diff --git a/hostapd/Makefile b/hostapd/Makefile
index 45afedf..fd3105e 100644
--- a/hostapd/Makefile
+++ b/hostapd/Makefile
@@ -140,6 +140,10 @@
 CFLAGS += -DCONFIG_ELOOP_EPOLL
 endif
 
+ifdef CONFIG_ELOOP_KQUEUE
+CFLAGS += -DCONFIG_ELOOP_KQUEUE
+endif
+
 OBJS += ../src/utils/common.o
 OBJS_c += ../src/utils/common.o
 OBJS += ../src/utils/wpa_debug.o
diff --git a/hostapd/hostapd_cli.c b/hostapd/hostapd_cli.c
index 52dfc9f..7e6ac23 100644
--- a/hostapd/hostapd_cli.c
+++ b/hostapd/hostapd_cli.c
@@ -1444,7 +1444,7 @@
 		}
 	}
 
-	if (daemonize && os_daemonize(pid_file))
+	if (daemonize && os_daemonize(pid_file) && eloop_sock_requeue())
 		return -1;
 
 	if (interactive)
diff --git a/hostapd/main.c b/hostapd/main.c
index 4913cbd..1b9002c 100644
--- a/hostapd/main.c
+++ b/hostapd/main.c
@@ -408,9 +408,16 @@
 	}
 #endif /* EAP_SERVER_TNC */
 
-	if (daemonize && os_daemonize(pid_file)) {
-		wpa_printf(MSG_ERROR, "daemon: %s", strerror(errno));
-		return -1;
+	if (daemonize) {
+		if (os_daemonize(pid_file)) {
+			wpa_printf(MSG_ERROR, "daemon: %s", strerror(errno));
+			return -1;
+		}
+		if (eloop_sock_requeue()) {
+			wpa_printf(MSG_ERROR, "eloop_sock_requeue: %s",
+				   strerror(errno));
+			return -1;
+		}
 	}
 
 	eloop_run();
diff --git a/src/ap/accounting.c b/src/ap/accounting.c
index c60b3a6..f3ce121 100644
--- a/src/ap/accounting.c
+++ b/src/ap/accounting.c
@@ -41,6 +41,7 @@
 	size_t len;
 	int i;
 	struct wpabuf *b;
+	struct os_time now;
 
 	msg = radius_msg_new(RADIUS_CODE_ACCOUNTING_REQUEST,
 			     radius_client_get_id(hapd->radius));
@@ -49,25 +50,9 @@
 		return NULL;
 	}
 
-	if (sta) {
-		radius_msg_make_authenticator(msg, (u8 *) sta, sizeof(*sta));
-
-		if ((hapd->conf->wpa & 2) &&
-		    !hapd->conf->disable_pmksa_caching &&
-		    sta->eapol_sm && sta->eapol_sm->acct_multi_session_id_hi) {
-			os_snprintf(buf, sizeof(buf), "%08X+%08X",
-				    sta->eapol_sm->acct_multi_session_id_hi,
-				    sta->eapol_sm->acct_multi_session_id_lo);
-			if (!radius_msg_add_attr(
-				    msg, RADIUS_ATTR_ACCT_MULTI_SESSION_ID,
-				    (u8 *) buf, os_strlen(buf))) {
-				wpa_printf(MSG_INFO,
-					   "Could not add Acct-Multi-Session-Id");
-				goto fail;
-			}
-		}
-	} else {
-		radius_msg_make_authenticator(msg, (u8 *) hapd, sizeof(*hapd));
+	if (radius_msg_make_authenticator(msg) < 0) {
+		wpa_printf(MSG_INFO, "Could not make Request Authenticator");
+		goto fail;
 	}
 
 	if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_STATUS_TYPE,
@@ -76,17 +61,18 @@
 		goto fail;
 	}
 
-	if (!hostapd_config_get_radius_attr(hapd->conf->radius_acct_req_attr,
-					    RADIUS_ATTR_ACCT_AUTHENTIC) &&
-	    !radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_AUTHENTIC,
-				       hapd->conf->ieee802_1x ?
-				       RADIUS_ACCT_AUTHENTIC_RADIUS :
-				       RADIUS_ACCT_AUTHENTIC_LOCAL)) {
-		wpa_printf(MSG_INFO, "Could not add Acct-Authentic");
-		goto fail;
-	}
-
 	if (sta) {
+		if (!hostapd_config_get_radius_attr(
+			    hapd->conf->radius_acct_req_attr,
+			    RADIUS_ATTR_ACCT_AUTHENTIC) &&
+		    !radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_AUTHENTIC,
+					       hapd->conf->ieee802_1x ?
+					       RADIUS_ACCT_AUTHENTIC_RADIUS :
+					       RADIUS_ACCT_AUTHENTIC_LOCAL)) {
+			wpa_printf(MSG_INFO, "Could not add Acct-Authentic");
+			goto fail;
+		}
+
 		/* Use 802.1X identity if available */
 		val = ieee802_1x_get_identity(sta->eapol_sm, &len);
 
@@ -158,6 +144,14 @@
 		}
 	}
 
+	os_get_time(&now);
+	if (now.sec > 1000000000 &&
+	    !radius_msg_add_attr_int32(msg, RADIUS_ATTR_EVENT_TIMESTAMP,
+				       now.sec)) {
+		wpa_printf(MSG_INFO, "Could not add Event-Timestamp");
+		goto fail;
+	}
+
 	return msg;
 
  fail:
@@ -226,8 +220,8 @@
 
 	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS,
 		       HOSTAPD_LEVEL_INFO,
-		       "starting accounting session %08X-%08X",
-		       sta->acct_session_id_hi, sta->acct_session_id_lo);
+		       "starting accounting session %016lX",
+		       (long unsigned int) sta->acct_session_id);
 
 	os_get_reltime(&sta->acct_session_start);
 	sta->last_rx_bytes = sta->last_tx_bytes = 0;
@@ -260,7 +254,6 @@
 	int cause = sta->acct_terminate_cause;
 	struct hostap_sta_driver_data data;
 	struct os_reltime now_r, diff;
-	struct os_time now;
 	u32 gigawords;
 
 	if (!hapd->conf->radius->acct_server)
@@ -275,7 +268,6 @@
 	}
 
 	os_get_reltime(&now_r);
-	os_get_time(&now);
 	os_reltime_sub(&now_r, &sta->acct_session_start, &diff);
 	if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_SESSION_TIME,
 				       diff.sec)) {
@@ -332,12 +324,6 @@
 		}
 	}
 
-	if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_EVENT_TIMESTAMP,
-				       now.sec)) {
-		wpa_printf(MSG_INFO, "Could not add Event-Timestamp");
-		goto fail;
-	}
-
 	if (eloop_terminated())
 		cause = RADIUS_ACCT_TERMINATE_CAUSE_ADMIN_REBOOT;
 
@@ -384,22 +370,17 @@
 		eloop_cancel_timeout(accounting_interim_update, hapd, sta);
 		hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS,
 			       HOSTAPD_LEVEL_INFO,
-			       "stopped accounting session %08X-%08X",
-			       sta->acct_session_id_hi,
-			       sta->acct_session_id_lo);
+			       "stopped accounting session %016lX",
+			       (long unsigned int) sta->acct_session_id);
 		sta->acct_session_started = 0;
 	}
 }
 
 
-void accounting_sta_get_id(struct hostapd_data *hapd,
-				  struct sta_info *sta)
+int accounting_sta_get_id(struct hostapd_data *hapd, struct sta_info *sta)
 {
-	sta->acct_session_id_lo = hapd->acct_session_id_lo++;
-	if (hapd->acct_session_id_lo == 0) {
-		hapd->acct_session_id_hi++;
-	}
-	sta->acct_session_id_hi = hapd->acct_session_id_hi;
+	return radius_gen_session_id((u8 *) &sta->acct_session_id,
+				     sizeof(sta->acct_session_id));
 }
 
 
@@ -446,12 +427,14 @@
 	if (!msg)
 		return;
 
-	if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_TERMINATE_CAUSE,
-				       RADIUS_ACCT_TERMINATE_CAUSE_NAS_REBOOT))
-	{
-		wpa_printf(MSG_INFO, "Could not add Acct-Terminate-Cause");
-		radius_msg_free(msg);
-		return;
+	if (hapd->acct_session_id) {
+		char buf[20];
+
+		os_snprintf(buf, sizeof(buf), "%016lX",
+			    (long unsigned int) hapd->acct_session_id);
+		if (!radius_msg_add_attr(msg, RADIUS_ATTR_ACCT_SESSION_ID,
+					 (u8 *) buf, os_strlen(buf)))
+			wpa_printf(MSG_ERROR, "Could not add Acct-Session-Id");
 	}
 
 	if (radius_client_send(hapd->radius, msg, RADIUS_ACCT, NULL) < 0)
@@ -466,16 +449,9 @@
  */
 int accounting_init(struct hostapd_data *hapd)
 {
-	struct os_time now;
-
-	/* Acct-Session-Id should be unique over reboots. Using a random number
-	 * is preferred. If that is not available, take the current time. Mix
-	 * in microseconds to make this more likely to be unique. */
-	os_get_time(&now);
-	if (os_get_random((u8 *) &hapd->acct_session_id_hi,
-			  sizeof(hapd->acct_session_id_hi)) < 0)
-		hapd->acct_session_id_hi = now.sec;
-	hapd->acct_session_id_hi ^= now.usec;
+	if (radius_gen_session_id((u8 *) &hapd->acct_session_id,
+				  sizeof(hapd->acct_session_id)) < 0)
+		return -1;
 
 	if (radius_client_register(hapd->radius, RADIUS_ACCT,
 				   accounting_receive, hapd))
diff --git a/src/ap/accounting.h b/src/ap/accounting.h
index dcc54ee..de5a33f 100644
--- a/src/ap/accounting.h
+++ b/src/ap/accounting.h
@@ -10,9 +10,10 @@
 #define ACCOUNTING_H
 
 #ifdef CONFIG_NO_ACCOUNTING
-static inline void accounting_sta_get_id(struct hostapd_data *hapd,
-					 struct sta_info *sta)
+static inline int accounting_sta_get_id(struct hostapd_data *hapd,
+					struct sta_info *sta)
 {
+	return 0;
 }
 
 static inline void accounting_sta_start(struct hostapd_data *hapd,
@@ -34,7 +35,7 @@
 {
 }
 #else /* CONFIG_NO_ACCOUNTING */
-void accounting_sta_get_id(struct hostapd_data *hapd, struct sta_info *sta);
+int accounting_sta_get_id(struct hostapd_data *hapd, struct sta_info *sta);
 void accounting_sta_start(struct hostapd_data *hapd, struct sta_info *sta);
 void accounting_sta_stop(struct hostapd_data *hapd, struct sta_info *sta);
 int accounting_init(struct hostapd_data *hapd);
diff --git a/src/ap/gas_serv.c b/src/ap/gas_serv.c
index b9d6176..179dc7a 100644
--- a/src/ap/gas_serv.c
+++ b/src/ap/gas_serv.c
@@ -786,6 +786,24 @@
 #endif /* CONFIG_HS20 */
 
