diff --git a/hostapd/Android.mk b/hostapd/Android.mk
index 65ec4fd..96500b6 100644
--- a/hostapd/Android.mk
+++ b/hostapd/Android.mk
@@ -187,6 +187,7 @@
 ifdef CONFIG_NO_CTRL_IFACE
 L_CFLAGS += -DCONFIG_NO_CTRL_IFACE
 else
+OBJS += src/common/ctrl_iface_common.c
 OBJS += ctrl_iface.c
 OBJS += src/ap/ctrl_iface_ap.c
 endif
diff --git a/hostapd/Makefile b/hostapd/Makefile
index 62f3b32..e0d25a5 100644
--- a/hostapd/Makefile
+++ b/hostapd/Makefile
@@ -206,11 +206,35 @@
 ifdef CONFIG_NO_CTRL_IFACE
 CFLAGS += -DCONFIG_NO_CTRL_IFACE
 else
+ifeq ($(CONFIG_CTRL_IFACE), udp)
+CFLAGS += -DCONFIG_CTRL_IFACE_UDP
+else
+ifeq ($(CONFIG_CTRL_IFACE), udp6)
+CFLAGS += -DCONFIG_CTRL_IFACE_UDP
+CFLAGS += -DCONFIG_CTRL_IFACE_UDP_IPV6
+else
+ifeq ($(CONFIG_CTRL_IFACE), udp-remote)
+CFLAGS += -DCONFIG_CTRL_IFACE_UDP
+CFLAGS += -DCONFIG_CTRL_IFACE_UDP_REMOTE
+else
+ifeq ($(CONFIG_CTRL_IFACE), udp6-remote)
+CFLAGS += -DCONFIG_CTRL_IFACE_UDP
+CFLAGS += -DCONFIG_CTRL_IFACE_UDP_REMOTE
+CFLAGS += -DCONFIG_CTRL_IFACE_UDP_IPV6
+else
+CFLAGS += -DCONFIG_CTRL_IFACE_UNIX
+endif
+endif
+endif
+endif
+OBJS += ../src/common/ctrl_iface_common.o
 OBJS += ctrl_iface.o
 OBJS += ../src/ap/ctrl_iface_ap.o
 endif
 
-CFLAGS += -DCONFIG_CTRL_IFACE -DCONFIG_CTRL_IFACE_UNIX
+ifndef CONFIG_NO_CTRL_IFACE
+CFLAGS += -DCONFIG_CTRL_IFACE
+endif
 
 ifdef CONFIG_IAPP
 CFLAGS += -DCONFIG_IAPP
diff --git a/hostapd/config_file.c b/hostapd/config_file.c
index a157a74..6f525d9 100644
--- a/hostapd/config_file.c
+++ b/hostapd/config_file.c
@@ -2826,6 +2826,8 @@
 				   line);
 			return 1;
 		}
+	} else if (os_strcmp(buf, "use_driver_iface_addr") == 0) {
+		conf->use_driver_iface_addr = atoi(pos);
 #ifdef CONFIG_IEEE80211W
 	} else if (os_strcmp(buf, "ieee80211w") == 0) {
 		bss->ieee80211w = atoi(pos);
diff --git a/hostapd/ctrl_iface.c b/hostapd/ctrl_iface.c
index c0008fd..33819ab 100644
--- a/hostapd/ctrl_iface.c
+++ b/hostapd/ctrl_iface.c
@@ -19,10 +19,15 @@
 #include <sys/stat.h>
 #include <stddef.h>
 
+#ifdef CONFIG_CTRL_IFACE_UDP
+#include <netdb.h>
+#endif /* CONFIG_CTRL_IFACE_UDP */
+
 #include "utils/common.h"
 #include "utils/eloop.h"
 #include "common/version.h"
 #include "common/ieee802_11_defs.h"
+#include "common/ctrl_iface_common.h"
 #include "crypto/tls.h"
 #include "drivers/driver.h"
 #include "eapol_auth/eapol_auth_sm.h"
@@ -51,14 +56,15 @@
 
