifdef CONFIG_IEEE80211R_AP
  	p = wpa_sm_write_assoc_resp_ies(sta->wpa_sm, buf, sizeof(buf),
  					sta->auth_alg, req_ies, req_ies_len);
  	if (!p) {
  		wpa_printf(MSG_DEBUG, "FT: Failed to write AssocResp IEs");
  		return WLAN_STATUS_UNSPECIFIED_FAILURE;
  	}
  #endif /* CONFIG_IEEE80211R_AP */
  
  #ifdef CONFIG_FILS
  	if (sta->auth_alg == WLAN_AUTH_FILS_SK ||
  	    sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
  	    sta->auth_alg == WLAN_AUTH_FILS_PK) {
  		int delay_assoc = 0;
  
  		if (!req_ies)
  			return WLAN_STATUS_UNSPECIFIED_FAILURE;
  
  		if (!wpa_fils_validate_fils_session(sta->wpa_sm, req_ies,
  						    req_ies_len,
  						    sta->fils_session)) {
  			wpa_printf(MSG_DEBUG,
  				   "FILS: Session validation failed");
  			return WLAN_STATUS_UNSPECIFIED_FAILURE;
  		}
  
  		res = wpa_fils_validate_key_confirm(sta->wpa_sm, req_ies,
  						    req_ies_len);
  		if (res < 0) {
  			wpa_printf(MSG_DEBUG,
  				   "FILS: Key Confirm validation failed");
  			return WLAN_STATUS_UNSPECIFIED_FAILURE;
  		}
  
  		if (fils_process_hlp(hapd, sta, req_ies, req_ies_len) > 0) {
  			wpa_printf(MSG_DEBUG,
  				   "FILS: Delaying Assoc Response (HLP)");
  			delay_assoc = 1;
  		} else {
  			wpa_printf(MSG_DEBUG,
  				   "FILS: Going ahead with Assoc Response (no HLP)");
  		}
  
  		if (sta) {
  			wpa_printf(MSG_DEBUG, "FILS: HLP callback cleanup");
  			eloop_cancel_timeout(fils_hlp_timeout, hapd, sta);
  			os_free(sta->fils_pending_assoc_req);
  			sta->fils_pending_assoc_req = NULL;
  			sta->fils_pending_assoc_req_len = 0;
  			wpabuf_free(sta->fils_hlp_resp);
  			sta->fils_hlp_resp = NULL;
  			sta->fils_drv_assoc_finish = 0;
  		}
  
  		if (sta && delay_assoc && status == WLAN_STATUS_SUCCESS) {
  			u8 *req_tmp;
  
  			req_tmp = os_malloc(req_ies_len);
  			if (!req_tmp) {
  				wpa_printf(MSG_DEBUG,
  					   "FILS: buffer allocation failed for assoc req");
  				goto fail;
  			}
  			os_memcpy(req_tmp, req_ies, req_ies_len);
  			sta->fils_pending_assoc_req = req_tmp;
  			sta->fils_pending_assoc_req_len = req_ies_len;
  			sta->fils_pending_assoc_is_reassoc = reassoc;
  			sta->fils_drv_assoc_finish = 1;
  			wpa_printf(MSG_DEBUG,
  				   "FILS: Waiting for HLP processing before sending (Re)Association Response frame to "
  				   MACSTR, MAC2STR(sta->addr));
  			eloop_register_timeout(
  				0, hapd->conf->fils_hlp_wait_time * 1024,
  				fils_hlp_timeout, hapd, sta);
  			return 0;
  		}
  		p = hostapd_eid_assoc_fils_session(sta->wpa_sm, p,
  						   elems.fils_session,
  						   sta->fils_hlp_resp);
  		wpa_hexdump(MSG_DEBUG, "FILS Assoc Resp BUF (IEs)",
  			    buf, p - buf);
  	}
  #endif /* CONFIG_FILS */
  
  #ifdef CONFIG_OWE
  	if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE) &&
  	    wpa_auth_sta_key_mgmt(sta->wpa_sm) == WPA_KEY_MGMT_OWE &&
  	    elems.owe_dh) {
  		u8 *npos;
  
  		npos = owe_assoc_req_process(hapd, sta,
  					     elems.owe_dh, elems.owe_dh_len,
  					     p, sizeof(buf) - (p - buf),
  					     &reason);
  		if (npos)
  			p = npos;
  		if (!npos &&
  		    reason == WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED) {
  			status = WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED;
  			hostapd_sta_assoc(hapd, addr, reassoc, status, buf,
  					  p - buf);
  			return 0;
  		}
  
  		if (!npos || reason != WLAN_STATUS_SUCCESS)
  			goto fail;
  	}
  #endif /* CONFIG_OWE */
  
  #ifdef CONFIG_DPP2
  		dpp_pfs_free(sta->dpp_pfs);
  		sta->dpp_pfs = NULL;
  
  		if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_DPP) &&
  		    hapd->conf->dpp_netaccesskey && sta->wpa_sm &&
  		    wpa_auth_sta_key_mgmt(sta->wpa_sm) == WPA_KEY_MGMT_DPP &&
  		    elems.owe_dh) {
  			sta->dpp_pfs = dpp_pfs_init(
  				wpabuf_head(hapd->conf->dpp_netaccesskey),
  				wpabuf_len(hapd->conf->dpp_netaccesskey));
  			if (!sta->dpp_pfs) {
  				wpa_printf(MSG_DEBUG,
  					   "DPP: Could not initialize PFS");
  				/* Try to continue without PFS */
  				goto pfs_fail;
  			}
  
  			if (dpp_pfs_process(sta->dpp_pfs, elems.owe_dh,
  					    elems.owe_dh_len) < 0) {
  				dpp_pfs_free(sta->dpp_pfs);
  				sta->dpp_pfs = NULL;
  				reason = WLAN_REASON_UNSPECIFIED;
  				goto fail;
  			}
  		}
  
  		wpa_auth_set_dpp_z(sta->wpa_sm, sta->dpp_pfs ?
  				   sta->dpp_pfs->secret : NULL);
  	pfs_fail:
  #endif /* CONFIG_DPP2 */
  