 
+static size_t anqp_get_required_len(struct hostapd_data *hapd,
+				    const u16 *infoid,
+				    unsigned int num_infoid)
+{
+	size_t len = 0;
+	unsigned int i;
+
+	for (i = 0; i < num_infoid; i++) {
+		struct anqp_element *elem = get_anqp_elem(hapd, infoid[i]);
+
+		if (elem)
+			len += 2 + 2 + wpabuf_len(elem->payload);
+	}
+
+	return len;
+}
+
+
 static struct wpabuf *
 gas_serv_build_gas_resp_payload(struct hostapd_data *hapd,
 				unsigned int request,
@@ -803,7 +821,7 @@
 		len += 1000;
 	if (request & ANQP_REQ_ICON_REQUEST)
 		len += 65536;
-	len += num_extra_req * 1000;
+	len += anqp_get_required_len(hapd, extra_req, num_extra_req);
 
 	buf = wpabuf_alloc(len);
 	if (buf == NULL)
diff --git a/src/ap/hostapd.c b/src/ap/hostapd.c
index 2aa4f8c..a848f35 100644
--- a/src/ap/hostapd.c
+++ b/src/ap/hostapd.c
@@ -673,7 +673,7 @@
 
 	if (attr->acct_session_id) {
 		num_attr++;
-		if (attr->acct_session_id_len != 17) {
+		if (attr->acct_session_id_len != 16) {
 			wpa_printf(MSG_DEBUG,
 				   "RADIUS DAS: Acct-Session-Id cannot match");
 			return NULL;
@@ -683,10 +683,9 @@
 		for (sta = hapd->sta_list; sta; sta = sta->next) {
 			if (!sta->radius_das_match)
 				continue;
-			os_snprintf(buf, sizeof(buf), "%08X-%08X",
-				    sta->acct_session_id_hi,
-				    sta->acct_session_id_lo);
-			if (os_memcmp(attr->acct_session_id, buf, 17) != 0)
+			os_snprintf(buf, sizeof(buf), "%016lX",
+				    (long unsigned int) sta->acct_session_id);
+			if (os_memcmp(attr->acct_session_id, buf, 16) != 0)
 				sta->radius_das_match = 0;
 			else
 				count++;
@@ -702,7 +701,7 @@
 
 	if (attr->acct_multi_session_id) {
 		num_attr++;
-		if (attr->acct_multi_session_id_len != 17) {
+		if (attr->acct_multi_session_id_len != 16) {
 			wpa_printf(MSG_DEBUG,
 				   "RADIUS DAS: Acct-Multi-Session-Id cannot match");
 			return NULL;
@@ -713,14 +712,14 @@
 			if (!sta->radius_das_match)
 				continue;
 			if (!sta->eapol_sm ||
-			    !sta->eapol_sm->acct_multi_session_id_hi) {
+			    !sta->eapol_sm->acct_multi_session_id) {
 				sta->radius_das_match = 0;
 				continue;
 			}
-			os_snprintf(buf, sizeof(buf), "%08X+%08X",
-				    sta->eapol_sm->acct_multi_session_id_hi,
-				    sta->eapol_sm->acct_multi_session_id_lo);
-			if (os_memcmp(attr->acct_multi_session_id, buf, 17) !=
+			os_snprintf(buf, sizeof(buf), "%016lX",
+				    (long unsigned int)
+				    sta->eapol_sm->acct_multi_session_id);
+			if (os_memcmp(attr->acct_multi_session_id, buf, 16) !=
 			    0)
 				sta->radius_das_match = 0;
 			else
diff --git a/src/ap/hostapd.h b/src/ap/hostapd.h
index 7b59f80..0f31dd4 100644
--- a/src/ap/hostapd.h
+++ b/src/ap/hostapd.h
@@ -138,7 +138,7 @@
 	void *msg_ctx_parent; /* parent interface ctx for wpa_msg() calls */
 
 	struct radius_client_data *radius;
-	u32 acct_session_id_hi, acct_session_id_lo;
+	u64 acct_session_id;
 	struct radius_das_data *radius_das;
 
 	struct iapp_data *iapp;
@@ -258,7 +258,8 @@
 #ifdef CONFIG_MESH
 	int num_plinks;
 	int max_plinks;
-	void (*mesh_sta_free_cb)(struct sta_info *sta);
+	void (*mesh_sta_free_cb)(struct hostapd_data *hapd,
+				 struct sta_info *sta);
 	struct wpabuf *mesh_pending_auth;
 	struct os_reltime mesh_pending_auth_time;
 #endif /* CONFIG_MESH */
diff --git a/src/ap/hw_features.c b/src/ap/hw_features.c
index 3607066..16887ac 100644
--- a/src/ap/hw_features.c
+++ b/src/ap/hw_features.c
@@ -329,6 +329,7 @@
 	res = ieee80211n_allowed_ht40_channel_pair(iface);
 	if (!res) {
 		iface->conf->secondary_channel = 0;
+		res = 1;
 		wpa_printf(MSG_INFO, "Fallback to 20 MHz");
 	}
 
diff --git a/src/ap/ieee802_11_auth.c b/src/ap/ieee802_11_auth.c
index b7e7ce3..ec0037a 100644
--- a/src/ap/ieee802_11_auth.c
+++ b/src/ap/ieee802_11_auth.c
@@ -165,7 +165,10 @@
 	if (msg == NULL)
 		return -1;
 
-	radius_msg_make_authenticator(msg, addr, ETH_ALEN);
+	if (radius_msg_make_authenticator(msg) < 0) {
+		wpa_printf(MSG_INFO, "Could not make Request Authenticator");
+		goto fail;
+	}
 
 	os_snprintf(buf, sizeof(buf), RADIUS_ADDR_FORMAT, MAC2STR(addr));
 	if (!radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME, (u8 *) buf,
diff --git a/src/ap/ieee802_11_vht.c b/src/ap/ieee802_11_vht.c
index 3236016..0841898 100644
--- a/src/ap/ieee802_11_vht.c
+++ b/src/ap/ieee802_11_vht.c
@@ -81,6 +81,26 @@
 		hapd->iconf->vht_oper_centr_freq_seg1_idx;
 
 	oper->vht_op_info_chwidth = hapd->iconf->vht_oper_chwidth;
+	if (hapd->iconf->vht_oper_chwidth == 2) {
+		/*
+		 * Convert 160 MHz channel width to new style as interop
+		 * workaround.
+		 */
+		oper->vht_op_info_chwidth = 1;
+		oper->vht_op_info_chan_center_freq_seg1_idx =
+			oper->vht_op_info_chan_center_freq_seg0_idx;
+		if (hapd->iconf->channel <
+		    hapd->iconf->vht_oper_centr_freq_seg0_idx)
+			oper->vht_op_info_chan_center_freq_seg0_idx -= 8;
+		else
+			oper->vht_op_info_chan_center_freq_seg0_idx += 8;
+	} else if (hapd->iconf->vht_oper_chwidth == 3) {
+		/*
+		 * Convert 80+80 MHz channel width to new style as interop
+		 * workaround.
+		 */
+		oper->vht_op_info_chwidth = 1;
+	}
 
 	/* VHT Basic MCS set comes from hw */
 	/* Hard code 1 stream, MCS0-7 is a min Basic VHT MCS rates */
diff --git a/src/ap/ieee802_1x.c b/src/ap/ieee802_1x.c
index 607f941..d399b1e 100644
--- a/src/ap/ieee802_1x.c
+++ b/src/ap/ieee802_1x.c
@@ -438,9 +438,9 @@
 		return -1;
 	}
 
-	if (sta->acct_session_id_hi || sta->acct_session_id_lo) {
-		os_snprintf(buf, sizeof(buf), "%08X-%08X",
-			    sta->acct_session_id_hi, sta->acct_session_id_lo);
+	if (sta->acct_session_id) {
+		os_snprintf(buf, sizeof(buf), "%016lX",
+			    (long unsigned int) sta->acct_session_id);
 		if (!radius_msg_add_attr(msg, RADIUS_ATTR_ACCT_SESSION_ID,
 					 (u8 *) buf, os_strlen(buf))) {
 			wpa_printf(MSG_ERROR, "Could not add Acct-Session-Id");
@@ -448,6 +448,21 @@
 		}
 	}
 
+	if ((hapd->conf->wpa & 2) &&
+	    !hapd->conf->disable_pmksa_caching &&
+	    sta->eapol_sm && sta->eapol_sm->acct_multi_session_id) {
+		os_snprintf(buf, sizeof(buf), "%016lX",
+			    (long unsigned int)
+			    sta->eapol_sm->acct_multi_session_id);
+		if (!radius_msg_add_attr(
+			    msg, RADIUS_ATTR_ACCT_MULTI_SESSION_ID,
+			    (u8 *) buf, os_strlen(buf))) {
+			wpa_printf(MSG_INFO,
+				   "Could not add Acct-Multi-Session-Id");
+			return -1;
+		}
+	}
+
 #ifdef CONFIG_IEEE80211R
 	if (hapd->conf->wpa && wpa_key_mgmt_ft(hapd->conf->wpa_key_mgmt) &&
 	    sta->wpa_sm &&
@@ -587,7 +602,10 @@
 		return;
 	}
 
-	radius_msg_make_authenticator(msg, (u8 *) sta, sizeof(*sta));
+	if (radius_msg_make_authenticator(msg) < 0) {
+		wpa_printf(MSG_INFO, "Could not make Request Authenticator");
+		goto fail;
+	}
 
 	if (sm->identity &&
 	    !radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME,
@@ -1165,10 +1183,8 @@
 #ifndef CONFIG_NO_RADIUS
 	radius_msg_free(sm->last_recv_radius);
 	radius_free_class(&sm->radius_class);
-	wpabuf_free(sm->radius_cui);
 #endif /* CONFIG_NO_RADIUS */
 
-	os_free(sm->identity);
 	eapol_auth_free(sm);
 }
 
@@ -2495,12 +2511,12 @@
 			  /* TODO: dot1xAuthSessionOctetsTx */
 			  /* TODO: dot1xAuthSessionFramesRx */
 			  /* TODO: dot1xAuthSessionFramesTx */
-			  "dot1xAuthSessionId=%08X-%08X\n"
+			  "dot1xAuthSessionId=%016lX\n"
 			  "dot1xAuthSessionAuthenticMethod=%d\n"
 			  "dot1xAuthSessionTime=%u\n"
 			  "dot1xAuthSessionTerminateCause=999\n"
 			  "dot1xAuthSessionUserName=%s\n",
-			  sta->acct_session_id_hi, sta->acct_session_id_lo,
+			  (long unsigned int) sta->acct_session_id,
 			  (wpa_key_mgmt_wpa_ieee8021x(
 				   wpa_auth_sta_key_mgmt(sta->wpa_sm))) ?
 			  1 : 2,
@@ -2510,11 +2526,11 @@
 		return len;
 	len += ret;
 