 #define HOSTAPD_CLI_DUP_VALUE_MAX_LEN 256
 
-struct wpa_ctrl_dst {
-	struct wpa_ctrl_dst *next;
-	struct sockaddr_un addr;
-	socklen_t addrlen;
-	int debug_level;
-	int errors;
-};
-
+#ifdef CONFIG_CTRL_IFACE_UDP
+#define COOKIE_LEN 8
+static unsigned char cookie[COOKIE_LEN];
+static unsigned char gcookie[COOKIE_LEN];
+#define HOSTAPD_CTRL_IFACE_PORT		8877
+#define HOSTAPD_CTRL_IFACE_PORT_LIMIT	50
+#define HOSTAPD_GLOBAL_CTRL_IFACE_PORT		8878
+#define HOSTAPD_GLOBAL_CTRL_IFACE_PORT_LIMIT	50
+#endif /* CONFIG_CTRL_IFACE_UDP */
 
 static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level,
 				    enum wpa_msg_type type,
@@ -66,81 +72,27 @@
 
 
 static int hostapd_ctrl_iface_attach(struct hostapd_data *hapd,
-				     struct sockaddr_un *from,
+				     struct sockaddr_storage *from,
 				     socklen_t fromlen)
 {
-	struct wpa_ctrl_dst *dst;
-
-	dst = os_zalloc(sizeof(*dst));
-	if (dst == NULL)
-		return -1;
-	os_memcpy(&dst->addr, from, sizeof(struct sockaddr_un));
-	dst->addrlen = fromlen;
-	dst->debug_level = MSG_INFO;
-	dst->next = hapd->ctrl_dst;
-	hapd->ctrl_dst = dst;
-	wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor attached",
-		    (u8 *) from->sun_path,
-		    fromlen - offsetof(struct sockaddr_un, sun_path));
-	return 0;
+	return ctrl_iface_attach(&hapd->ctrl_dst, from, fromlen);
 }
 
 
 static int hostapd_ctrl_iface_detach(struct hostapd_data *hapd,
-				     struct sockaddr_un *from,
+				     struct sockaddr_storage *from,
 				     socklen_t fromlen)
 {
-	struct wpa_ctrl_dst *dst, *prev = NULL;
-
-	dst = hapd->ctrl_dst;
-	while (dst) {
-		if (fromlen == dst->addrlen &&
-		    os_memcmp(from->sun_path, dst->addr.sun_path,
-			      fromlen - offsetof(struct sockaddr_un, sun_path))
-		    == 0) {
-			wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor detached",
-				    (u8 *) from->sun_path,
-				    fromlen -
-				    offsetof(struct sockaddr_un, sun_path));
-			if (prev == NULL)
-				hapd->ctrl_dst = dst->next;
-			else
-				prev->next = dst->next;
-			os_free(dst);
-			return 0;
-		}
-		prev = dst;
-		dst = dst->next;
-	}
-	return -1;
+	return ctrl_iface_detach(&hapd->ctrl_dst, from, fromlen);
 }
 
 
 static int hostapd_ctrl_iface_level(struct hostapd_data *hapd,
-				    struct sockaddr_un *from,
+				    struct sockaddr_storage *from,
 				    socklen_t fromlen,
 				    char *level)
 {
-	struct wpa_ctrl_dst *dst;
-
-	wpa_printf(MSG_DEBUG, "CTRL_IFACE LEVEL %s", level);
-
-	dst = hapd->ctrl_dst;
-	while (dst) {
-		if (fromlen == dst->addrlen &&
-		    os_memcmp(from->sun_path, dst->addr.sun_path,
-			      fromlen - offsetof(struct sockaddr_un, sun_path))
-		    == 0) {
-			wpa_hexdump(MSG_DEBUG, "CTRL_IFACE changed monitor "
-				    "level", (u8 *) from->sun_path, fromlen -
-				    offsetof(struct sockaddr_un, sun_path));
-			dst->debug_level = atoi(level);
-			return 0;
-		}
-		dst = dst->next;
-	}
-
-	return -1;
+	return ctrl_iface_level(&hapd->ctrl_dst, from, fromlen, level);
 }
 
 
@@ -2122,7 +2074,7 @@
 static int hostapd_ctrl_iface_receive_process(struct hostapd_data *hapd,
 					      char *buf, char *reply,
 					      int reply_size,
-					      struct sockaddr_un *from,
+					      struct sockaddr_storage *from,
 					      socklen_t fromlen)
 {
 	int reply_len, res;
@@ -2375,12 +2327,15 @@
 	struct hostapd_data *hapd = eloop_ctx;
 	char buf[4096];
 	int res;
-	struct sockaddr_un from;
+	struct sockaddr_storage from;
 	socklen_t fromlen = sizeof(from);
-	char *reply;
+	char *reply, *pos = buf;
 	const int reply_size = 4096;
 	int reply_len;
 	int level = MSG_DEBUG;
+#ifdef CONFIG_CTRL_IFACE_UDP
+	unsigned char lcookie[COOKIE_LEN];
+#endif /* CONFIG_CTRL_IFACE_UDP */
 
 	res = recvfrom(sock, buf, sizeof(buf) - 1, 0,
 		       (struct sockaddr *) &from, &fromlen);
@@ -2390,9 +2345,6 @@
 		return;
 	}
 	buf[res] = '\0';
-	if (os_strcmp(buf, "PING") == 0)
-		level = MSG_EXCESSIVE;
-	wpa_hexdump_ascii(level, "RX ctrl_iface", (u8 *) buf, res);
 
 	reply = os_malloc(reply_size);
 	if (reply == NULL) {
@@ -2404,10 +2356,46 @@
 		return;
 	}
 