  #if defined(CONFIG_IEEE80211R_AP) || defined(CONFIG_FILS) || defined(CONFIG_OWE)
  	hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);
  
  	if (sta->auth_alg == WLAN_AUTH_FT ||
  	    sta->auth_alg == WLAN_AUTH_FILS_SK ||
  	    sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
  	    sta->auth_alg == WLAN_AUTH_FILS_PK)
  		ap_sta_set_authorized(hapd, sta, 1);
  #else /* CONFIG_IEEE80211R_AP || CONFIG_FILS */
  	/* Keep compiler silent about unused variables */
  	if (status) {
  	}
  #endif /* CONFIG_IEEE80211R_AP || CONFIG_FILS */
  
  	new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
  	sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
  	sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE;
  
  	hostapd_set_sta_flags(hapd, sta);
  
  	if (reassoc && (sta->auth_alg == WLAN_AUTH_FT))
  		wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FT);
  #ifdef CONFIG_FILS
  	else if (sta->auth_alg == WLAN_AUTH_FILS_SK ||
  		 sta->auth_alg == WLAN_AUTH_FILS_SK_PFS ||
  		 sta->auth_alg == WLAN_AUTH_FILS_PK)
  		wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FILS);
  #endif /* CONFIG_FILS */
  	else
  		wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
  
  	hostapd_new_assoc_sta(hapd, sta, !new_assoc);
  
  	ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
  
  #ifdef CONFIG_P2P
  	if (req_ies) {
  		p2p_group_notif_assoc(hapd->p2p_group, sta->addr,
  				      req_ies, req_ies_len);
  	}
  #endif /* CONFIG_P2P */
  
  	return 0;
  
  fail:
  #ifdef CONFIG_IEEE80211R_AP
  	hostapd_sta_assoc(hapd, addr, reassoc, status, buf, p - buf);
  #endif /* CONFIG_IEEE80211R_AP */
  	hostapd_drv_sta_disassoc(hapd, sta->addr, reason);
  	ap_free_sta(hapd, sta);
  	return -1;
  }
  
  
  void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr)
  {
  	struct sta_info *sta;
  
  	if (addr == NULL) {
  		/*
  		 * This could potentially happen with unexpected event from the
  		 * driver wrapper. This was seen at least in one case where the
  		 * driver ended up reporting a station mode event while hostapd
  		 * was running, so better make sure we stop processing such an
  		 * event here.
  		 */
  		wpa_printf(MSG_DEBUG,
  			   "hostapd_notif_disassoc: Skip event with no address");
  		return;
  	}
  
  	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
  		       HOSTAPD_LEVEL_INFO, "disassociated");
  
  	sta = ap_get_sta(hapd, addr);
  	if (sta == NULL) {
  		wpa_printf(MSG_DEBUG,
  			   "Disassociation notification for unknown STA "
  			   MACSTR, MAC2STR(addr));
  		return;
  	}
  
  	ap_sta_set_authorized(hapd, sta, 0);
  	sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
  	wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
  	sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
  	ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
  	ap_free_sta(hapd, sta);
  }
  
  
  void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr)
  {
  	struct sta_info *sta = ap_get_sta(hapd, addr);
  
  	if (!sta || !hapd->conf->disassoc_low_ack || sta->agreed_to_steer)
  		return;
  
  	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
  		       HOSTAPD_LEVEL_INFO,
  		       "disconnected due to excessive missing ACKs");
  	hostapd_drv_sta_disassoc(hapd, addr, WLAN_REASON_DISASSOC_LOW_ACK);
  	ap_sta_disassociate(hapd, sta, WLAN_REASON_DISASSOC_LOW_ACK);
  }
  
  
  void hostapd_event_sta_opmode_changed(struct hostapd_data *hapd, const u8 *addr,
  				      enum smps_mode smps_mode,
  				      enum chan_width chan_width, u8 rx_nss)
  {
  	struct sta_info *sta = ap_get_sta(hapd, addr);
  	const char *txt;
  
  	if (!sta)
  		return;
  
  	switch (smps_mode) {
  	case SMPS_AUTOMATIC:
  		txt = "automatic";
  		break;
  	case SMPS_OFF:
  		txt = "off";
  		break;
  	case SMPS_DYNAMIC:
  		txt = "dynamic";
  		break;
  	case SMPS_STATIC:
  		txt = "static";
  		break;
  	default:
  		txt = NULL;
  		break;
  	}
  	if (txt) {
  		wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_SMPS_MODE_CHANGED
  			MACSTR " %s", MAC2STR(addr), txt);
  	}
  
  	switch (chan_width) {
  	case CHAN_WIDTH_20_NOHT:
  		txt = "20(no-HT)";
  		break;
  	case CHAN_WIDTH_20:
  		txt = "20";
  		break;
  	case CHAN_WIDTH_40:
  		txt = "40";
  		break;
  	case CHAN_WIDTH_80:
  		txt = "80";
  		break;
  	case CHAN_WIDTH_80P80:
  		txt = "80+80";
  		break;
  	case CHAN_WIDTH_160:
  		txt = "160";
  		break;
  	default:
  		txt = NULL;
  		break;
  	}
  	if (txt) {
  		wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_MAX_BW_CHANGED
  			MACSTR " %s", MAC2STR(addr), txt);
  	}
  
  	if (rx_nss != 0xff) {
  		wpa_msg(hapd->msg_ctx, MSG_INFO, STA_OPMODE_N_SS_CHANGED
  			MACSTR " %d", MAC2STR(addr), rx_nss);
  	}
  }
  
  
  void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
  			     int offset, int width, int cf1, int cf2)
  {
  	/* TODO: If OCV is enabled deauth STAs that don't perform a SA Query */
  
  #ifdef NEED_AP_MLME
  	int channel, chwidth, is_dfs;
  	u8 seg0_idx = 0, seg1_idx = 0;
  	size_t i;
  
  	hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
  		       HOSTAPD_LEVEL_INFO,
  		       "driver had channel switch: freq=%d, ht=%d, vht_ch=0x%x, offset=%d, width=%d (%s), cf1=%d, cf2=%d",
  		       freq, ht, hapd->iconf->ch_switch_vht_config, offset,
  		       width, channel_width_to_string(width), cf1, cf2);
  
  	if (!hapd->iface->current_mode) {
  		hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
  			       HOSTAPD_LEVEL_WARNING,
  			       "ignore channel switch since the interface is not yet ready");
  		return;
  	}
  
  	hapd->iface->freq = freq;
  
  	channel = hostapd_hw_get_channel(hapd, freq);
  	if (!channel) {
  		hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
  			       HOSTAPD_LEVEL_WARNING,
  			       "driver switched to bad channel!");
  		return;
  	}
  
  	switch (width) {
  	case CHAN_WIDTH_80:
  		chwidth = VHT_CHANWIDTH_80MHZ;
  		break;
  	case CHAN_WIDTH_80P80:
  		chwidth = VHT_CHANWIDTH_80P80MHZ;
  		break;
  	case CHAN_WIDTH_160:
  		chwidth = VHT_CHANWIDTH_160MHZ;
  		break;
  	case CHAN_WIDTH_20_NOHT:
  	case CHAN_WIDTH_20:
  	case CHAN_WIDTH_40:
  	default:
  		chwidth = VHT_CHANWIDTH_USE_HT;
  		break;
  	}
  