-	if (sm->acct_multi_session_id_hi) {
+	if (sm->acct_multi_session_id) {
 		ret = os_snprintf(buf + len, buflen - len,
-				  "authMultiSessionId=%08X+%08X\n",
-				  sm->acct_multi_session_id_hi,
-				  sm->acct_multi_session_id_lo);
+				  "authMultiSessionId=%016lX\n",
+				  (long unsigned int)
+				  sm->acct_multi_session_id);
 		if (os_snprintf_error(buflen - len, ret))
 			return len;
 		len += ret;
diff --git a/src/ap/pmksa_cache_auth.c b/src/ap/pmksa_cache_auth.c
index 83e4bda..eb37c78 100644
--- a/src/ap/pmksa_cache_auth.c
+++ b/src/ap/pmksa_cache_auth.c
@@ -148,8 +148,7 @@
 	entry->eap_type_authsrv = eapol->eap_type_authsrv;
 	entry->vlan_id = ((struct sta_info *) eapol->sta)->vlan_id;
 
-	entry->acct_multi_session_id_hi = eapol->acct_multi_session_id_hi;
-	entry->acct_multi_session_id_lo = eapol->acct_multi_session_id_lo;
+	entry->acct_multi_session_id = eapol->acct_multi_session_id;
 }
 
 
@@ -188,8 +187,7 @@
 	eapol->eap_type_authsrv = entry->eap_type_authsrv;
 	((struct sta_info *) eapol->sta)->vlan_id = entry->vlan_id;
 
-	eapol->acct_multi_session_id_hi = entry->acct_multi_session_id_hi;
-	eapol->acct_multi_session_id_lo = entry->acct_multi_session_id_lo;
+	eapol->acct_multi_session_id = entry->acct_multi_session_id;
 }
 
 
@@ -471,12 +469,11 @@
 	if (attr->acct_multi_session_id) {
 		char buf[20];
 
-		if (attr->acct_multi_session_id_len != 17)
+		if (attr->acct_multi_session_id_len != 16)
 			return 0;
-		os_snprintf(buf, sizeof(buf), "%08X+%08X",
-			    entry->acct_multi_session_id_hi,
-			    entry->acct_multi_session_id_lo);
-		if (os_memcmp(attr->acct_multi_session_id, buf, 17) != 0)
+		os_snprintf(buf, sizeof(buf), "%016lX",
+			    (long unsigned int) entry->acct_multi_session_id);
+		if (os_memcmp(attr->acct_multi_session_id, buf, 16) != 0)
 			return 0;
 		match++;
 	}
diff --git a/src/ap/pmksa_cache_auth.h b/src/ap/pmksa_cache_auth.h
index b2da379..4dc841f 100644
--- a/src/ap/pmksa_cache_auth.h
+++ b/src/ap/pmksa_cache_auth.h
@@ -31,8 +31,7 @@
 	int vlan_id;
 	int opportunistic;
 
-	u32 acct_multi_session_id_hi;
-	u32 acct_multi_session_id_lo;
+	u64 acct_multi_session_id;
 };
 
 struct rsn_pmksa_cache;
diff --git a/src/ap/sta_info.c b/src/ap/sta_info.c
index 8bba73c..3d7c839 100644
--- a/src/ap/sta_info.c
+++ b/src/ap/sta_info.c
@@ -238,7 +238,7 @@
 
 #ifdef CONFIG_MESH
 	if (hapd->mesh_sta_free_cb)
-		hapd->mesh_sta_free_cb(sta);
+		hapd->mesh_sta_free_cb(hapd, sta);
 #endif /* CONFIG_MESH */
 
 	if (set_beacon)
@@ -625,7 +625,10 @@
 		return NULL;
 	}
 	sta->acct_interim_interval = hapd->conf->acct_interim_interval;
-	accounting_sta_get_id(hapd, sta);
+	if (accounting_sta_get_id(hapd, sta) < 0) {
+		os_free(sta);
+		return NULL;
+	}
 
 	if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER)) {
 		wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
diff --git a/src/ap/sta_info.h b/src/ap/sta_info.h
index e3b4915..359f480 100644
--- a/src/ap/sta_info.h
+++ b/src/ap/sta_info.h
@@ -101,8 +101,7 @@
 	/* IEEE 802.1X related data */
 	struct eapol_state_machine *eapol_sm;
 
-	u32 acct_session_id_hi;
-	u32 acct_session_id_lo;
+	u64 acct_session_id;
 	struct os_reltime acct_session_start;
 	int acct_session_started;
 	int acct_terminate_cause; /* Acct-Terminate-Cause */
diff --git a/src/common/wpa_common.c b/src/common/wpa_common.c
index b5f57b3..d6295b2 100644
--- a/src/common/wpa_common.c
+++ b/src/common/wpa_common.c
@@ -600,8 +600,10 @@
 	if (left >= RSN_SELECTOR_LEN) {
 		data->group_cipher = rsn_selector_to_bitfield(pos);
 		if (!wpa_cipher_valid_group(data->group_cipher)) {
-			wpa_printf(MSG_DEBUG, "%s: invalid group cipher 0x%x",
-				   __func__, data->group_cipher);
+			wpa_printf(MSG_DEBUG,
+				   "%s: invalid group cipher 0x%x (%08x)",
+				   __func__, data->group_cipher,
+				   WPA_GET_BE32(pos));
 			return -1;
 		}
 		pos += RSN_SELECTOR_LEN;
diff --git a/src/common/wpa_ctrl.c b/src/common/wpa_ctrl.c
index 5733aa6..623c2a7 100644
--- a/src/common/wpa_ctrl.c
+++ b/src/common/wpa_ctrl.c
@@ -532,6 +532,8 @@
 		FD_ZERO(&rfds);
 		FD_SET(ctrl->s, &rfds);
 		res = select(ctrl->s + 1, &rfds, NULL, NULL, &tv);
+		if (res < 0 && errno == EINTR)
+			continue;
 		if (res < 0)
 			return res;
 		if (FD_ISSET(ctrl->s, &rfds)) {
diff --git a/src/crypto/tls_openssl.c b/src/crypto/tls_openssl.c
index b16b519..e34a3d0 100644
--- a/src/crypto/tls_openssl.c
+++ b/src/crypto/tls_openssl.c
@@ -105,6 +105,66 @@
 	free(value);
 	return bio;
 }
+
+
+static int tls_add_ca_from_keystore(X509_STORE *ctx, const char *key_alias)
+{
+	BIO *bio = BIO_from_keystore(key_alias);
+	STACK_OF(X509_INFO) *stack = NULL;
+	stack_index_t i;
+
+	if (bio) {
+		stack = PEM_X509_INFO_read_bio(bio, NULL, NULL, NULL);
+		BIO_free(bio);
+	}
+
+	if (!stack) {
+		wpa_printf(MSG_WARNING, "TLS: Failed to parse certificate: %s",
+			   key_alias);
+		return -1;
+	}
+
+	for (i = 0; i < sk_X509_INFO_num(stack); ++i) {
+		X509_INFO *info = sk_X509_INFO_value(stack, i);
+
+		if (info->x509)
+			X509_STORE_add_cert(ctx, info->x509);
+		if (info->crl)
+			X509_STORE_add_crl(ctx, info->crl);
+	}
+
+	sk_X509_INFO_pop_free(stack, X509_INFO_free);
+
+	return 0;
+}
+
+
+static int tls_add_ca_from_keystore_encoded(X509_STORE *ctx,
+					    const char *encoded_key_alias)
+{
+	int rc = -1;
+	int len = os_strlen(encoded_key_alias);
+	unsigned char *decoded_alias;
+
+	if (len & 1) {
+		wpa_printf(MSG_WARNING, "Invalid hex-encoded alias: %s",
+			   encoded_key_alias);
+		return rc;
+	}
+
+	decoded_alias = os_malloc(len / 2 + 1);
+	if (decoded_alias) {
+		if (!hexstr2bin(encoded_key_alias, decoded_alias, len / 2)) {
+			decoded_alias[len / 2] = '\0';
+			rc = tls_add_ca_from_keystore(
+				ctx, (const char *) decoded_alias);
+		}
+		os_free(decoded_alias);
+	}
+
+	return rc;
+}
+
 #endif /* ANDROID */
 
 static int tls_openssl_ref_count = 0;
@@ -1989,30 +2049,40 @@
 	}
 
 #ifdef ANDROID
+	/* Single alias */
 	if (ca_cert && os_strncmp("keystore://", ca_cert, 11) == 0) {
-		BIO *bio = BIO_from_keystore(&ca_cert[11]);
-		STACK_OF(X509_INFO) *stack = NULL;
-		stack_index_t i;
-
-		if (bio) {
-			stack = PEM_X509_INFO_read_bio(bio, NULL, NULL, NULL);
-			BIO_free(bio);
-		}
-		if (!stack)
+		if (tls_add_ca_from_keystore(ssl_ctx->cert_store,
+					     &ca_cert[11]) < 0)
 			return -1;
+		SSL_set_verify(conn->ssl, SSL_VERIFY_PEER, tls_verify_cb);
+		return 0;
+	}
 
-		for (i = 0; i < sk_X509_INFO_num(stack); ++i) {
-			X509_INFO *info = sk_X509_INFO_value(stack, i);
-			if (info->x509) {
-				X509_STORE_add_cert(ssl_ctx->cert_store,
-						    info->x509);
-			}
-			if (info->crl) {
-				X509_STORE_add_crl(ssl_ctx->cert_store,
-						   info->crl);
+	/* Multiple aliases separated by space */
+	if (ca_cert && os_strncmp("keystores://", ca_cert, 12) == 0) {
+		char *aliases = os_strdup(&ca_cert[12]);
+		const char *delim = " ";
+		int rc = 0;
+		char *savedptr;
+		char *alias;
+
+		if (!aliases)
+			return -1;
+		alias = strtok_r(aliases, delim, &savedptr);
+		for (; alias; alias = strtok_r(NULL, delim, &savedptr)) {
+			if (tls_add_ca_from_keystore_encoded(
+				    ssl_ctx->cert_store, alias)) {
+				wpa_printf(MSG_WARNING,
+					   "OpenSSL: %s - Failed to add ca_cert %s from keystore",
+					   __func__, alias);
+				rc = -1;
+				break;
 			}
 		}
-		sk_X509_INFO_pop_free(stack, X509_INFO_free);
+		os_free(aliases);
+		if (rc)
+			return rc;
+
 		SSL_set_verify(conn->ssl, SSL_VERIFY_PEER, tls_verify_cb);
 		return 0;
 	}
@@ -2393,13 +2463,18 @@
 