-	reply_len = hostapd_ctrl_iface_receive_process(hapd, buf,
+#ifdef CONFIG_CTRL_IFACE_UDP
+	if (os_strcmp(buf, "GET_COOKIE") == 0) {
+		os_memcpy(reply, "COOKIE=", 7);
+		wpa_snprintf_hex(reply + 7, 2 * COOKIE_LEN + 1,
+				 cookie, COOKIE_LEN);
+		reply_len = 7 + 2 * COOKIE_LEN;
+		goto done;
+	}
+
+	if (os_strncmp(buf, "COOKIE=", 7) != 0 ||
+	    hexstr2bin(buf + 7, lcookie, COOKIE_LEN) < 0) {
+		wpa_printf(MSG_DEBUG,
+			   "CTRL: No cookie in the request - drop request");
+		os_free(reply);
+		return;
+	}
+
+	if (os_memcmp(cookie, lcookie, COOKIE_LEN) != 0) {
+		wpa_printf(MSG_DEBUG,
+			   "CTRL: Invalid cookie in the request - drop request");
+		os_free(reply);
+		return;
+	}
+
+	pos = buf + 7 + 2 * COOKIE_LEN;
+	while (*pos == ' ')
+		pos++;
+#endif /* CONFIG_CTRL_IFACE_UDP */
+
+	if (os_strcmp(pos, "PING") == 0)
+		level = MSG_EXCESSIVE;
+	wpa_hexdump_ascii(level, "RX ctrl_iface", pos, res);
+
+	reply_len = hostapd_ctrl_iface_receive_process(hapd, pos,
 						       reply, reply_size,
 						       &from, fromlen);
 
+#ifdef CONFIG_CTRL_IFACE_UDP
+done:
+#endif /* CONFIG_CTRL_IFACE_UDP */
 	if (sendto(sock, reply, reply_len, 0, (struct sockaddr *) &from,
 		   fromlen) < 0) {
 		wpa_printf(MSG_DEBUG, "CTRL: sendto failed: %s",
@@ -2417,6 +2405,7 @@
 }
 
 
+#ifndef CONFIG_CTRL_IFACE_UDP
 static char * hostapd_ctrl_iface_path(struct hostapd_data *hapd)
 {
 	char *buf;
@@ -2436,6 +2425,7 @@
 	buf[len - 1] = '\0';
 	return buf;
 }
+#endif /* CONFIG_CTRL_IFACE_UDP */
 
 
 static void hostapd_ctrl_iface_msg_cb(void *ctx, int level,
@@ -2451,6 +2441,99 @@
 