  	switch (hapd->iface->current_mode->mode) {
  	case HOSTAPD_MODE_IEEE80211A:
  		if (cf1 > 5000)
  			seg0_idx = (cf1 - 5000) / 5;
  		if (cf2 > 5000)
  			seg1_idx = (cf2 - 5000) / 5;
  		break;
  	default:
  		ieee80211_freq_to_chan(cf1, &seg0_idx);
  		ieee80211_freq_to_chan(cf2, &seg1_idx);
  		break;
  	}
  
  	hapd->iconf->channel = channel;
  	hapd->iconf->ieee80211n = ht;
  	if (!ht) {
  		hapd->iconf->ieee80211ac = 0;
  	} else if (hapd->iconf->ch_switch_vht_config) {
  		/* CHAN_SWITCH VHT config */
  		if (hapd->iconf->ch_switch_vht_config &
  		    CH_SWITCH_VHT_ENABLED)
  			hapd->iconf->ieee80211ac = 1;
  		else if (hapd->iconf->ch_switch_vht_config &
  			 CH_SWITCH_VHT_DISABLED)
  			hapd->iconf->ieee80211ac = 0;
  	}
  	hapd->iconf->ch_switch_vht_config = 0;
  
  	hapd->iconf->secondary_channel = offset;
  	hapd->iconf->vht_oper_chwidth = chwidth;
  	hapd->iconf->vht_oper_centr_freq_seg0_idx = seg0_idx;
  	hapd->iconf->vht_oper_centr_freq_seg1_idx = seg1_idx;
  
  	is_dfs = ieee80211_is_dfs(freq, hapd->iface->hw_features,
  				  hapd->iface->num_hw_features);
  
  	if (hapd->csa_in_progress &&
  	    freq == hapd->cs_freq_params.freq) {
  		hostapd_cleanup_cs_params(hapd);
  		ieee802_11_set_beacon(hapd);
  
  		wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
  			"freq=%d dfs=%d", freq, is_dfs);
  	} else if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) {
  		wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED
  			"freq=%d dfs=%d", freq, is_dfs);
  	}
  
  	for (i = 0; i < hapd->iface->num_bss; i++)
  		hostapd_neighbor_set_own_report(hapd->iface->bss[i]);
  #endif /* NEED_AP_MLME */
  }
  
  
  void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
  					 const u8 *addr, int reason_code)
  {
  	switch (reason_code) {
  	case MAX_CLIENT_REACHED:
  		wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_MAX_STA MACSTR,
  			MAC2STR(addr));
  		break;
  	case BLOCKED_CLIENT:
  		wpa_msg(hapd->msg_ctx, MSG_INFO, AP_REJECTED_BLOCKED_STA MACSTR,
  			MAC2STR(addr));
  		break;
  	}
  }
  
  
  #ifdef CONFIG_ACS
  void hostapd_soft_reset(struct hostapd_data *hapd)
  {
  	u8 old_channel = hapd->iface->conf->channel;
  
  	if (hostapd_disable_iface(hapd->iface)) {
  		wpa_printf(MSG_ERROR, "ACS: sprd softap reset: disable iface failed");
  		return;
  	}
  	hapd->iface->conf->channel = 0;
  	if (hostapd_enable_iface(hapd->iface)) {
  		hapd->iface->conf->channel = old_channel;
  		wpa_printf(MSG_ERROR, "ACS: sprd softap reset: enable iface failed");
  		return;
  	}
  
  	wpa_printf(MSG_ERROR, "ACS: sprd softap reset successfully");
  }
  void hostapd_acs_channel_selected(struct hostapd_data *hapd,
  				  struct acs_selected_channels *acs_res)
  {
  	int ret, i;
  	int err = 0;
  
  	if (hapd->iconf->channel) {
  		wpa_printf(MSG_INFO, "ACS: Channel was already set to %d",
  			   hapd->iconf->channel);
  		return;
  	}
  
  	if (!hapd->iface->current_mode) {
  		for (i = 0; i < hapd->iface->num_hw_features; i++) {
  			struct hostapd_hw_modes *mode =
  				&hapd->iface->hw_features[i];
  
  			if (mode->mode == acs_res->hw_mode) {
  				hapd->iface->current_mode = mode;
  				break;
  			}
  		}
  		if (!hapd->iface->current_mode) {
  			hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
  				       HOSTAPD_LEVEL_WARNING,
  				       "driver selected to bad hw_mode");
  			err = 1;
  			goto out;
  		}
  	}
  
  	hapd->iface->freq = hostapd_hw_get_freq(hapd, acs_res->pri_channel);
  
  	if (!acs_res->pri_channel) {
  		hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
  			       HOSTAPD_LEVEL_WARNING,
  			       "driver switched to bad channel");
  		err = 1;
  		goto out;
  	}
  
  	hapd->iconf->channel = acs_res->pri_channel;
  	hapd->iconf->acs = 1;
  
  	if (acs_res->sec_channel == 0)
  		hapd->iconf->secondary_channel = 0;
  	else if (acs_res->sec_channel < acs_res->pri_channel)
  		hapd->iconf->secondary_channel = -1;
  	else if (acs_res->sec_channel > acs_res->pri_channel)
  		hapd->iconf->secondary_channel = 1;
  	else {
  		wpa_printf(MSG_ERROR, "Invalid secondary channel!");
  		err = 1;
  		goto out;
  	}
  
  	if (hapd->iface->conf->ieee80211ac) {
  		/* set defaults for backwards compatibility */
  		hapd->iconf->vht_oper_centr_freq_seg1_idx = 0;
  		hapd->iconf->vht_oper_centr_freq_seg0_idx = 0;
  		hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_USE_HT;
  		if (acs_res->ch_width == 80) {
  			hapd->iconf->vht_oper_centr_freq_seg0_idx =
  				acs_res->vht_seg0_center_ch;
  			hapd->iconf->vht_oper_chwidth = VHT_CHANWIDTH_80MHZ;
  		} else if (acs_res->ch_width == 160) {
  			if (acs_res->vht_seg1_center_ch == 0) {
  				hapd->iconf->vht_oper_centr_freq_seg0_idx =
  					acs_res->vht_seg0_center_ch;
  				hapd->iconf->vht_oper_chwidth =
  					VHT_CHANWIDTH_160MHZ;
  			} else {
  				hapd->iconf->vht_oper_centr_freq_seg0_idx =
  					acs_res->vht_seg0_center_ch;
  				hapd->iconf->vht_oper_centr_freq_seg1_idx =
  					acs_res->vht_seg1_center_ch;
  				hapd->iconf->vht_oper_chwidth =
  					VHT_CHANWIDTH_80P80MHZ;
  			}
  		}
  	}
  