 	if (certs) {
 #if OPENSSL_VERSION_NUMBER >= 0x10002000L && !defined(LIBRESSL_VERSION_NUMBER)
-		SSL_clear_chain_certs(ssl);
+		if (ssl)
+			SSL_clear_chain_certs(ssl);
+		else
+			SSL_CTX_clear_chain_certs(data->ssl);
 		while ((cert = sk_X509_pop(certs)) != NULL) {
 			X509_NAME_oneline(X509_get_subject_name(cert), buf,
 					  sizeof(buf));
 			wpa_printf(MSG_DEBUG, "TLS: additional certificate"
 				   " from PKCS12: subject='%s'", buf);
-			if (SSL_add1_chain_cert(ssl, cert) != 1) {
+			if ((ssl && SSL_add1_chain_cert(ssl, cert) != 1) ||
+			    (!ssl && SSL_CTX_add1_chain_cert(data->ssl,
+							     cert) != 1)) {
 				tls_show_errors(MSG_DEBUG, __func__,
 						"Failed to add additional certificate");
 				res = -1;
@@ -2411,9 +2486,16 @@
 		}
 		sk_X509_free(certs);
 #ifndef OPENSSL_IS_BORINGSSL
-		res = SSL_build_cert_chain(ssl,
-					   SSL_BUILD_CHAIN_FLAG_CHECK |
-					   SSL_BUILD_CHAIN_FLAG_IGNORE_ERROR);
+		if (ssl)
+			res = SSL_build_cert_chain(
+				ssl,
+				SSL_BUILD_CHAIN_FLAG_CHECK |
+				SSL_BUILD_CHAIN_FLAG_IGNORE_ERROR);
+		else
+			res = SSL_CTX_build_cert_chain(
+				data->ssl,
+				SSL_BUILD_CHAIN_FLAG_CHECK |
+				SSL_BUILD_CHAIN_FLAG_IGNORE_ERROR);
 		if (!res) {
 			tls_show_errors(MSG_DEBUG, __func__,
 					"Failed to build certificate chain");
diff --git a/src/crypto/tls_openssl_ocsp.c b/src/crypto/tls_openssl_ocsp.c
index 37c87f4..4e1c6b9 100644
--- a/src/crypto/tls_openssl_ocsp.c
+++ b/src/crypto/tls_openssl_ocsp.c
@@ -562,6 +562,8 @@
 
 	if (basic->certs) {
 		untrusted = sk_X509_dup(basic->certs);
+		if (!untrusted)
+			goto fail;
 
 		num = sk_X509_num(basic->certs);
 		for (i = 0; i < num; i++) {
diff --git a/src/drivers/driver.h b/src/drivers/driver.h
index 6fd72c5..aad0e04 100644
--- a/src/drivers/driver.h
+++ b/src/drivers/driver.h
@@ -293,6 +293,18 @@
 #define WPAS_MAX_SCAN_SSIDS 16
 
 /**
+ * struct wpa_driver_scan_ssid - SSIDs to scan for
+ * @ssid - specific SSID to scan for (ProbeReq)
+ *	%NULL or zero-length SSID is used to indicate active scan
+ *	with wildcard SSID.
+ * @ssid_len - Length of the SSID in octets
+ */
+struct wpa_driver_scan_ssid {
+	const u8 *ssid;
+	size_t ssid_len;
+};
+
+/**
  * struct wpa_driver_scan_params - Scan parameters
  * Data for struct wpa_driver_ops::scan2().
  */
@@ -300,18 +312,7 @@
 	/**
 	 * ssids - SSIDs to scan for
 	 */
-	struct wpa_driver_scan_ssid {
-		/**
-		 * ssid - specific SSID to scan for (ProbeReq)
-		 * %NULL or zero-length SSID is used to indicate active scan
-		 * with wildcard SSID.
-		 */
-		const u8 *ssid;
-		/**
-		 * ssid_len: Length of the SSID in octets
-		 */
-		size_t ssid_len;
-	} ssids[WPAS_MAX_SCAN_SSIDS];
+	struct wpa_driver_scan_ssid ssids[WPAS_MAX_SCAN_SSIDS];
 
 	/**
 	 * num_ssids - Number of entries in ssids array
diff --git a/src/drivers/driver_bsd.c b/src/drivers/driver_bsd.c
index 780c19b..99f3504 100644
--- a/src/drivers/driver_bsd.c
+++ b/src/drivers/driver_bsd.c
@@ -62,6 +62,7 @@
 
 	struct l2_packet_data *sock_xmit;/* raw packet xmit socket */
 	char	ifname[IFNAMSIZ+1];	/* interface name */
+	int	flags;
 	unsigned int ifindex;		/* interface index */
 	void	*ctx;
 	struct wpa_driver_capa capa;	/* driver capability */
@@ -93,6 +94,9 @@
 	struct bsd_driver_data *drv = priv;
 	struct ieee80211req ireq;
 
+	if (drv->ifindex == 0)
+		return -1;
+
 	os_memset(&ireq, 0, sizeof(ireq));
 	os_strlcpy(ireq.i_name, drv->ifname, sizeof(ireq.i_name));
 	ireq.i_type = op;
@@ -287,6 +291,7 @@
 			   strerror(errno));
 		return -1;
 	}
+	drv->flags = ifr.ifr_flags;
 
 	if (enable) {
 		if (ifr.ifr_flags & IFF_UP)
@@ -304,6 +309,7 @@
 		return -1;
 	}
 
+	drv->flags = ifr.ifr_flags;
 	return 0;
 }
 
@@ -773,12 +779,12 @@
 			   rtm->rtm_version);
 		return;
 	}
-	drv = bsd_get_drvindex(global, rtm->rtm_index);
-	if (drv == NULL)
-		return;
 	switch (rtm->rtm_type) {
 	case RTM_IEEE80211:
 		ifan = (struct if_announcemsghdr *) rtm;
+		drv = bsd_get_drvindex(global, ifan->ifan_index);
+		if (drv == NULL)
+			return;
 		switch (ifan->ifan_what) {
 		case RTM_IEEE80211_ASSOC:
 		case RTM_IEEE80211_REASSOC:
@@ -878,7 +884,8 @@
 {
 	struct bsd_driver_data *drv = priv;
 
-	bsd_ctrl_iface(drv, 0);
+	if (drv->ifindex != 0)
+		bsd_ctrl_iface(drv, 0);
 	if (drv->sock_xmit != NULL)
 		l2_packet_deinit(drv->sock_xmit);
 	os_free(drv);
@@ -966,7 +973,7 @@
 	int ret = 0;
 
 	wpa_printf(MSG_DEBUG, "%s: wpa=%d privacy=%d",
-		__FUNCTION__, wpa, privacy);
+		__func__, wpa, privacy);
 
 	if (!wpa && wpa_driver_bsd_set_wpa_ie(priv, NULL, 0) < 0)
 		ret = -1;
@@ -981,7 +988,7 @@
 static int
 wpa_driver_bsd_set_wpa(void *priv, int enabled)
 {
-	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
+	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
 
 	return wpa_driver_bsd_set_wpa_internal(priv, enabled ? 3 : 0, enabled);
 }
@@ -1189,6 +1196,7 @@
 	struct bsd_driver_global *global = sock_ctx;
 	struct bsd_driver_data *drv;
 	struct if_announcemsghdr *ifan;
+	struct if_msghdr *ifm;
 	struct rt_msghdr *rtm;
 	union wpa_event_data event;
 	struct ieee80211_michael_event *mic;
@@ -1210,19 +1218,20 @@
 			   rtm->rtm_version);
 		return;
 	}
-	drv = bsd_get_drvindex(global, rtm->rtm_index);
-	if (drv == NULL)
-		return;
-	ctx = drv->ctx;
 	os_memset(&event, 0, sizeof(event));
 	switch (rtm->rtm_type) {
 	case RTM_IFANNOUNCE:
 		ifan = (struct if_announcemsghdr *) rtm;
+		drv = bsd_get_drvindex(global, ifan->ifan_index);
+		if (drv == NULL)
+			return;
 		os_strlcpy(event.interface_status.ifname, drv->ifname,
 			   sizeof(event.interface_status.ifname));
 		switch (ifan->ifan_what) {
 		case IFAN_DEPARTURE:
 			event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
+			drv->ifindex = 0;
+			break;
 		default:
 			return;
 		}
@@ -1230,37 +1239,41 @@
 			   event.interface_status.ifname,
 			   ifan->ifan_what == IFAN_DEPARTURE ?
 				"removed" : "added");
-		wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
+		wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
 		break;
 	case RTM_IEEE80211:
 		ifan = (struct if_announcemsghdr *) rtm;
+		drv = bsd_get_drvindex(global, ifan->ifan_index);
+		if (drv == NULL)
+			return;
 		switch (ifan->ifan_what) {
 		case RTM_IEEE80211_ASSOC:
 		case RTM_IEEE80211_REASSOC:
 			if (drv->is_ap)
 				break;
-			wpa_supplicant_event(ctx, EVENT_ASSOC, NULL);
+			wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
 			break;
 		case RTM_IEEE80211_DISASSOC:
 			if (drv->is_ap)
 				break;
-			wpa_supplicant_event(ctx, EVENT_DISASSOC, NULL);
+			wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
 			break;
 		case RTM_IEEE80211_SCAN:
 			if (drv->is_ap)
 				break;
-			wpa_supplicant_event(ctx, EVENT_SCAN_RESULTS, NULL);
+			wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS,
+					     NULL);
 			break;
 		case RTM_IEEE80211_LEAVE:
 			leave = (struct ieee80211_leave_event *) &ifan[1];
-			drv_event_disassoc(ctx, leave->iev_addr);
+			drv_event_disassoc(drv->ctx, leave->iev_addr);
 			break;
 		case RTM_IEEE80211_JOIN:
 #ifdef RTM_IEEE80211_REJOIN
 		case RTM_IEEE80211_REJOIN:
 #endif
 			join = (struct ieee80211_join_event *) &ifan[1];
-			bsd_new_sta(drv, ctx, join->iev_addr);
+			bsd_new_sta(drv, drv->ctx, join->iev_addr);
 			break;
 		case RTM_IEEE80211_REPLAY:
 			/* ignore */
@@ -1275,20 +1288,30 @@
 			os_memset(&event, 0, sizeof(event));
 			event.michael_mic_failure.unicast =
 				!IEEE80211_IS_MULTICAST(mic->iev_dst);
-			wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE,
-				&event);
+			wpa_supplicant_event(drv->ctx,
+					     EVENT_MICHAEL_MIC_FAILURE, &event);
 			break;
 		}
 		break;
 	case RTM_IFINFO:
-		if ((rtm->rtm_flags & RTF_UP) == 0) {
-			os_strlcpy(event.interface_status.ifname, drv->ifname,
-				   sizeof(event.interface_status.ifname));
-			event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
+		ifm = (struct if_msghdr *) rtm;
+		drv = bsd_get_drvindex(global, ifm->ifm_index);
+		if (drv == NULL)
+			return;
+		if ((ifm->ifm_flags & IFF_UP) == 0 &&
+		    (drv->flags & IFF_UP) != 0) {
 			wpa_printf(MSG_DEBUG, "RTM_IFINFO: Interface '%s' DOWN",
-				   event.interface_status.ifname);
-			wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
+				   drv->ifname);
+			wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_DISABLED,
+					     NULL);
+		} else if ((ifm->ifm_flags & IFF_UP) != 0 &&
+		    (drv->flags & IFF_UP) == 0) {
+			wpa_printf(MSG_DEBUG, "RTM_IFINFO: Interface '%s' UP",
+				   drv->ifname);
+			wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
+					     NULL);
 		}
+		drv->flags = ifm->ifm_flags;
 		break;
 	}
 }
@@ -1559,16 +1582,21 @@
 {
 	struct bsd_driver_data *drv = priv;
 
-	wpa_driver_bsd_set_wpa(drv, 0);
+	if (drv->ifindex != 0) {
+		wpa_driver_bsd_set_wpa(drv, 0);
 