 int hostapd_ctrl_iface_init(struct hostapd_data *hapd)
 {
+#ifdef CONFIG_CTRL_IFACE_UDP
+	int port = HOSTAPD_CTRL_IFACE_PORT;
+	char p[32] = { 0 };
+	char port_str[40], *tmp;
+	char *pos;
+	struct addrinfo hints = { 0 }, *res, *saveres;
+	int n;
+
+	if (hapd->ctrl_sock > -1) {
+		wpa_printf(MSG_DEBUG, "ctrl_iface already exists!");
+		return 0;
+	}
+
+	if (hapd->conf->ctrl_interface == NULL)
+		return 0;
+
+	pos = os_strstr(hapd->conf->ctrl_interface, "udp:");
+	if (pos) {
+		pos += 4;
+		port = atoi(pos);
+		if (port <= 0) {
+			wpa_printf(MSG_ERROR, "Invalid ctrl_iface UDP port");
+			goto fail;
+		}
+	}
+
+	dl_list_init(&hapd->ctrl_dst);
+	hapd->ctrl_sock = -1;
+	os_get_random(cookie, COOKIE_LEN);
+
+#ifdef CONFIG_CTRL_IFACE_UDP_REMOTE
+	hints.ai_flags = AI_PASSIVE;
+#endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */
+
+#ifdef CONFIG_CTRL_IFACE_UDP_IPV6
+	hints.ai_family = AF_INET6;
+#else /* CONFIG_CTRL_IFACE_UDP_IPV6 */
+	hints.ai_family = AF_INET;
+#endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */
+	hints.ai_socktype = SOCK_DGRAM;
+
+try_again:
+	os_snprintf(p, sizeof(p), "%d", port);
+	n = getaddrinfo(NULL, p, &hints, &res);
+	if (n) {
+		wpa_printf(MSG_ERROR, "getaddrinfo(): %s", gai_strerror(n));
+		goto fail;
+	}
+
+	saveres = res;
+	hapd->ctrl_sock = socket(res->ai_family, res->ai_socktype,
+				 res->ai_protocol);
+	if (hapd->ctrl_sock < 0) {
+		wpa_printf(MSG_ERROR, "socket(PF_INET): %s", strerror(errno));
+		goto fail;
+	}
+
+	if (bind(hapd->ctrl_sock, res->ai_addr, res->ai_addrlen) < 0) {
+		port--;
+		if ((HOSTAPD_CTRL_IFACE_PORT - port) <
+		    HOSTAPD_CTRL_IFACE_PORT_LIMIT && !pos)
+			goto try_again;
+		wpa_printf(MSG_ERROR, "bind(AF_INET): %s", strerror(errno));
+		goto fail;
+	}
+
+	freeaddrinfo(saveres);
+
+	os_snprintf(port_str, sizeof(port_str), "udp:%d", port);
+	tmp = os_strdup(port_str);
+	if (tmp) {
+		os_free(hapd->conf->ctrl_interface);
+		hapd->conf->ctrl_interface = tmp;
+	}
+	wpa_printf(MSG_DEBUG, "ctrl_iface_init UDP port: %d", port);
+
+	if (eloop_register_read_sock(hapd->ctrl_sock,
+				     hostapd_ctrl_iface_receive, hapd, NULL) <
+	    0) {
+		hostapd_ctrl_iface_deinit(hapd);
+		return -1;
+	}
+
+	hapd->msg_ctx = hapd;
+	wpa_msg_register_cb(hostapd_ctrl_iface_msg_cb);
+
+	return 0;
+
+fail:
+	if (hapd->ctrl_sock >= 0)
+		close(hapd->ctrl_sock);
+	return -1;
+#else /* CONFIG_CTRL_IFACE_UDP */
 	struct sockaddr_un addr;
 	int s = -1;
 	char *fname = NULL;
@@ -2460,6 +2543,8 @@
 		return 0;
 	}
 
+	dl_list_init(&hapd->ctrl_dst);
+
 	if (hapd->conf->ctrl_interface == NULL)
 		return 0;
 
@@ -2599,6 +2684,7 @@
 		os_free(fname);
 	}
 	return -1;
+#endif /* CONFIG_CTRL_IFACE_UDP */
 }
 
 
@@ -2607,10 +2693,14 @@
 	struct wpa_ctrl_dst *dst, *prev;
 
 	if (hapd->ctrl_sock > -1) {
+#ifndef CONFIG_CTRL_IFACE_UDP
 		char *fname;
+#endif /* !CONFIG_CTRL_IFACE_UDP */
+
 		eloop_unregister_read_sock(hapd->ctrl_sock);
 		close(hapd->ctrl_sock);
 		hapd->ctrl_sock = -1;
+#ifndef CONFIG_CTRL_IFACE_UDP
 		fname = hostapd_ctrl_iface_path(hapd);
 		if (fname)
 			unlink(fname);
@@ -2629,15 +2719,12 @@
 					   strerror(errno));
 			}
 		}
+#endif /* !CONFIG_CTRL_IFACE_UDP */
 	}
 
-	dst = hapd->ctrl_dst;
-	hapd->ctrl_dst = NULL;
-	while (dst) {
-		prev = dst;
-		dst = dst->next;
-		os_free(prev);
-	}
+	dl_list_for_each_safe(dst, prev, &hapd->ctrl_dst, struct wpa_ctrl_dst,
+			      list)
+		os_free(dst);
 
 #ifdef CONFIG_TESTING_OPTIONS
 	l2_packet_deinit(hapd->l2_test);
@@ -2669,54 +2756,18 @@
 
 
 static int hostapd_global_ctrl_iface_attach(struct hapd_interfaces *interfaces,
-					    struct sockaddr_un *from,
+					    struct sockaddr_storage *from,
 					    socklen_t fromlen)
 {
-	struct wpa_ctrl_dst *dst;
-
-	dst = os_zalloc(sizeof(*dst));
-	if (dst == NULL)
-		return -1;
-	os_memcpy(&dst->addr, from, sizeof(struct sockaddr_un));
-	dst->addrlen = fromlen;
-	dst->debug_level = MSG_INFO;
-	dst->next = interfaces->global_ctrl_dst;
-	interfaces->global_ctrl_dst = dst;
-	wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor attached (global)",
-		    from->sun_path,
-		    fromlen - offsetof(struct sockaddr_un, sun_path));
-	return 0;
+	return ctrl_iface_attach(&interfaces->global_ctrl_dst, from, fromlen);
 }
 