  out:
  	ret = hostapd_acs_completed(hapd->iface, err);
  	if (ret) {
  		wpa_printf(MSG_ERROR,
  			   "ACS: Possibly channel configuration is invalid");
  	}
  }
  #endif /* CONFIG_ACS */
  
  
  int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
  			 const u8 *bssid, const u8 *ie, size_t ie_len,
  			 int ssi_signal)
  {
  	size_t i;
  	int ret = 0;
  
  	if (sa == NULL || ie == NULL)
  		return -1;
  
  	random_add_randomness(sa, ETH_ALEN);
  	for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) {
  		if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
  					    sa, da, bssid, ie, ie_len,
  					    ssi_signal) > 0) {
  			ret = 1;
  			break;
  		}
  	}
  	return ret;
  }
  
  
  #ifdef HOSTAPD
  
  #ifdef CONFIG_IEEE80211R_AP
  static void hostapd_notify_auth_ft_finish(void *ctx, const u8 *dst,
  					  const u8 *bssid,
  					  u16 auth_transaction, u16 status,
  					  const u8 *ies, size_t ies_len)
  {
  	struct hostapd_data *hapd = ctx;
  	struct sta_info *sta;
  
  	sta = ap_get_sta(hapd, dst);
  	if (sta == NULL)
  		return;
  
  	hostapd_logger(hapd, dst, HOSTAPD_MODULE_IEEE80211,
  		       HOSTAPD_LEVEL_DEBUG, "authentication OK (FT)");
  	sta->flags |= WLAN_STA_AUTH;
  
  	hostapd_sta_auth(hapd, dst, auth_transaction, status, ies, ies_len);
  }
  #endif /* CONFIG_IEEE80211R_AP */
  
  
  #ifdef CONFIG_FILS
  static void hostapd_notify_auth_fils_finish(struct hostapd_data *hapd,
  					    struct sta_info *sta, u16 resp,
  					    struct wpabuf *data, int pub)
  {
  	if (resp == WLAN_STATUS_SUCCESS) {
  		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
  			       HOSTAPD_LEVEL_DEBUG, "authentication OK (FILS)");
  		sta->flags |= WLAN_STA_AUTH;
  		wpa_auth_sm_event(sta->wpa_sm, WPA_AUTH);
  		sta->auth_alg = WLAN_AUTH_FILS_SK;
  		mlme_authenticate_indication(hapd, sta);
  	} else {
  		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
  			       HOSTAPD_LEVEL_DEBUG,
  			       "authentication failed (FILS)");
  	}
  
  	hostapd_sta_auth(hapd, sta->addr, 2, resp,
  			 data ? wpabuf_head(data) : NULL,
  			 data ? wpabuf_len(data) : 0);
  	wpabuf_free(data);
  }
  #endif /* CONFIG_FILS */
  
  
  static void hostapd_notif_auth(struct hostapd_data *hapd,
  			       struct auth_info *rx_auth)
  {
  	struct sta_info *sta;
  	u16 status = WLAN_STATUS_SUCCESS;
  	u8 resp_ies[2 + WLAN_AUTH_CHALLENGE_LEN];
  	size_t resp_ies_len = 0;
  
  	sta = ap_get_sta(hapd, rx_auth->peer);
  	if (!sta) {
  		sta = ap_sta_add(hapd, rx_auth->peer);
  		if (sta == NULL) {
  			status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
  			goto fail;
  		}
  	}
  	sta->flags &= ~WLAN_STA_PREAUTH;
  	ieee802_1x_notify_pre_auth(sta->eapol_sm, 0);
  #ifdef CONFIG_IEEE80211R_AP
  	if (rx_auth->auth_type == WLAN_AUTH_FT && hapd->wpa_auth) {
  		sta->auth_alg = WLAN_AUTH_FT;
  		if (sta->wpa_sm == NULL)
  			sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
  							sta->addr, NULL);
  		if (sta->wpa_sm == NULL) {
  			wpa_printf(MSG_DEBUG,
  				   "FT: Failed to initialize WPA state machine");
  			status = WLAN_STATUS_UNSPECIFIED_FAILURE;
  			goto fail;
  		}
  		wpa_ft_process_auth(sta->wpa_sm, rx_auth->bssid,
  				    rx_auth->auth_transaction, rx_auth->ies,
  				    rx_auth->ies_len,
  				    hostapd_notify_auth_ft_finish, hapd);
  		return;
  	}
  #endif /* CONFIG_IEEE80211R_AP */
  
  #ifdef CONFIG_FILS
  	if (rx_auth->auth_type == WLAN_AUTH_FILS_SK) {
  		sta->auth_alg = WLAN_AUTH_FILS_SK;
  		handle_auth_fils(hapd, sta, rx_auth->ies, rx_auth->ies_len,
  				 rx_auth->auth_type, rx_auth->auth_transaction,
  				 rx_auth->status_code,
  				 hostapd_notify_auth_fils_finish);
  		return;
  	}
  #endif /* CONFIG_FILS */
  
  fail:
  	hostapd_sta_auth(hapd, rx_auth->peer, rx_auth->auth_transaction + 1,
  			 status, resp_ies, resp_ies_len);
  }
  
  
  #ifndef NEED_AP_MLME
  static void hostapd_action_rx(struct hostapd_data *hapd,
  			      struct rx_mgmt *drv_mgmt)
  {
  	struct ieee80211_mgmt *mgmt;
  	struct sta_info *sta;
  	size_t plen __maybe_unused;
  	u16 fc;
  	u8 *action __maybe_unused;
  
  	if (drv_mgmt->frame_len < IEEE80211_HDRLEN + 2 + 1)
  		return;
  
  	plen = drv_mgmt->frame_len - IEEE80211_HDRLEN;
  
  	mgmt = (struct ieee80211_mgmt *) drv_mgmt->frame;
  	fc = le_to_host16(mgmt->frame_control);
  	if (WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION)
  		return; /* handled by the driver */
  
  	action = (u8 *) &mgmt->u.action.u;
  	wpa_printf(MSG_DEBUG, "RX_ACTION category %u action %u sa " MACSTR
  		   " da " MACSTR " plen %d",
  		   mgmt->u.action.category, *action,
  		   MAC2STR(mgmt->sa), MAC2STR(mgmt->da), (int) plen);
  