-	/* NB: mark interface down */
-	bsd_ctrl_iface(drv, 0);
+		/* NB: mark interface down */
+		bsd_ctrl_iface(drv, 0);
 
-	wpa_driver_bsd_set_wpa_internal(drv, drv->prev_wpa, drv->prev_privacy);
+		wpa_driver_bsd_set_wpa_internal(drv, drv->prev_wpa,
+						drv->prev_privacy);
 
-	if (set80211param(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming) < 0)
-		wpa_printf(MSG_DEBUG, "%s: failed to restore roaming state",
-			__func__);
+		if (set80211param(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming)
+		    < 0)
+			wpa_printf(MSG_DEBUG,
+				   "%s: failed to restore roaming state",
+				   __func__);
+	}
 
 	if (drv->sock_xmit != NULL)
 		l2_packet_deinit(drv->sock_xmit);
diff --git a/src/eap_peer/eap_fast_pac.c b/src/eap_peer/eap_fast_pac.c
index 0220cae..c815860 100644
--- a/src/eap_peer/eap_fast_pac.c
+++ b/src/eap_peer/eap_fast_pac.c
@@ -802,8 +802,10 @@
 	while (pos < end) {
 		u16 val;
 
-		if (end - pos < 2 + EAP_FAST_PAC_KEY_LEN + 2 + 2)
+		if (end - pos < 2 + EAP_FAST_PAC_KEY_LEN + 2 + 2) {
+			pac = NULL;
 			goto parse_fail;
+		}
 
 		pac = os_zalloc(sizeof(*pac));
 		if (pac == NULL)
diff --git a/src/eapol_auth/eapol_auth_sm.c b/src/eapol_auth/eapol_auth_sm.c
index ff33d28..ff673bb 100644
--- a/src/eapol_auth/eapol_auth_sm.c
+++ b/src/eapol_auth/eapol_auth_sm.c
@@ -866,10 +866,13 @@
 		sm->radius_cui = wpabuf_alloc_copy(radius_cui,
 						   os_strlen(radius_cui));
 
-	sm->acct_multi_session_id_lo = eapol->acct_multi_session_id_lo++;
-	if (eapol->acct_multi_session_id_lo == 0)
-		eapol->acct_multi_session_id_hi++;
-	sm->acct_multi_session_id_hi = eapol->acct_multi_session_id_hi;
+#ifndef CONFIG_NO_RADIUS
+	if (radius_gen_session_id((u8 *) &sm->acct_multi_session_id,
+				  sizeof(sm->acct_multi_session_id)) < 0) {
+		eapol_auth_free(sm);
+		return NULL;
+	}
+#endif /* CONFIG_NO_RADIUS */
 
 	return sm;
 }
@@ -884,6 +887,9 @@
 	eloop_cancel_timeout(eapol_sm_step_cb, sm, NULL);
 	if (sm->eap)
 		eap_server_sm_deinit(sm->eap);
+
+	wpabuf_free(sm->radius_cui);
+	os_free(sm->identity);
 	os_free(sm);
 }
 
@@ -1271,7 +1277,6 @@
 					     struct eapol_auth_cb *cb)
 {
 	struct eapol_authenticator *eapol;
-	struct os_time now;
 
 	eapol = os_zalloc(sizeof(*eapol));
 	if (eapol == NULL)
@@ -1300,12 +1305,6 @@
 	eapol->cb.erp_get_key = cb->erp_get_key;
 	eapol->cb.erp_add_key = cb->erp_add_key;
 
-	/* Acct-Multi-Session-Id should be unique over reboots. If reliable
-	 * clock is not available, this could be replaced with reboot counter,
-	 * etc. */
-	os_get_time(&now);
-	eapol->acct_multi_session_id_hi = now.sec;
-
 	return eapol;
 }
 
diff --git a/src/eapol_auth/eapol_auth_sm_i.h b/src/eapol_auth/eapol_auth_sm_i.h
index aa3e117..04386b2 100644
--- a/src/eapol_auth/eapol_auth_sm_i.h
+++ b/src/eapol_auth/eapol_auth_sm_i.h
@@ -30,9 +30,6 @@
 
 	u8 *default_wep_key;
 	u8 default_wep_key_idx;
-
-	u32 acct_multi_session_id_hi;
-	u32 acct_multi_session_id_lo;
 };
 
 
@@ -173,8 +170,7 @@
 
 	int remediation;
 
-	u32 acct_multi_session_id_hi;
-	u32 acct_multi_session_id_lo;
+	u64 acct_multi_session_id;
 };
 
 #endif /* EAPOL_AUTH_SM_I_H */
diff --git a/src/p2p/p2p_go_neg.c b/src/p2p/p2p_go_neg.c
index 049ce6e..fe0096f 100644
--- a/src/p2p/p2p_go_neg.c
+++ b/src/p2p/p2p_go_neg.c
@@ -1060,7 +1060,7 @@
 			P2P_PENDING_GO_NEG_RESPONSE_FAILURE;
 	if (p2p_send_action(p2p, freq, sa, p2p->cfg->dev_addr,
 			    p2p->cfg->dev_addr,
-			    wpabuf_head(resp), wpabuf_len(resp), 500) < 0) {
+			    wpabuf_head(resp), wpabuf_len(resp), 100) < 0) {
 		p2p_dbg(p2p, "Failed to send Action frame");
 	}
 
@@ -1394,7 +1394,7 @@
 
 	if (p2p_send_action(p2p, freq, sa, p2p->cfg->dev_addr, sa,
 			    wpabuf_head(dev->go_neg_conf),
-			    wpabuf_len(dev->go_neg_conf), 200) < 0) {
+			    wpabuf_len(dev->go_neg_conf), 50) < 0) {
 		p2p_dbg(p2p, "Failed to send Action frame");
 		p2p_go_neg_failed(p2p, -1);
 		p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
diff --git a/src/p2p/p2p_invitation.c b/src/p2p/p2p_invitation.c
index 70da15a..bbba001 100644
--- a/src/p2p/p2p_invitation.c
+++ b/src/p2p/p2p_invitation.c
@@ -418,7 +418,7 @@
 	p2p->pending_action_state = P2P_PENDING_INVITATION_RESPONSE;
 	if (p2p_send_action(p2p, freq, sa, p2p->cfg->dev_addr,
 			    p2p->cfg->dev_addr,
-			    wpabuf_head(resp), wpabuf_len(resp), 200) < 0) {
+			    wpabuf_head(resp), wpabuf_len(resp), 50) < 0) {
 		p2p_dbg(p2p, "Failed to send Action frame");
 	}
 
diff --git a/src/p2p/p2p_pd.c b/src/p2p/p2p_pd.c
index d70a43c..e6535d4 100644
--- a/src/p2p/p2p_pd.c
+++ b/src/p2p/p2p_pd.c
@@ -997,7 +997,7 @@
 		if (p2p_send_action(p2p, freq, sa, p2p->cfg->dev_addr,
 				    p2p->cfg->dev_addr,
 				    wpabuf_head(resp), wpabuf_len(resp),
-				    200) < 0)
+				    50) < 0)
 			p2p_dbg(p2p, "Failed to send Action frame");
 		else
 			p2p->send_action_in_progress = 1;
diff --git a/src/radius/radius.c b/src/radius/radius.c
index 266b29f..a6304e1 100644
--- a/src/radius/radius.c
+++ b/src/radius/radius.c
@@ -893,25 +893,11 @@
 
 /* Create Request Authenticator. The value should be unique over the lifetime
  * of the shared secret between authenticator and authentication server.
- * Use one-way MD5 hash calculated from current timestamp and some data given
- * by the caller. */
-void radius_msg_make_authenticator(struct radius_msg *msg,
-				   const u8 *data, size_t len)
+ */
+int radius_msg_make_authenticator(struct radius_msg *msg)
 {
-	struct os_time tv;
-	long int l;
-	const u8 *addr[3];
-	size_t elen[3];
-
-	os_get_time(&tv);
-	l = os_random();
-	addr[0] = (u8 *) &tv;
-	elen[0] = sizeof(tv);
-	addr[1] = data;
-	elen[1] = len;
-	addr[2] = (u8 *) &l;
-	elen[2] = sizeof(l);
-	md5_vector(3, addr, elen, msg->hdr->authenticator);
+	return os_get_random((u8 *) &msg->hdr->authenticator,
+			     sizeof(msg->hdr->authenticator));
 }
 
 
@@ -1211,7 +1197,9 @@
 	vhdr = (struct radius_attr_vendor *) pos;
 	vhdr->vendor_type = RADIUS_VENDOR_ATTR_MS_MPPE_SEND_KEY;
 	pos = (u8 *) (vhdr + 1);
-	salt = os_random() | 0x8000;
+	if (os_get_random((u8 *) &salt, sizeof(salt)) < 0)
+		return 0;
+	salt |= 0x8000;
 	WPA_PUT_BE16(pos, salt);
 	pos += 2;
 	encrypt_ms_key(send_key, send_key_len, salt, req_authenticator, secret,
@@ -1670,3 +1658,14 @@
 
 	return 0;
 }
+
+
+int radius_gen_session_id(u8 *id, size_t len)
+{
+	/*
+	 * Acct-Session-Id and Acct-Multi-Session-Id should be globally and
+	 * temporarily unique. A high quality random number is required
+	 * therefore. This could be be improved by switching to a GUID.
+	 */
+	return os_get_random(id, len);
+}
diff --git a/src/radius/radius.h b/src/radius/radius.h
index f14de53..313fc65 100644
--- a/src/radius/radius.h
+++ b/src/radius/radius.h
@@ -251,8 +251,7 @@
 			       size_t secret_len, const u8 *req_auth);
 int radius_msg_copy_attr(struct radius_msg *dst, struct radius_msg *src,
 			 u8 type);
-void radius_msg_make_authenticator(struct radius_msg *msg,
-				   const u8 *data, size_t len);
+int radius_msg_make_authenticator(struct radius_msg *msg);
 struct radius_ms_mppe_keys *
 radius_msg_get_ms_keys(struct radius_msg *msg, struct radius_msg *sent_msg,
 		       const u8 *secret, size_t secret_len);
@@ -320,4 +319,6 @@
 
 u8 radius_msg_find_unlisted_attr(struct radius_msg *msg, u8 *attrs);
 
+int radius_gen_session_id(u8 *id, size_t len);
+
 #endif /* RADIUS_H */
diff --git a/src/utils/eloop.c b/src/utils/eloop.c
index 8647229..831da12 100644
--- a/src/utils/eloop.c
+++ b/src/utils/eloop.c
@@ -18,7 +18,12 @@
 #error Do not define both of poll and epoll
 #endif
 
-#if !defined(CONFIG_ELOOP_POLL) && !defined(CONFIG_ELOOP_EPOLL)
+#if defined(CONFIG_ELOOP_POLL) && defined(CONFIG_ELOOP_KQUEUE)
+#error Do not define both of poll and kqueue
+#endif
+
+#if !defined(CONFIG_ELOOP_POLL) && !defined(CONFIG_ELOOP_EPOLL) && \
+    !defined(CONFIG_ELOOP_KQUEUE)
 #define CONFIG_ELOOP_SELECT
 #endif
 