 
 static int hostapd_global_ctrl_iface_detach(struct hapd_interfaces *interfaces,
-					    struct sockaddr_un *from,
+					    struct sockaddr_storage *from,
 					    socklen_t fromlen)
 {
-	struct wpa_ctrl_dst *dst, *prev = NULL;
-
-	dst = interfaces->global_ctrl_dst;
-	while (dst) {
-		if (fromlen == dst->addrlen &&
-		    os_memcmp(from->sun_path, dst->addr.sun_path,
-			      fromlen - offsetof(struct sockaddr_un, sun_path))
-		    == 0) {
-			wpa_hexdump(MSG_DEBUG,
-				    "CTRL_IFACE monitor detached (global)",
-				    from->sun_path,
-				    fromlen -
-				    offsetof(struct sockaddr_un, sun_path));
-			if (prev == NULL)
-				interfaces->global_ctrl_dst = dst->next;
-			else
-				prev->next = dst->next;
-			os_free(dst);
-			return 0;
-		}
-		prev = dst;
-		dst = dst->next;
-	}
-	return -1;
+	return ctrl_iface_detach(&interfaces->global_ctrl_dst, from, fromlen);
 }
 
 
@@ -2870,6 +2921,51 @@
 
 
 static int
+hostapd_global_ctrl_iface_interfaces(struct hapd_interfaces *interfaces,
+				     const char *input,
+				     char *reply, int reply_size)
+{
+	size_t i, j;
+	int res;
+	char *pos, *end;
+	struct hostapd_iface *iface;
+	int show_ctrl = 0;
+
+	if (input)
+		show_ctrl = !!os_strstr(input, "ctrl");
+
+	pos = reply;
+	end = reply + reply_size;
+
+	for (i = 0; i < interfaces->count; i++) {
+		iface = interfaces->iface[i];
+
+		for (j = 0; j < iface->num_bss; j++) {
+			struct hostapd_bss_config *conf;
+
+			conf = iface->conf->bss[j];
+			if (show_ctrl)
+				res = os_snprintf(pos, end - pos,
+						  "%s ctrl_iface=%s\n",
+						  conf->iface,
+						  conf->ctrl_interface ?
+						  conf->ctrl_interface : "N/A");
+			else
+				res = os_snprintf(pos, end - pos, "%s\n",
+						  conf->iface);
+			if (os_snprintf_error(end - pos, res)) {
+				*pos = '\0';
+				return pos - reply;
+			}
+			pos += res;
+		}
+	}
+
+	return pos - reply;
+}
+
+
+static int
 hostapd_global_ctrl_iface_dup_network(struct hapd_interfaces *interfaces,
 				      char *cmd)
 {
@@ -2918,7 +3014,7 @@
 					    const char *ifname,
 					    char *buf, char *reply,
 					    int reply_size,
-					    struct sockaddr_un *from,
+					    struct sockaddr_storage *from,
 					    socklen_t fromlen)
 {
 	struct hostapd_data *hapd;
@@ -2942,15 +3038,18 @@
 					      void *sock_ctx)
 {
 	void *interfaces = eloop_ctx;
-	char buf[256];
+	char buffer[256], *buf = buffer;
 	int res;
-	struct sockaddr_un from;
+	struct sockaddr_storage from;
 	socklen_t fromlen = sizeof(from);
 	char *reply;
 	int reply_len;
 	const int reply_size = 4096;
+#ifdef CONFIG_CTRL_IFACE_UDP
+	unsigned char lcookie[COOKIE_LEN];
+#endif /* CONFIG_CTRL_IFACE_UDP */
 
-	res = recvfrom(sock, buf, sizeof(buf) - 1, 0,
+	res = recvfrom(sock, buffer, sizeof(buffer) - 1, 0,
 		       (struct sockaddr *) &from, &fromlen);
 	if (res < 0) {
 		wpa_printf(MSG_ERROR, "recvfrom(ctrl_iface): %s",
@@ -2973,6 +3072,35 @@
 	os_memcpy(reply, "OK\n", 3);
 	reply_len = 3;
 
+#ifdef CONFIG_CTRL_IFACE_UDP
+	if (os_strcmp(buf, "GET_COOKIE") == 0) {
+		os_memcpy(reply, "COOKIE=", 7);
+		wpa_snprintf_hex(reply + 7, 2 * COOKIE_LEN + 1,
+				 gcookie, COOKIE_LEN);
+		reply_len = 7 + 2 * COOKIE_LEN;
+		goto send_reply;
+	}
+
+	if (os_strncmp(buf, "COOKIE=", 7) != 0 ||
+	    hexstr2bin(buf + 7, lcookie, COOKIE_LEN) < 0) {
+		wpa_printf(MSG_DEBUG,
+			   "CTRL: No cookie in the request - drop request");
+		os_free(reply);
+		return;
+	}
+
+	if (os_memcmp(gcookie, lcookie, COOKIE_LEN) != 0) {
+		wpa_printf(MSG_DEBUG,
+			   "CTRL: Invalid cookie in the request - drop request");
+		os_free(reply);
+		return;
+	}
+
+	buf += 7 + 2 * COOKIE_LEN;
+	while (*buf == ' ')
+		buf++;
+#endif /* CONFIG_CTRL_IFACE_UDP */
+
 	if (os_strncmp(buf, "IFNAME=", 7) == 0) {
 		char *pos = os_strchr(buf + 7, ' ');
 