  	sta = ap_get_sta(hapd, mgmt->sa);
  	if (sta == NULL) {
  		wpa_printf(MSG_DEBUG, "%s: station not found", __func__);
  		return;
  	}
  #ifdef CONFIG_IEEE80211R_AP
  	if (mgmt->u.action.category == WLAN_ACTION_FT) {
  		wpa_ft_action_rx(sta->wpa_sm, (u8 *) &mgmt->u.action, plen);
  		return;
  	}
  #endif /* CONFIG_IEEE80211R_AP */
  #ifdef CONFIG_IEEE80211W
  	if (mgmt->u.action.category == WLAN_ACTION_SA_QUERY) {
  		ieee802_11_sa_query_action(hapd, mgmt, drv_mgmt->frame_len);
  		return;
  	}
  #endif /* CONFIG_IEEE80211W */
  #ifdef CONFIG_WNM_AP
  	if (mgmt->u.action.category == WLAN_ACTION_WNM) {
  		ieee802_11_rx_wnm_action_ap(hapd, mgmt, drv_mgmt->frame_len);
  		return;
  	}
  #endif /* CONFIG_WNM_AP */
  #ifdef CONFIG_FST
  	if (mgmt->u.action.category == WLAN_ACTION_FST && hapd->iface->fst) {
  		fst_rx_action(hapd->iface->fst, mgmt, drv_mgmt->frame_len);
  		return;
  	}
  #endif /* CONFIG_FST */
  #ifdef CONFIG_DPP
  	if (plen >= 2 + 4 &&
  	    mgmt->u.action.u.vs_public_action.action ==
  	    WLAN_PA_VENDOR_SPECIFIC &&
  	    WPA_GET_BE24(mgmt->u.action.u.vs_public_action.oui) ==
  	    OUI_WFA &&
  	    mgmt->u.action.u.vs_public_action.variable[0] ==
  	    DPP_OUI_TYPE) {
  		const u8 *pos, *end;
  
  		pos = mgmt->u.action.u.vs_public_action.oui;
  		end = drv_mgmt->frame + drv_mgmt->frame_len;
  		hostapd_dpp_rx_action(hapd, mgmt->sa, pos, end - pos,
  				      drv_mgmt->freq);
  		return;
  	}
  #endif /* CONFIG_DPP */
  }
  #endif /* NEED_AP_MLME */
  
  
  #ifdef NEED_AP_MLME
  
  #define HAPD_BROADCAST ((struct hostapd_data *) -1)
  
  static struct hostapd_data * get_hapd_bssid(struct hostapd_iface *iface,
  					    const u8 *bssid)
  {
  	size_t i;
  
  	if (bssid == NULL)
  		return NULL;
  	if (bssid[0] == 0xff && bssid[1] == 0xff && bssid[2] == 0xff &&
  	    bssid[3] == 0xff && bssid[4] == 0xff && bssid[5] == 0xff)
  		return HAPD_BROADCAST;
  
  	for (i = 0; i < iface->num_bss; i++) {
  		if (os_memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0)
  			return iface->bss[i];
  	}
  
  	return NULL;
  }
  
  
  static void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd,
  					const u8 *bssid, const u8 *addr,
  					int wds)
  {
  	hapd = get_hapd_bssid(hapd->iface, bssid);
  	if (hapd == NULL || hapd == HAPD_BROADCAST)
  		return;
  
  	ieee802_11_rx_from_unknown(hapd, addr, wds);
  }
  
  
  static int hostapd_mgmt_rx(struct hostapd_data *hapd, struct rx_mgmt *rx_mgmt)
  {
  	struct hostapd_iface *iface = hapd->iface;
  	const struct ieee80211_hdr *hdr;
  	const u8 *bssid;
  	struct hostapd_frame_info fi;
  	int ret;
  
  #ifdef CONFIG_TESTING_OPTIONS
  	if (hapd->ext_mgmt_frame_handling) {
  		size_t hex_len = 2 * rx_mgmt->frame_len + 1;
  		char *hex = os_malloc(hex_len);
  
  		if (hex) {
  			wpa_snprintf_hex(hex, hex_len, rx_mgmt->frame,
  					 rx_mgmt->frame_len);
  			wpa_msg(hapd->msg_ctx, MSG_INFO, "MGMT-RX %s", hex);
  			os_free(hex);
  		}
  		return 1;
  	}
  #endif /* CONFIG_TESTING_OPTIONS */
  
  	hdr = (const struct ieee80211_hdr *) rx_mgmt->frame;
  	bssid = get_hdr_bssid(hdr, rx_mgmt->frame_len);
  	if (bssid == NULL)
  		return 0;
  
  	hapd = get_hapd_bssid(iface, bssid);
  	if (hapd == NULL) {
  		u16 fc = le_to_host16(hdr->frame_control);
  
  		/*
  		 * Drop frames to unknown BSSIDs except for Beacon frames which
  		 * could be used to update neighbor information.
  		 */
  		if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
  		    WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
  			hapd = iface->bss[0];
  		else
  			return 0;
  	}
  
  	os_memset(&fi, 0, sizeof(fi));
  	fi.freq = rx_mgmt->freq;
  	fi.datarate = rx_mgmt->datarate;
  	fi.ssi_signal = rx_mgmt->ssi_signal;
  
  	if (hapd == HAPD_BROADCAST) {
  		size_t i;
  
  		ret = 0;
  		for (i = 0; i < iface->num_bss; i++) {
  			/* if bss is set, driver will call this function for
  			 * each bss individually. */
  			if (rx_mgmt->drv_priv &&
  			    (iface->bss[i]->drv_priv != rx_mgmt->drv_priv))
  				continue;
  
  			if (ieee802_11_mgmt(iface->bss[i], rx_mgmt->frame,
  					    rx_mgmt->frame_len, &fi) > 0)
  				ret = 1;
  		}
  	} else
  		ret = ieee802_11_mgmt(hapd, rx_mgmt->frame, rx_mgmt->frame_len,
  				      &fi);
  
  	random_add_randomness(&fi, sizeof(fi));
  
  	return ret;
  }
  
  
  static void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, const u8 *buf,
  			       size_t len, u16 stype, int ok)
  {
  	struct ieee80211_hdr *hdr;
  	struct hostapd_data *orig_hapd = hapd;
  
  	hdr = (struct ieee80211_hdr *) buf;
  	hapd = get_hapd_bssid(hapd->iface, get_hdr_bssid(hdr, len));
  	if (!hapd)
  		return;
  	if (hapd == HAPD_BROADCAST) {
  		if (stype != WLAN_FC_STYPE_ACTION || len <= 25 ||
  		    buf[24] != WLAN_ACTION_PUBLIC)
  			return;
  		hapd = get_hapd_bssid(orig_hapd->iface, hdr->addr2);
  		if (!hapd || hapd == HAPD_BROADCAST)
  			return;
  		/*
  		 * Allow processing of TX status for a Public Action frame that
  		 * used wildcard BBSID.
  		 */
  	}
  	ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
  }
  