@@ -30,6 +35,10 @@
 #include <sys/epoll.h>
 #endif /* CONFIG_ELOOP_EPOLL */
 
+#ifdef CONFIG_ELOOP_KQUEUE
+#include <sys/event.h>
+#endif /* CONFIG_ELOOP_KQUEUE */
+
 struct eloop_sock {
 	int sock;
 	void *eloop_data;
@@ -75,13 +84,20 @@
 	struct pollfd *pollfds;
 	struct pollfd **pollfds_map;
 #endif /* CONFIG_ELOOP_POLL */
+#if defined(CONFIG_ELOOP_EPOLL) || defined(CONFIG_ELOOP_KQUEUE)
+	int max_fd;
+	struct eloop_sock *fd_table;
+#endif /* CONFIG_ELOOP_EPOLL || CONFIG_ELOOP_KQUEUE */
 #ifdef CONFIG_ELOOP_EPOLL
 	int epollfd;
 	int epoll_max_event_num;
-	int epoll_max_fd;
-	struct eloop_sock *epoll_table;
 	struct epoll_event *epoll_events;
 #endif /* CONFIG_ELOOP_EPOLL */
+#ifdef CONFIG_ELOOP_KQUEUE
+	int kqueuefd;
+	int kqueue_nevents;
+	struct kevent *kqueue_events;
+#endif /* CONFIG_ELOOP_KQUEUE */
 	struct eloop_sock_table readers;
 	struct eloop_sock_table writers;
 	struct eloop_sock_table exceptions;
@@ -149,14 +165,24 @@
 #ifdef CONFIG_ELOOP_EPOLL
 	eloop.epollfd = epoll_create1(0);
 	if (eloop.epollfd < 0) {
-		wpa_printf(MSG_ERROR, "%s: epoll_create1 failed. %s\n",
+		wpa_printf(MSG_ERROR, "%s: epoll_create1 failed. %s",
 			   __func__, strerror(errno));
 		return -1;
 	}
+#endif /* CONFIG_ELOOP_EPOLL */
+#ifdef CONFIG_ELOOP_KQUEUE
+	eloop.kqueuefd = kqueue();
+	if (eloop.kqueuefd < 0) {
+		wpa_printf(MSG_ERROR, "%s: kqueue failed: %s",
+			   __func__, strerror(errno));
+		return -1;
+	}
+#endif /* CONFIG_ELOOP_KQUEUE */
+#if defined(CONFIG_ELOOP_EPOLL) || defined(CONFIG_ELOOP_KQUEUE)
 	eloop.readers.type = EVENT_TYPE_READ;
 	eloop.writers.type = EVENT_TYPE_WRITE;
 	eloop.exceptions.type = EVENT_TYPE_EXCEPTION;
-#endif /* CONFIG_ELOOP_EPOLL */
+#endif /* CONFIG_ELOOP_EPOLL || CONFIG_ELOOP_KQUEUE */
 #ifdef WPA_TRACE
 	signal(SIGSEGV, eloop_sigsegv_handler);
 #endif /* WPA_TRACE */
@@ -164,15 +190,80 @@
 }
 
 
+#ifdef CONFIG_ELOOP_EPOLL
+static int eloop_sock_queue(int sock, eloop_event_type type)
+{
+	struct epoll_event ev;
+
+	os_memset(&ev, 0, sizeof(ev));
+	switch (type) {
+	case EVENT_TYPE_READ:
+		ev.events = EPOLLIN;
+		break;
+	case EVENT_TYPE_WRITE:
+		ev.events = EPOLLOUT;
+		break;
+	/*
+	 * Exceptions are always checked when using epoll, but I suppose it's
+	 * possible that someone registered a socket *only* for exception
+	 * handling.
+	 */
+	case EVENT_TYPE_EXCEPTION:
+		ev.events = EPOLLERR | EPOLLHUP;
+		break;
+	}
+	ev.data.fd = sock;
+	if (epoll_ctl(eloop.epollfd, EPOLL_CTL_ADD, sock, &ev) < 0) {
+		wpa_printf(MSG_ERROR, "%s: epoll_ctl(ADD) for fd=%d failed: %s",
+			   __func__, sock, strerror(errno));
+		return -1;
+	}
+	return 0;
+}
+#endif /* CONFIG_ELOOP_EPOLL */
+
+
+#ifdef CONFIG_ELOOP_KQUEUE
+static int eloop_sock_queue(int sock, eloop_event_type type)
+{
+	int filter;
+	struct kevent ke;
+
+	switch (type) {
+	case EVENT_TYPE_READ:
+		filter = EVFILT_READ;
+		break;
+	case EVENT_TYPE_WRITE:
+		filter = EVFILT_WRITE;
+		break;
+	default:
+		filter = 0;
+	}
+	EV_SET(&ke, sock, filter, EV_ADD, 0, 0, NULL);
+	if (kevent(eloop.kqueuefd, &ke, 1, NULL, 0, NULL) == -1) {
+		wpa_printf(MSG_ERROR, "%s: kevent(ADD) for fd=%d failed: %s",
+			   __func__, sock, strerror(errno));
+		return -1;
+	}
+	return 0;
+}
+#endif /* CONFIG_ELOOP_KQUEUE */
+
+
 static int eloop_sock_table_add_sock(struct eloop_sock_table *table,
                                      int sock, eloop_sock_handler handler,
                                      void *eloop_data, void *user_data)
 {
 #ifdef CONFIG_ELOOP_EPOLL
-	struct eloop_sock *temp_table;
-	struct epoll_event ev, *temp_events;
-	int next;
+	struct epoll_event *temp_events;
 #endif /* CONFIG_ELOOP_EPOLL */
+#ifdef CONFIG_ELOOP_KQUEUE
+	struct kevent *temp_events;
+#endif /* CONFIG_ELOOP_EPOLL */
+#if defined(CONFIG_ELOOP_EPOLL) || defined(CONFIG_ELOOP_KQUEUE)
+	struct eloop_sock *temp_table;
+	int next;
+#endif /* CONFIG_ELOOP_EPOLL || CONFIG_ELOOP_KQUEUE */
 	struct eloop_sock *tmp;
 	int new_max_sock;
 
@@ -208,26 +299,28 @@
 		eloop.pollfds = n;
 	}
 #endif /* CONFIG_ELOOP_POLL */
-#ifdef CONFIG_ELOOP_EPOLL
-	if (new_max_sock >= eloop.epoll_max_fd) {
-		next = eloop.epoll_max_fd == 0 ? 16 : eloop.epoll_max_fd * 2;
-		temp_table = os_realloc_array(eloop.epoll_table, next,
+#if defined(CONFIG_ELOOP_EPOLL) || defined(CONFIG_ELOOP_KQUEUE)
+	if (new_max_sock >= eloop.max_fd) {
+		next = eloop.max_fd == 0 ? 16 : eloop.max_fd * 2;
+		temp_table = os_realloc_array(eloop.fd_table, next,
 					      sizeof(struct eloop_sock));
 		if (temp_table == NULL)
 			return -1;
 
-		eloop.epoll_max_fd = next;
-		eloop.epoll_table = temp_table;
+		eloop.max_fd = next;
+		eloop.fd_table = temp_table;
 	}
+#endif /* CONFIG_ELOOP_EPOLL || CONFIG_ELOOP_KQUEUE */
 
+#ifdef CONFIG_ELOOP_EPOLL
 	if (eloop.count + 1 > eloop.epoll_max_event_num) {
 		next = eloop.epoll_max_event_num == 0 ? 8 :
 			eloop.epoll_max_event_num * 2;
 		temp_events = os_realloc_array(eloop.epoll_events, next,
 					       sizeof(struct epoll_event));
 		if (temp_events == NULL) {
-			wpa_printf(MSG_ERROR, "%s: malloc for epoll failed. "
-				   "%s\n", __func__, strerror(errno));
+			wpa_printf(MSG_ERROR, "%s: malloc for epoll failed: %s",
+				   __func__, strerror(errno));
 			return -1;
 		}
 
@@ -235,6 +328,22 @@
 		eloop.epoll_events = temp_events;
 	}
 #endif /* CONFIG_ELOOP_EPOLL */
+#ifdef CONFIG_ELOOP_KQUEUE
+	if (eloop.count + 1 > eloop.kqueue_nevents) {
+		next = eloop.kqueue_nevents == 0 ? 8 : eloop.kqueue_nevents * 2;
+		temp_events = os_malloc(next * sizeof(*temp_events));
+		if (!temp_events) {
+			wpa_printf(MSG_ERROR,
+				   "%s: malloc for kqueue failed: %s",
+				   __func__, strerror(errno));
+			return -1;
+		}
+
+		os_free(eloop.kqueue_events);
+		eloop.kqueue_events = temp_events;
+		eloop.kqueue_nevents = next;
+	}
+#endif /* CONFIG_ELOOP_KQUEUE */
 
 	eloop_trace_sock_remove_ref(table);
 	tmp = os_realloc_array(table->table, table->count + 1,
@@ -256,33 +365,12 @@
 	table->changed = 1;
 	eloop_trace_sock_add_ref(table);
 
-#ifdef CONFIG_ELOOP_EPOLL
-	os_memset(&ev, 0, sizeof(ev));
-	switch (table->type) {
-	case EVENT_TYPE_READ:
-		ev.events = EPOLLIN;
-		break;
-	case EVENT_TYPE_WRITE:
-		ev.events = EPOLLOUT;
-		break;
-	/*
-	 * Exceptions are always checked when using epoll, but I suppose it's
-	 * possible that someone registered a socket *only* for exception
-	 * handling.
-	 */
-	case EVENT_TYPE_EXCEPTION:
-		ev.events = EPOLLERR | EPOLLHUP;
-		break;
-	}
-	ev.data.fd = sock;
-	if (epoll_ctl(eloop.epollfd, EPOLL_CTL_ADD, sock, &ev) < 0) {
-		wpa_printf(MSG_ERROR, "%s: epoll_ctl(ADD) for fd=%d "
-			   "failed. %s\n", __func__, sock, strerror(errno));
+#if defined(CONFIG_ELOOP_EPOLL) || defined(CONFIG_ELOOP_KQUEUE)
+	if (eloop_sock_queue(sock, table->type) < 0)
 		return -1;
-	}
-	os_memcpy(&eloop.epoll_table[sock], &table->table[table->count - 1],
+	os_memcpy(&eloop.fd_table[sock], &table->table[table->count - 1],
 		  sizeof(struct eloop_sock));
-#endif /* CONFIG_ELOOP_EPOLL */
+#endif /* CONFIG_ELOOP_EPOLL || CONFIG_ELOOP_KQUEUE */
 	return 0;
 }
 