@@ -3033,6 +3161,11 @@
 			reply_len = os_snprintf(reply, reply_size, "OK\n");
 		else
 			reply_len = -1;
+	} else if (os_strncmp(buf, "INTERFACES", 10) == 0) {
+		reply_len = hostapd_global_ctrl_iface_interfaces(
+			interfaces, buf + 10, reply, sizeof(buffer));
+	} else if (os_strcmp(buf, "TERMINATE") == 0) {
+		eloop_terminate();
 	} else {
 		wpa_printf(MSG_DEBUG, "Unrecognized global ctrl_iface command "
 			   "ignored");
@@ -3054,6 +3187,7 @@
 }
 
 
+#ifndef CONFIG_CTRL_IFACE_UDP
 static char * hostapd_global_ctrl_iface_path(struct hapd_interfaces *interface)
 {
 	char *buf;
@@ -3073,10 +3207,95 @@
 	buf[len - 1] = '\0';
 	return buf;
 }
+#endif /* CONFIG_CTRL_IFACE_UDP */
 
 
 int hostapd_global_ctrl_iface_init(struct hapd_interfaces *interface)
 {
+#ifdef CONFIG_CTRL_IFACE_UDP
+	int port = HOSTAPD_GLOBAL_CTRL_IFACE_PORT;
+	char p[32] = { 0 };
+	char *pos;
+	struct addrinfo hints = { 0 }, *res, *saveres;
+	int n;
+
+	if (interface->global_ctrl_sock > -1) {
+		wpa_printf(MSG_DEBUG, "ctrl_iface already exists!");
+		return 0;
+	}
+
+	if (interface->global_iface_path == NULL)
+		return 0;
+
+	pos = os_strstr(interface->global_iface_path, "udp:");
+	if (pos) {
+		pos += 4;
+		port = atoi(pos);
+		if (port <= 0) {
+			wpa_printf(MSG_ERROR, "Invalid global ctrl UDP port");
+			goto fail;
+		}
+	}
+
+	dl_list_init(&interface->global_ctrl_dst);
+	interface->global_ctrl_sock = -1;
+	os_get_random(gcookie, COOKIE_LEN);
+
+#ifdef CONFIG_CTRL_IFACE_UDP_REMOTE
+	hints.ai_flags = AI_PASSIVE;
+#endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */
+
+#ifdef CONFIG_CTRL_IFACE_UDP_IPV6
+	hints.ai_family = AF_INET6;
+#else /* CONFIG_CTRL_IFACE_UDP_IPV6 */
+	hints.ai_family = AF_INET;
+#endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */
+	hints.ai_socktype = SOCK_DGRAM;
+
+try_again:
+	os_snprintf(p, sizeof(p), "%d", port);
+	n = getaddrinfo(NULL, p, &hints, &res);
+	if (n) {
+		wpa_printf(MSG_ERROR, "getaddrinfo(): %s", gai_strerror(n));
+		goto fail;
+	}
+
+	saveres = res;
+	interface->global_ctrl_sock = socket(res->ai_family, res->ai_socktype,
+					     res->ai_protocol);
+	if (interface->global_ctrl_sock < 0) {
+		wpa_printf(MSG_ERROR, "socket(PF_INET): %s", strerror(errno));
+		goto fail;
+	}
+
+	if (bind(interface->global_ctrl_sock, res->ai_addr, res->ai_addrlen) <
+	    0) {
+		port++;
+		if ((port - HOSTAPD_GLOBAL_CTRL_IFACE_PORT) <
+		    HOSTAPD_GLOBAL_CTRL_IFACE_PORT_LIMIT && !pos)
+			goto try_again;
+		wpa_printf(MSG_ERROR, "bind(AF_INET): %s", strerror(errno));
+		goto fail;
+	}
+
+	freeaddrinfo(saveres);
+
+	wpa_printf(MSG_DEBUG, "global ctrl_iface_init UDP port: %d", port);
+
+	if (eloop_register_read_sock(interface->global_ctrl_sock,
+				     hostapd_global_ctrl_iface_receive,
+				     interface, NULL) < 0) {
+		hostapd_global_ctrl_iface_deinit(interface);
+		return -1;
+	}
+
+	return 0;
+
+fail:
+	if (interface->global_ctrl_sock >= 0)
+		close(interface->global_ctrl_sock);
+	return -1;
+#else /* CONFIG_CTRL_IFACE_UDP */
 	struct sockaddr_un addr;
 	int s = -1;
 	char *fname = NULL;
@@ -3182,18 +3401,22 @@
 		os_free(fname);
 	}
 	return -1;
+#endif /* CONFIG_CTRL_IFACE_UDP */
 }
 