  #endif /* NEED_AP_MLME */
  
  
  static int hostapd_event_new_sta(struct hostapd_data *hapd, const u8 *addr)
  {
  	struct sta_info *sta = ap_get_sta(hapd, addr);
  
  	if (sta)
  		return 0;
  
  	wpa_printf(MSG_DEBUG, "Data frame from unknown STA " MACSTR
  		   " - adding a new STA", MAC2STR(addr));
  	sta = ap_sta_add(hapd, addr);
  	if (sta) {
  		hostapd_new_assoc_sta(hapd, sta, 0);
  	} else {
  		wpa_printf(MSG_DEBUG, "Failed to add STA entry for " MACSTR,
  			   MAC2STR(addr));
  		return -1;
  	}
  
  	return 0;
  }
  
  
  static void hostapd_event_eapol_rx(struct hostapd_data *hapd, const u8 *src,
  				   const u8 *data, size_t data_len)
  {
  	struct hostapd_iface *iface = hapd->iface;
  	struct sta_info *sta;
  	size_t j;
  
  	for (j = 0; j < iface->num_bss; j++) {
  		sta = ap_get_sta(iface->bss[j], src);
  		if (sta && sta->flags & WLAN_STA_ASSOC) {
  			hapd = iface->bss[j];
  			break;
  		}
  	}
  
  	ieee802_1x_receive(hapd, src, data, data_len);
  }
  
  #endif /* HOSTAPD */
  
  
  static struct hostapd_channel_data * hostapd_get_mode_channel(
  	struct hostapd_iface *iface, unsigned int freq)
  {
  	int i;
  	struct hostapd_channel_data *chan;
  
  	for (i = 0; i < iface->current_mode->num_channels; i++) {
  		chan = &iface->current_mode->channels[i];
  		if ((unsigned int) chan->freq == freq)
  			return chan;
  	}
  
  	return NULL;
  }
  
  
  static void hostapd_update_nf(struct hostapd_iface *iface,
  			      struct hostapd_channel_data *chan,
  			      struct freq_survey *survey)
  {
  	if (!iface->chans_surveyed) {
  		chan->min_nf = survey->nf;
  		iface->lowest_nf = survey->nf;
  	} else {
  		if (dl_list_empty(&chan->survey_list))
  			chan->min_nf = survey->nf;
  		else if (survey->nf < chan->min_nf)
  			chan->min_nf = survey->nf;
  		if (survey->nf < iface->lowest_nf)
  			iface->lowest_nf = survey->nf;
  	}
  }
  
  
  static void hostapd_single_channel_get_survey(struct hostapd_iface *iface,
  					      struct survey_results *survey_res)
  {
  	struct hostapd_channel_data *chan;
  	struct freq_survey *survey;
  	u64 divisor, dividend;
  
  	survey = dl_list_first(&survey_res->survey_list, struct freq_survey,
  			       list);
  	if (!survey || !survey->freq)
  		return;
  
  	chan = hostapd_get_mode_channel(iface, survey->freq);
  	if (!chan || chan->flag & HOSTAPD_CHAN_DISABLED)
  		return;
  
  	wpa_printf(MSG_DEBUG,
  		   "Single Channel Survey: (freq=%d channel_time=%ld channel_time_busy=%ld)",
  		   survey->freq,
  		   (unsigned long int) survey->channel_time,
  		   (unsigned long int) survey->channel_time_busy);
  
  	if (survey->channel_time > iface->last_channel_time &&
  	    survey->channel_time > survey->channel_time_busy) {
  		dividend = survey->channel_time_busy -
  			iface->last_channel_time_busy;
  		divisor = survey->channel_time - iface->last_channel_time;
  
  		iface->channel_utilization = dividend * 255 / divisor;
  		wpa_printf(MSG_DEBUG, "Channel Utilization: %d",
  			   iface->channel_utilization);
  	}
  	iface->last_channel_time = survey->channel_time;
  	iface->last_channel_time_busy = survey->channel_time_busy;
  }
  
  
  void hostapd_event_get_survey(struct hostapd_iface *iface,
  			      struct survey_results *survey_results)
  {
  	struct freq_survey *survey, *tmp;
  	struct hostapd_channel_data *chan;
  
  	if (dl_list_empty(&survey_results->survey_list)) {
  		wpa_printf(MSG_DEBUG, "No survey data received");
  		return;
  	}
  
  	if (survey_results->freq_filter) {
  		hostapd_single_channel_get_survey(iface, survey_results);
  		return;
  	}
  
  	dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
  			      struct freq_survey, list) {
  		chan = hostapd_get_mode_channel(iface, survey->freq);
  		if (!chan)
  			continue;
  		if (chan->flag & HOSTAPD_CHAN_DISABLED)
  			continue;
  
  		dl_list_del(&survey->list);
  		dl_list_add_tail(&chan->survey_list, &survey->list);
  
  		hostapd_update_nf(iface, chan, survey);
  
  		iface->chans_surveyed++;
  	}
  }
  
  
  #ifdef HOSTAPD
  #ifdef NEED_AP_MLME
  
  static void hostapd_event_iface_unavailable(struct hostapd_data *hapd)
  {
  	wpa_printf(MSG_DEBUG, "Interface %s is unavailable -- stopped",
  		   hapd->conf->iface);
  
  	if (hapd->csa_in_progress) {
  		wpa_printf(MSG_INFO, "CSA failed (%s was stopped)",
  			   hapd->conf->iface);
  		hostapd_switch_channel_fallback(hapd->iface,
  						&hapd->cs_freq_params);
  	}
  }
  
  
  static void hostapd_event_dfs_radar_detected(struct hostapd_data *hapd,
  					     struct dfs_event *radar)
  {
  	wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
  	hostapd_dfs_radar_detected(hapd->iface, radar->freq, radar->ht_enabled,
  				   radar->chan_offset, radar->chan_width,
  				   radar->cf1, radar->cf2);
  }
  