@@ -290,6 +378,9 @@
 static void eloop_sock_table_remove_sock(struct eloop_sock_table *table,
                                          int sock)
 {
+#ifdef CONFIG_ELOOP_KQUEUE
+	struct kevent ke;
+#endif /* CONFIG_ELOOP_KQUEUE */
 	int i;
 
 	if (table == NULL || table->table == NULL || table->count == 0)
@@ -313,12 +404,21 @@
 	eloop_trace_sock_add_ref(table);
 #ifdef CONFIG_ELOOP_EPOLL
 	if (epoll_ctl(eloop.epollfd, EPOLL_CTL_DEL, sock, NULL) < 0) {
-		wpa_printf(MSG_ERROR, "%s: epoll_ctl(DEL) for fd=%d "
-			   "failed. %s\n", __func__, sock, strerror(errno));
+		wpa_printf(MSG_ERROR, "%s: epoll_ctl(DEL) for fd=%d failed: %s",
+			   __func__, sock, strerror(errno));
 		return;
 	}
-	os_memset(&eloop.epoll_table[sock], 0, sizeof(struct eloop_sock));
+	os_memset(&eloop.fd_table[sock], 0, sizeof(struct eloop_sock));
 #endif /* CONFIG_ELOOP_EPOLL */
+#ifdef CONFIG_ELOOP_KQUEUE
+	EV_SET(&ke, sock, 0, EV_DELETE, 0, 0, NULL);
+	if (kevent(eloop.kqueuefd, &ke, 1, NULL, 0, NULL) < 0) {
+		wpa_printf(MSG_ERROR, "%s: kevent(DEL) for fd=%d failed: %s",
+			   __func__, sock, strerror(errno));
+		return;
+	}
+	os_memset(&eloop.fd_table[sock], 0, sizeof(struct eloop_sock));
+#endif /* CONFIG_ELOOP_KQUEUE */
 }
 
 
@@ -511,7 +611,7 @@
 	int i;
 
 	for (i = 0; i < nfds; i++) {
-		table = &eloop.epoll_table[events[i].data.fd];
+		table = &eloop.fd_table[events[i].data.fd];
 		if (table->handler == NULL)
 			continue;
 		table->handler(table->sock, table->eloop_data,
@@ -525,6 +625,67 @@
 #endif /* CONFIG_ELOOP_EPOLL */
 
 
+#ifdef CONFIG_ELOOP_KQUEUE
+
+static void eloop_sock_table_dispatch(struct kevent *events, int nfds)
+{
+	struct eloop_sock *table;
+	int i;
+
+	for (i = 0; i < nfds; i++) {
+		table = &eloop.fd_table[events[i].ident];
+		if (table->handler == NULL)
+			continue;
+		table->handler(table->sock, table->eloop_data,
+			       table->user_data);
+		if (eloop.readers.changed ||
+		    eloop.writers.changed ||
+		    eloop.exceptions.changed)
+			break;
+	}
+}
+
+
+static int eloop_sock_table_requeue(struct eloop_sock_table *table)
+{
+	int i, r;
+
+	r = 0;
+	for (i = 0; i < table->count && table->table; i++) {
+		if (eloop_sock_queue(table->table[i].sock, table->type) == -1)
+			r = -1;
+	}
+	return r;
+}
+
+#endif /* CONFIG_ELOOP_KQUEUE */
+
+
+int eloop_sock_requeue(void)
+{
+	int r = 0;
+
+#ifdef CONFIG_ELOOP_KQUEUE
+	close(eloop.kqueuefd);
+	eloop.kqueuefd = kqueue();
+	if (eloop.kqueuefd < 0) {
+		wpa_printf(MSG_ERROR, "%s: kqueue failed: %s",
+			   __func__, strerror(errno));
+		return -1;
+	}
+
+	if (eloop_sock_table_requeue(&eloop.readers) < 0)
+		r = -1;
+	if (eloop_sock_table_requeue(&eloop.writers) < 0)
+		r = -1;
+	if (eloop_sock_table_requeue(&eloop.exceptions) < 0)
+		r = -1;
+#endif /* CONFIG_ELOOP_KQUEUE */
+
+	return r;
+}
+
+
 static void eloop_sock_table_destroy(struct eloop_sock_table *table)
 {
 	if (table) {
@@ -905,6 +1066,9 @@
 #ifdef CONFIG_ELOOP_EPOLL
 	int timeout_ms = -1;
 #endif /* CONFIG_ELOOP_EPOLL */
+#ifdef CONFIG_ELOOP_KQUEUE
+	struct timespec ts;
+#endif /* CONFIG_ELOOP_KQUEUE */
 	int res;
 	struct os_reltime tv, now;
 
@@ -949,6 +1113,10 @@
 			_tv.tv_sec = tv.sec;
 			_tv.tv_usec = tv.usec;
 #endif /* CONFIG_ELOOP_SELECT */
+#ifdef CONFIG_ELOOP_KQUEUE
+			ts.tv_sec = tv.sec;
+			ts.tv_nsec = tv.usec * 1000L;
+#endif /* CONFIG_ELOOP_KQUEUE */
 		}
 
 #ifdef CONFIG_ELOOP_POLL
@@ -974,6 +1142,15 @@
 					 eloop.count, timeout_ms);
 		}
 #endif /* CONFIG_ELOOP_EPOLL */
+#ifdef CONFIG_ELOOP_KQUEUE
+		if (eloop.count == 0) {
+			res = 0;
+		} else {
+			res = kevent(eloop.kqueuefd, NULL, 0,
+				     eloop.kqueue_events, eloop.kqueue_nevents,
+				     timeout ? &ts : NULL);
+		}
+#endif /* CONFIG_ELOOP_KQUEUE */
 		if (res < 0 && errno != EINTR && errno != 0) {
 			wpa_printf(MSG_ERROR, "eloop: %s: %s",
 #ifdef CONFIG_ELOOP_POLL
@@ -985,6 +1162,10 @@
 #ifdef CONFIG_ELOOP_EPOLL
 				   "epoll"
 #endif /* CONFIG_ELOOP_EPOLL */
+#ifdef CONFIG_ELOOP_KQUEUE
+				   "kqueue"
+#endif /* CONFIG_ELOOP_EKQUEUE */
+
 				   , strerror(errno));
 			goto out;
 		}
@@ -995,6 +1176,7 @@
 
 		eloop_process_pending_signals();
 
+
 		/* check if some registered timeouts have occurred */
 		timeout = dl_list_first(&eloop.timeout, struct eloop_timeout,
 					list);
@@ -1040,6 +1222,9 @@
 #ifdef CONFIG_ELOOP_EPOLL
 		eloop_sock_table_dispatch(eloop.epoll_events, res);
 #endif /* CONFIG_ELOOP_EPOLL */
+#ifdef CONFIG_ELOOP_KQUEUE
+		eloop_sock_table_dispatch(eloop.kqueue_events, res);
+#endif /* CONFIG_ELOOP_KQUEUE */
 	}
 
 	eloop.terminate = 0;
@@ -1092,11 +1277,17 @@
 	os_free(eloop.pollfds);
 	os_free(eloop.pollfds_map);
 #endif /* CONFIG_ELOOP_POLL */
+#if defined(CONFIG_ELOOP_EPOLL) || defined(CONFIG_ELOOP_KQUEUE)
+	os_free(eloop.fd_table);
+#endif /* CONFIG_ELOOP_EPOLL || CONFIG_ELOOP_KQUEUE */
 #ifdef CONFIG_ELOOP_EPOLL
-	os_free(eloop.epoll_table);
 	os_free(eloop.epoll_events);
 	close(eloop.epollfd);
 #endif /* CONFIG_ELOOP_EPOLL */
+#ifdef CONFIG_ELOOP_KQUEUE
+	os_free(eloop.kqueue_events);
+	close(eloop.kqueuefd);
+#endif /* CONFIG_ELOOP_KQUEUE */
 }
 
 
@@ -1135,6 +1326,17 @@
 	FD_SET(sock, &rfds);
 	select(sock + 1, &rfds, NULL, NULL, NULL);
 #endif /* defined(CONFIG_ELOOP_SELECT) || defined(CONFIG_ELOOP_EPOLL) */
+#ifdef CONFIG_ELOOP_KQUEUE
+	int kfd;
+	struct kevent ke1, ke2;
+
+	kfd = kqueue();
+	if (kfd == -1)
+		return;
+	EV_SET(&ke1, sock, EVFILT_READ, EV_ADD | EV_ONESHOT, 0, 0, NULL);
+	kevent(kfd, &ke1, 1, &ke2, 1, NULL);
+	close(kfd);
+#endif /* CONFIG_ELOOP_KQUEUE */
 }
 
 #ifdef CONFIG_ELOOP_SELECT
diff --git a/src/utils/eloop.h b/src/utils/eloop.h
index 07b8c0d..97af16f 100644
--- a/src/utils/eloop.h
+++ b/src/utils/eloop.h
@@ -313,6 +313,14 @@
 				   void *user_data);
 
 /**
+ * eloop_sock_requeue - Requeue sockets
+ *
+ * Requeue sockets after forking because some implementations require this,
+ * such as epoll and kqueue.
+ */
+int eloop_sock_requeue(void);
+
+/**
  * eloop_run - Start the event loop
  *
  * Start the event loop and continue running as long as there are any
diff --git a/src/utils/eloop_win.c b/src/utils/eloop_win.c
index de47fb2..9c8b12b 100644
--- a/src/utils/eloop_win.c
+++ b/src/utils/eloop_win.c
@@ -692,3 +692,9 @@
 	WSAEventSelect(sock, event, 0);
 	WSACloseEvent(event);
 }
+
+
+int eloop_sock_requeue(void)
+{
+	return 0;
+}
diff --git a/src/utils/http_curl.c b/src/utils/http_curl.c
index 9c49680..bf32ab8 100644
--- a/src/utils/http_curl.c
+++ b/src/utils/http_curl.c
@@ -644,13 +644,25 @@
 	} else {
 		BIO_printf(out, "%*stype: default (1)\n", indent, "");
 	}
+	val = ASN1_INTEGER_get(info->fileSize);
+	BIO_printf(out, "%*sfileSize: %ld\n", indent, "", val);
 	val = ASN1_INTEGER_get(info->xSize);
 	BIO_printf(out, "%*sxSize: %ld\n", indent, "", val);
 	val = ASN1_INTEGER_get(info->ySize);
 	BIO_printf(out, "%*sySize: %ld\n", indent, "", val);
 	if (info->resolution) {
-		BIO_printf(out, "%*sresolution\n", indent, "");
-		/* TODO */
+		BIO_printf(out, "%*sresolution [%d]\n", indent, "",
+			   info->resolution->type);
+		switch (info->resolution->type) {
+		case 0:
+			val = ASN1_INTEGER_get(info->resolution->d.numBits);
+			BIO_printf(out, "%*snumBits: %ld\n", indent, "", val);
+			break;
+		case 1:
+			val = ASN1_INTEGER_get(info->resolution->d.tableSize);
+			BIO_printf(out, "%*stableSize: %ld\n", indent, "", val);
+			break;
+		}
 	}
 	if (info->language) {
 		BIO_printf(out, "%*slanguage: ", indent, "");
diff --git a/src/utils/wpabuf.h b/src/utils/wpabuf.h
index c3ef1ba..9cd8a07 100644
--- a/src/utils/wpabuf.h
+++ b/src/utils/wpabuf.h
@@ -81,7 +81,7 @@
 
 static inline const u8 * wpabuf_head_u8(const struct wpabuf *buf)
 {
-	return wpabuf_head(buf);
+	return (const u8 *) wpabuf_head(buf);
 }
 