 
 void hostapd_global_ctrl_iface_deinit(struct hapd_interfaces *interfaces)
 {
+#ifndef CONFIG_CTRL_IFACE_UDP
 	char *fname = NULL;
+#endif /* CONFIG_CTRL_IFACE_UDP */
 	struct wpa_ctrl_dst *dst, *prev;
 
 	if (interfaces->global_ctrl_sock > -1) {
 		eloop_unregister_read_sock(interfaces->global_ctrl_sock);
 		close(interfaces->global_ctrl_sock);
 		interfaces->global_ctrl_sock = -1;
+#ifndef CONFIG_CTRL_IFACE_UDP
 		fname = hostapd_global_ctrl_iface_path(interfaces);
 		if (fname) {
 			unlink(fname);
@@ -3213,18 +3436,15 @@
 					   strerror(errno));
 			}
 		}
+#endif /* CONFIG_CTRL_IFACE_UDP */
 	}
 
 	os_free(interfaces->global_iface_path);
 	interfaces->global_iface_path = NULL;
 
-	dst = interfaces->global_ctrl_dst;
-	interfaces->global_ctrl_dst = NULL;
-	while (dst) {
-		prev = dst;
-		dst = dst->next;
-		os_free(prev);
-	}
+	dl_list_for_each_safe(dst, prev, &interfaces->global_ctrl_dst,
+			      struct wpa_ctrl_dst, list)
+		os_free(dst);
 }
 
 
@@ -3233,6 +3453,7 @@
 				    const char *buf, size_t len)
 {
 	struct wpa_ctrl_dst *dst, *next;
+	struct dl_list *ctrl_dst;
 	struct msghdr msg;
 	int idx;
 	struct iovec io[2];
@@ -3241,13 +3462,13 @@
 
 	if (type != WPA_MSG_ONLY_GLOBAL) {
 		s = hapd->ctrl_sock;
-		dst = hapd->ctrl_dst;
+		ctrl_dst = &hapd->ctrl_dst;
 	} else {
 		s = hapd->iface->interfaces->global_ctrl_sock;
-		dst = hapd->iface->interfaces->global_ctrl_dst;
+		ctrl_dst = &hapd->iface->interfaces->global_ctrl_dst;
 	}
 
-	if (s < 0 || dst == NULL)
+	if (s < 0 || dl_list_empty(ctrl_dst))
 		return;
 
 	os_snprintf(levelstr, sizeof(levelstr), "<%d>", level);
@@ -3260,12 +3481,10 @@
 	msg.msg_iovlen = 2;
 
 	idx = 0;
-	while (dst) {
-		next = dst->next;
+	dl_list_for_each_safe(dst, next, ctrl_dst, struct wpa_ctrl_dst, list) {
 		if (level >= dst->debug_level) {
-			wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor send",
-				    (u8 *) dst->addr.sun_path, dst->addrlen -
-				    offsetof(struct sockaddr_un, sun_path));
+			sockaddr_print(MSG_DEBUG, "CTRL_IFACE monitor send",
+				       &dst->addr, dst->addrlen);
 			msg.msg_name = &dst->addr;
 			msg.msg_namelen = dst->addrlen;
 			if (sendmsg(s, &msg, 0) < 0) {
@@ -3289,7 +3508,6 @@
 				dst->errors = 0;
 		}
 		idx++;
-		dst = next;
 	}
 }
 
diff --git a/hostapd/hostapd.conf b/hostapd/hostapd.conf
index 3d5c5e2..d943a43 100644
--- a/hostapd/hostapd.conf
+++ b/hostapd/hostapd.conf
@@ -1926,6 +1926,10 @@
 # - is not the same as the MAC address of the radio
 # - is not the same as any other explicitly specified BSSID
 #
+# Alternatively, the 'use_driver_iface_addr' parameter can be used to request
+# hostapd to use the driver auto-generated interface address (e.g., to use the
+# exact MAC addresses allocated to the device).
+#
 # Not all drivers support multiple BSSes. The exact mechanism for determining
 # the driver capabilities is driver specific. With the current (i.e., a recent
 # kernel) drivers using nl80211, this information can be checked with "iw list"
diff --git a/hostapd/hostapd_cli.c b/hostapd/hostapd_cli.c
index 1787ab3..fc8a72e 100644
--- a/hostapd/hostapd_cli.c
+++ b/hostapd/hostapd_cli.c
@@ -16,6 +16,7 @@
 #include "utils/edit.h"
 #include "common/version.h"
 