  
  static void hostapd_event_dfs_pre_cac_expired(struct hostapd_data *hapd,
  					      struct dfs_event *radar)
  {
  	wpa_printf(MSG_DEBUG, "DFS Pre-CAC expired on %d MHz", radar->freq);
  	hostapd_dfs_pre_cac_expired(hapd->iface, radar->freq, radar->ht_enabled,
  				    radar->chan_offset, radar->chan_width,
  				    radar->cf1, radar->cf2);
  }
  
  
  static void hostapd_event_dfs_cac_finished(struct hostapd_data *hapd,
  					   struct dfs_event *radar)
  {
  	wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
  	hostapd_dfs_complete_cac(hapd->iface, 1, radar->freq, radar->ht_enabled,
  				 radar->chan_offset, radar->chan_width,
  				 radar->cf1, radar->cf2);
  }
  
  
  static void hostapd_event_dfs_cac_aborted(struct hostapd_data *hapd,
  					  struct dfs_event *radar)
  {
  	wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
  	hostapd_dfs_complete_cac(hapd->iface, 0, radar->freq, radar->ht_enabled,
  				 radar->chan_offset, radar->chan_width,
  				 radar->cf1, radar->cf2);
  }
  
  
  static void hostapd_event_dfs_nop_finished(struct hostapd_data *hapd,
  					   struct dfs_event *radar)
  {
  	wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
  	hostapd_dfs_nop_finished(hapd->iface, radar->freq, radar->ht_enabled,
  				 radar->chan_offset, radar->chan_width,
  				 radar->cf1, radar->cf2);
  }
  
  
  static void hostapd_event_dfs_cac_started(struct hostapd_data *hapd,
  					  struct dfs_event *radar)
  {
  	wpa_printf(MSG_DEBUG, "DFS offload CAC started on %d MHz", radar->freq);
  	hostapd_dfs_start_cac(hapd->iface, radar->freq, radar->ht_enabled,
  			      radar->chan_offset, radar->chan_width,
  			      radar->cf1, radar->cf2);
  }
  
  #endif /* NEED_AP_MLME */
  
  
  static void hostapd_event_wds_sta_interface_status(struct hostapd_data *hapd,
  						   int istatus,
  						   const char *ifname,
  						   const u8 *addr)
  {
  	struct sta_info *sta = ap_get_sta(hapd, addr);
  
  	if (sta) {
  		os_free(sta->ifname_wds);
  		if (istatus == INTERFACE_ADDED)
  			sta->ifname_wds = os_strdup(ifname);
  		else
  			sta->ifname_wds = NULL;
  	}
  
  	wpa_msg(hapd->msg_ctx, MSG_INFO, "%sifname=%s sta_addr=" MACSTR,
  		istatus == INTERFACE_ADDED ?
  		WDS_STA_INTERFACE_ADDED : WDS_STA_INTERFACE_REMOVED,
  		ifname, MAC2STR(addr));
  }
  
  
  void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
  			  union wpa_event_data *data)
  {
  	struct hostapd_data *hapd = ctx;
  #ifndef CONFIG_NO_STDOUT_DEBUG
  	int level = MSG_DEBUG;
  
  	if (event == EVENT_RX_MGMT && data->rx_mgmt.frame &&
  	    data->rx_mgmt.frame_len >= 24) {
  		const struct ieee80211_hdr *hdr;
  		u16 fc;
  
  		hdr = (const struct ieee80211_hdr *) data->rx_mgmt.frame;
  		fc = le_to_host16(hdr->frame_control);
  		if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
  		    WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_BEACON)
  			level = MSG_EXCESSIVE;
  		if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
  		    WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_REQ)
  			level = MSG_EXCESSIVE;
  	}
  
  	wpa_dbg(hapd->msg_ctx, level, "Event %s (%d) received",
  		event_to_string(event), event);
  #endif /* CONFIG_NO_STDOUT_DEBUG */
  