 /**
@@ -96,42 +96,42 @@
 
 static inline u8 * wpabuf_mhead_u8(struct wpabuf *buf)
 {
-	return wpabuf_mhead(buf);
+	return (u8 *) wpabuf_mhead(buf);
 }
 
 static inline void wpabuf_put_u8(struct wpabuf *buf, u8 data)
 {
-	u8 *pos = wpabuf_put(buf, 1);
+	u8 *pos = (u8 *) wpabuf_put(buf, 1);
 	*pos = data;
 }
 
 static inline void wpabuf_put_le16(struct wpabuf *buf, u16 data)
 {
-	u8 *pos = wpabuf_put(buf, 2);
+	u8 *pos = (u8 *) wpabuf_put(buf, 2);
 	WPA_PUT_LE16(pos, data);
 }
 
 static inline void wpabuf_put_le32(struct wpabuf *buf, u32 data)
 {
-	u8 *pos = wpabuf_put(buf, 4);
+	u8 *pos = (u8 *) wpabuf_put(buf, 4);
 	WPA_PUT_LE32(pos, data);
 }
 
 static inline void wpabuf_put_be16(struct wpabuf *buf, u16 data)
 {
-	u8 *pos = wpabuf_put(buf, 2);
+	u8 *pos = (u8 *) wpabuf_put(buf, 2);
 	WPA_PUT_BE16(pos, data);
 }
 
 static inline void wpabuf_put_be24(struct wpabuf *buf, u32 data)
 {
-	u8 *pos = wpabuf_put(buf, 3);
+	u8 *pos = (u8 *) wpabuf_put(buf, 3);
 	WPA_PUT_BE24(pos, data);
 }
 
 static inline void wpabuf_put_be32(struct wpabuf *buf, u32 data)
 {
-	u8 *pos = wpabuf_put(buf, 4);
+	u8 *pos = (u8 *) wpabuf_put(buf, 4);
 	WPA_PUT_BE32(pos, data);
 }
 
diff --git a/wpa_supplicant/Makefile b/wpa_supplicant/Makefile
index 8fa35e5..234a0bf 100644
--- a/wpa_supplicant/Makefile
+++ b/wpa_supplicant/Makefile
@@ -170,6 +170,10 @@
 CFLAGS += -DCONFIG_ELOOP_EPOLL
 endif
 
+ifdef CONFIG_ELOOP_KQUEUE
+CFLAGS += -DCONFIG_ELOOP_KQUEUE
+endif
+
 ifdef CONFIG_EAPOL_TEST
 CFLAGS += -Werror -DEAPOL_TEST
 endif
diff --git a/wpa_supplicant/README b/wpa_supplicant/README
index 61be543..3223312 100644
--- a/wpa_supplicant/README
+++ b/wpa_supplicant/README
@@ -409,7 +409,7 @@
 --------------------
 
 usage:
-  wpa_supplicant [-BddfhKLqqtuvwW] [-P<pid file>] [-g<global ctrl>] \
+  wpa_supplicant [-BddfhKLqqtuvW] [-P<pid file>] [-g<global ctrl>] \
         [-G<group>] \
         -i<ifname> -c<config file> [-C<ctrl>] [-D<driver>] [-p<driver_param>] \
         [-b<br_ifname> [-N -i<ifname> -c<conf> [-C<ctrl>] [-D<driver>] \
@@ -435,7 +435,6 @@
   -q = decrease debugging verbosity (-qq even less)
   -u = enable DBus control interface
   -v = show version
-  -w = wait for interface to be added, if needed
   -W = wait for a control interface monitor before starting
   -N = start describing new interface
   -m = Configuration file for the P2P Device
diff --git a/wpa_supplicant/ap.c b/wpa_supplicant/ap.c
index 105fb1c..98b9596 100644
--- a/wpa_supplicant/ap.c
+++ b/wpa_supplicant/ap.c
@@ -92,6 +92,7 @@
 	conf->vht_oper_centr_freq_seg0_idx =
 		conf->channel + conf->secondary_channel * 2;
 #endif /* CONFIG_P2P */
+	conf->vht_oper_chwidth = VHT_CHANWIDTH_USE_HT;
 }
 #endif /* CONFIG_IEEE80211N */
 
diff --git a/wpa_supplicant/dbus/dbus-wpa_supplicant.conf b/wpa_supplicant/dbus/dbus-wpa_supplicant.conf
index c091234..382dcb3 100644
--- a/wpa_supplicant/dbus/dbus-wpa_supplicant.conf
+++ b/wpa_supplicant/dbus/dbus-wpa_supplicant.conf
@@ -17,11 +17,9 @@
         <policy context="default">
                 <deny own="fi.epitest.hostap.WPASupplicant"/>
                 <deny send_destination="fi.epitest.hostap.WPASupplicant"/>
-                <deny send_interface="fi.epitest.hostap.WPASupplicant"/>
 
                 <deny own="fi.w1.wpa_supplicant1"/>
                 <deny send_destination="fi.w1.wpa_supplicant1"/>
-                <deny send_interface="fi.w1.wpa_supplicant1"/>
                 <deny receive_sender="fi.w1.wpa_supplicant1" receive_type="signal"/>
         </policy>
 </busconfig>
diff --git a/wpa_supplicant/dbus/dbus_new_handlers.c b/wpa_supplicant/dbus/dbus_new_handlers.c
index 6b77008..09461c5 100644
--- a/wpa_supplicant/dbus/dbus_new_handlers.c
+++ b/wpa_supplicant/dbus/dbus_new_handlers.c
@@ -2645,6 +2645,7 @@
 	     !wpa_dbus_dict_string_array_add_element(
 		     &iter_array, "ap")) ||
 	    (res >= 0 && (capa.flags & WPA_DRIVER_FLAGS_P2P_CAPABLE) &&
+	     !wpa_s->conf->p2p_disabled &&
 	     !wpa_dbus_dict_string_array_add_element(
 		     &iter_array, "p2p")) ||
 	    !wpa_dbus_dict_end_string_array(&iter_dict,
diff --git a/wpa_supplicant/eapol_test.c b/wpa_supplicant/eapol_test.c
index 7c7d54a..1aede79 100644
--- a/wpa_supplicant/eapol_test.c
+++ b/wpa_supplicant/eapol_test.c
@@ -193,7 +193,7 @@
 		return;
 	}
 
-	radius_msg_make_authenticator(msg, (u8 *) e, sizeof(*e));
+	radius_msg_make_authenticator(msg);
 
 	hdr = (const struct eap_hdr *) eap;
 	pos = (const u8 *) (hdr + 1);
diff --git a/wpa_supplicant/mesh_mpm.c b/wpa_supplicant/mesh_mpm.c
index d509d7d..27be46c 100644
--- a/wpa_supplicant/mesh_mpm.c
+++ b/wpa_supplicant/mesh_mpm.c
@@ -1095,8 +1095,10 @@
 
 
 /* called by ap_free_sta */
-void mesh_mpm_free_sta(struct sta_info *sta)
+void mesh_mpm_free_sta(struct hostapd_data *hapd, struct sta_info *sta)
 {
+	if (sta->plink_state == PLINK_ESTAB)
+		hapd->num_plinks--;
 	eloop_cancel_timeout(plink_timer, ELOOP_ALL_CTX, sta);
 	eloop_cancel_timeout(mesh_auth_timer, ELOOP_ALL_CTX, sta);
 }
diff --git a/wpa_supplicant/mesh_mpm.h b/wpa_supplicant/mesh_mpm.h
index 7ebaef0..9af7563 100644
--- a/wpa_supplicant/mesh_mpm.h
+++ b/wpa_supplicant/mesh_mpm.h
@@ -14,7 +14,7 @@
 			    struct ieee802_11_elems *elems);
 void mesh_mpm_deinit(struct wpa_supplicant *wpa_s, struct hostapd_iface *ifmsh);
 void mesh_mpm_auth_peer(struct wpa_supplicant *wpa_s, const u8 *addr);
-void mesh_mpm_free_sta(struct sta_info *sta);
+void mesh_mpm_free_sta(struct hostapd_data *hapd, struct sta_info *sta);
 void wpa_mesh_set_plink_state(struct wpa_supplicant *wpa_s,
 			      struct sta_info *sta,
 			      enum mesh_plink_state state);
diff --git a/wpa_supplicant/wnm_sta.c b/wpa_supplicant/wnm_sta.c
index e1596cb..ffc9052 100644
--- a/wpa_supplicant/wnm_sta.c
+++ b/wpa_supplicant/wnm_sta.c
@@ -429,6 +429,7 @@
 {
 	struct wpa_bss *bss = wpa_s->current_bss;
 	const char *country = NULL;
+	int freq;
 
 	if (bss) {
 		const u8 *elem = wpa_bss_get_ie(bss, WLAN_EID_COUNTRY);
@@ -437,7 +438,21 @@
 			country = (const char *) (elem + 2);
 	}
 
-	return ieee80211_chan_to_freq(country, op_class, chan);
+	freq = ieee80211_chan_to_freq(country, op_class, chan);
+	if (freq <= 0 && op_class == 0) {
+		/*
+		 * Some APs do not advertise correct operating class
+		 * information. Try to determine the most likely operating
+		 * frequency based on the channel number.
+		 */
+		if (chan >= 1 && chan <= 13)
+			freq = 2407 + chan * 5;
+		else if (chan == 14)
+			freq = 2484;
+		else if (chan >= 36 && chan <= 169)
+			freq = 5000 + chan * 5;
+	}
+	return freq;
 }
 
 
diff --git a/wpa_supplicant/wpa_cli.c b/wpa_supplicant/wpa_cli.c
index 1aea0a6..265f72c 100644
--- a/wpa_supplicant/wpa_cli.c
+++ b/wpa_supplicant/wpa_cli.c
@@ -4441,7 +4441,7 @@
 			}
 		}
 
-		if (daemonize && os_daemonize(pid_file))
+		if (daemonize && os_daemonize(pid_file) && eloop_sock_requeue())
 			return -1;
 
 		if (action_file)
diff --git a/wpa_supplicant/wpa_priv.c b/wpa_supplicant/wpa_priv.c
index fa5a6de..3f91cc1 100644
--- a/wpa_supplicant/wpa_priv.c
+++ b/wpa_supplicant/wpa_priv.c
@@ -1128,7 +1128,7 @@
 		interfaces = iface;
 	}
 
-	if (daemonize && os_daemonize(pid_file))
+	if (daemonize && os_daemonize(pid_file) && eloop_sock_requeue())
 		goto out;
 
 	eloop_register_signal_terminate(wpa_priv_terminate, NULL);
diff --git a/wpa_supplicant/wpa_supplicant.c b/wpa_supplicant/wpa_supplicant.c
index 03b1353..c3c1f14 100644
--- a/wpa_supplicant/wpa_supplicant.c
+++ b/wpa_supplicant/wpa_supplicant.c
@@ -5221,7 +5221,8 @@
 	struct wpa_supplicant *wpa_s;
 
 	if (global->params.daemonize &&
-	    wpa_supplicant_daemon(global->params.pid_file))
+	    (wpa_supplicant_daemon(global->params.pid_file) ||
+	     eloop_sock_requeue()))
 		return -1;
 
 	if (global->params.wait_for_monitor) {