  	switch (event) {
  	case EVENT_MICHAEL_MIC_FAILURE:
  		michael_mic_failure(hapd, data->michael_mic_failure.src, 1);
  		break;
  	case EVENT_SCAN_RESULTS:
  		if (hapd->iface->scan_cb)
  			hapd->iface->scan_cb(hapd->iface);
  		break;
  	case EVENT_WPS_BUTTON_PUSHED:
  		hostapd_wps_button_pushed(hapd, NULL);
  		break;
  #ifdef NEED_AP_MLME
  	case EVENT_TX_STATUS:
  		switch (data->tx_status.type) {
  		case WLAN_FC_TYPE_MGMT:
  			hostapd_mgmt_tx_cb(hapd, data->tx_status.data,
  					   data->tx_status.data_len,
  					   data->tx_status.stype,
  					   data->tx_status.ack);
  			break;
  		case WLAN_FC_TYPE_DATA:
  			hostapd_tx_status(hapd, data->tx_status.dst,
  					  data->tx_status.data,
  					  data->tx_status.data_len,
  					  data->tx_status.ack);
  			break;
  		}
  		break;
  	case EVENT_EAPOL_TX_STATUS:
  		hostapd_eapol_tx_status(hapd, data->eapol_tx_status.dst,
  					data->eapol_tx_status.data,
  					data->eapol_tx_status.data_len,
  					data->eapol_tx_status.ack);
  		break;
  	case EVENT_DRIVER_CLIENT_POLL_OK:
  		hostapd_client_poll_ok(hapd, data->client_poll.addr);
  		break;
  	case EVENT_RX_FROM_UNKNOWN:
  		hostapd_rx_from_unknown_sta(hapd, data->rx_from_unknown.bssid,
  					    data->rx_from_unknown.addr,
  					    data->rx_from_unknown.wds);
  		break;
  #endif /* NEED_AP_MLME */
  	case EVENT_RX_MGMT:
  		if (!data->rx_mgmt.frame)
  			break;
  #ifdef NEED_AP_MLME
  		hostapd_mgmt_rx(hapd, &data->rx_mgmt);
  #else /* NEED_AP_MLME */
  		hostapd_action_rx(hapd, &data->rx_mgmt);
  #endif /* NEED_AP_MLME */
  		break;
  	case EVENT_RX_PROBE_REQ:
  		if (data->rx_probe_req.sa == NULL ||
  		    data->rx_probe_req.ie == NULL)
  			break;
  		hostapd_probe_req_rx(hapd, data->rx_probe_req.sa,
  				     data->rx_probe_req.da,
  				     data->rx_probe_req.bssid,
  				     data->rx_probe_req.ie,
  				     data->rx_probe_req.ie_len,
  				     data->rx_probe_req.ssi_signal);
  		break;
  	case EVENT_NEW_STA:
  		hostapd_event_new_sta(hapd, data->new_sta.addr);
  		break;
  	case EVENT_EAPOL_RX:
  		hostapd_event_eapol_rx(hapd, data->eapol_rx.src,
  				       data->eapol_rx.data,
  				       data->eapol_rx.data_len);
  		break;
  	case EVENT_ASSOC:
  		if (!data)
  			return;
  		hostapd_notif_assoc(hapd, data->assoc_info.addr,
  				    data->assoc_info.req_ies,
  				    data->assoc_info.req_ies_len,
  				    data->assoc_info.reassoc);
  		break;
  	case EVENT_DISASSOC:
  		if (data)
  			hostapd_notif_disassoc(hapd, data->disassoc_info.addr);
  		break;
  	case EVENT_DEAUTH:
  		if (data)
  			hostapd_notif_disassoc(hapd, data->deauth_info.addr);
  		break;
  	case EVENT_STATION_LOW_ACK:
  		if (!data)
  			break;
  		hostapd_event_sta_low_ack(hapd, data->low_ack.addr);
  		break;
  	case EVENT_AUTH:
  		hostapd_notif_auth(hapd, &data->auth);
  		break;
  	case EVENT_CH_SWITCH:
  		if (!data)
  			break;
  		hostapd_event_ch_switch(hapd, data->ch_switch.freq,
  					data->ch_switch.ht_enabled,
  					data->ch_switch.ch_offset,
  					data->ch_switch.ch_width,
  					data->ch_switch.cf1,
  					data->ch_switch.cf2);
  		break;
  	case EVENT_CONNECT_FAILED_REASON:
  		if (!data)
  			break;
  		hostapd_event_connect_failed_reason(
  			hapd, data->connect_failed_reason.addr,
  			data->connect_failed_reason.code);
  		break;
  	case EVENT_SURVEY:
  		hostapd_event_get_survey(hapd->iface, &data->survey_results);
  		break;
  #ifdef NEED_AP_MLME
  	case EVENT_INTERFACE_UNAVAILABLE:
  		hostapd_event_iface_unavailable(hapd);
  		break;
  	case EVENT_DFS_RADAR_DETECTED:
  		if (!data)
  			break;
  		hostapd_event_dfs_radar_detected(hapd, &data->dfs_event);
  		break;
  	case EVENT_DFS_PRE_CAC_EXPIRED:
  		if (!data)
  			break;
  		hostapd_event_dfs_pre_cac_expired(hapd, &data->dfs_event);
  		break;
  	case EVENT_DFS_CAC_FINISHED:
  		if (!data)
  			break;
  		hostapd_event_dfs_cac_finished(hapd, &data->dfs_event);
  		break;
  	case EVENT_DFS_CAC_ABORTED:
  		if (!data)
  			break;
  		hostapd_event_dfs_cac_aborted(hapd, &data->dfs_event);
  		break;
  	case EVENT_DFS_NOP_FINISHED:
  		if (!data)
  			break;
  		hostapd_event_dfs_nop_finished(hapd, &data->dfs_event);
  		break;
  	case EVENT_CHANNEL_LIST_CHANGED:
  		/* channel list changed (regulatory?), update channel list */
  		/* TODO: check this. hostapd_get_hw_features() initializes
  		 * too much stuff. */
  		/* hostapd_get_hw_features(hapd->iface); */
  		hostapd_channel_list_updated(
  			hapd->iface, data->channel_list_changed.initiator);
  		break;
  	case EVENT_DFS_CAC_STARTED:
  		if (!data)
  			break;
  		hostapd_event_dfs_cac_started(hapd, &data->dfs_event);
  		break;
  #endif /* NEED_AP_MLME */
  	case EVENT_INTERFACE_ENABLED:
  		wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_ENABLED);
  		if (hapd->disabled && hapd->started) {
  			hapd->disabled = 0;
  			/*
  			 * Try to re-enable interface if the driver stopped it
  			 * when the interface got disabled.
  			 */
  			if (hapd->wpa_auth)
  				wpa_auth_reconfig_group_keys(hapd->wpa_auth);
  			else
  				hostapd_reconfig_encryption(hapd);
  			hapd->reenable_beacon = 1;
  			ieee802_11_set_beacon(hapd);
  #ifdef NEED_AP_MLME
  		} else if (hapd->disabled && hapd->iface->cac_started) {
  			wpa_printf(MSG_DEBUG, "DFS: restarting pending CAC");
  			hostapd_handle_dfs(hapd->iface);
  #endif /* NEED_AP_MLME */
  		}
  		break;
  	case EVENT_INTERFACE_DISABLED:
  		hostapd_free_stas(hapd);
  		wpa_msg(hapd->msg_ctx, MSG_INFO, INTERFACE_DISABLED);
  		hapd->disabled = 1;
  		break;
  #ifdef CONFIG_ACS
  	case EVENT_ACS_CHANNEL_SELECTED:
  		hostapd_acs_channel_selected(hapd,
  					     &data->acs_selected_channels);
  		break;
  	case EVENT_SPRD_SOFT_RESET:
  		hostapd_soft_reset(hapd);
  		break;
  #endif /* CONFIG_ACS */
  	case EVENT_STATION_OPMODE_CHANGED:
  		hostapd_event_sta_opmode_changed(hapd, data->sta_opmode.addr,
  						 data->sta_opmode.smps_mode,
  						 data->sta_opmode.chan_width,
  						 data->sta_opmode.rx_nss);
  		break;
  	case EVENT_WDS_STA_INTERFACE_STATUS:
  		hostapd_event_wds_sta_interface_status(
  			hapd, data->wds_sta_interface.istatus,
  			data->wds_sta_interface.ifname,
  			data->wds_sta_interface.sta_addr);
  		break;
  	default:
  		wpa_printf(MSG_DEBUG, "Unknown event %d", event);
  		break;
  	}
  }
  
  
  void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event,
  				 union wpa_event_data *data)
  {
  	struct hapd_interfaces *interfaces = ctx;
  	struct hostapd_data *hapd;
  
  	if (event != EVENT_INTERFACE_STATUS)
  		return;
  
  	hapd = hostapd_get_iface(interfaces, data->interface_status.ifname);
  	if (hapd && hapd->driver && hapd->driver->get_ifindex &&
  	    hapd->drv_priv) {
  		unsigned int ifindex;
  
  		ifindex = hapd->driver->get_ifindex(hapd->drv_priv);
  		if (ifindex != data->interface_status.ifindex) {
  			wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
  				"interface status ifindex %d mismatch (%d)",
  				ifindex, data->interface_status.ifindex);
  			return;
  		}
  	}
  	if (hapd)
  		wpa_supplicant_event(hapd, event, data);
  }
  
  #endif /* HOSTAPD */
  