+#ifndef CONFIG_NO_CTRL_IFACE
 
 static const char *const hostapd_cli_version =
 "hostapd_cli v" VERSION_STR "\n"
@@ -136,12 +137,18 @@
 
 static struct wpa_ctrl * hostapd_cli_open_connection(const char *ifname)
 {
+#ifndef CONFIG_CTRL_IFACE_UDP
 	char *cfile;
 	int flen;
+#endif /* !CONFIG_CTRL_IFACE_UDP */
 
 	if (ifname == NULL)
 		return NULL;
 
+#ifdef CONFIG_CTRL_IFACE_UDP
+	ctrl_conn = wpa_ctrl_open(ifname);
+	return ctrl_conn;
+#else /* CONFIG_CTRL_IFACE_UDP */
 	flen = strlen(ctrl_iface_dir) + strlen(ifname) + 2;
 	cfile = malloc(flen);
 	if (cfile == NULL)
@@ -158,6 +165,7 @@
 	ctrl_conn = wpa_ctrl_open2(cfile, client_socket_dir);
 	free(cfile);
 	return ctrl_conn;
+#endif /* CONFIG_CTRL_IFACE_UDP */
 }
 
 
@@ -1514,3 +1522,12 @@
 	hostapd_cli_cleanup();
 	return 0;
 }
+
+#else /* CONFIG_NO_CTRL_IFACE */
+
+int main(int argc, char *argv[])
+{
+	return -1;
+}
+
+#endif /* CONFIG_NO_CTRL_IFACE */
diff --git a/hostapd/main.c b/hostapd/main.c
index 1b9002c..25dc20b 100644
--- a/hostapd/main.c
+++ b/hostapd/main.c
@@ -474,9 +474,8 @@
 static const char * hostapd_msg_ifname_cb(void *ctx)
 {
 	struct hostapd_data *hapd = ctx;
-	if (hapd && hapd->iconf && hapd->iconf->bss &&
-	    hapd->iconf->num_bss > 0 && hapd->iconf->bss[0])
-		return hapd->iconf->bss[0]->iface;
+	if (hapd && hapd->conf)
+		return hapd->conf->iface;
 	return NULL;
 }
 
@@ -484,11 +483,16 @@
 static int hostapd_get_global_ctrl_iface(struct hapd_interfaces *interfaces,
 					 const char *path)
 {
+#ifndef CONFIG_CTRL_IFACE_UDP
 	char *pos;
+#endif /* !CONFIG_CTRL_IFACE_UDP */
+
 	os_free(interfaces->global_iface_path);
 	interfaces->global_iface_path = os_strdup(path);
 	if (interfaces->global_iface_path == NULL)
 		return -1;
+
+#ifndef CONFIG_CTRL_IFACE_UDP
 	pos = os_strrchr(interfaces->global_iface_path, '/');
 	if (pos == NULL) {
 		wpa_printf(MSG_ERROR, "No '/' in the global control interface "
@@ -500,6 +504,7 @@
 
 	*pos = '\0';
 	interfaces->global_iface_name = pos + 1;
+#endif /* !CONFIG_CTRL_IFACE_UDP */
 
 	return 0;
 }
@@ -593,7 +598,7 @@
 	interfaces.global_iface_path = NULL;
 	interfaces.global_iface_name = NULL;
 	interfaces.global_ctrl_sock = -1;
-	interfaces.global_ctrl_dst = NULL;
+	dl_list_init(&interfaces.global_ctrl_dst);
 
 	for (;;) {
 		c = getopt(argc, argv, "b:Bde:f:hKP:STtu:vg:G:");
diff --git a/src/ap/ap_config.h b/src/ap/ap_config.h
index f19cac6..2d07c67 100644
--- a/src/ap/ap_config.h
+++ b/src/ap/ap_config.h
@@ -665,6 +665,9 @@
 	u8 vht_oper_centr_freq_seg0_idx;
 	u8 vht_oper_centr_freq_seg1_idx;
 
+	/* Use driver-generated interface addresses when adding multiple BSSs */
+	u8 use_driver_iface_addr;
+
 #ifdef CONFIG_FST
 	struct fst_iface_cfg fst_cfg;
 #endif /* CONFIG_FST */
diff --git a/src/ap/dfs.c b/src/ap/dfs.c
index bda23f0..47adba7 100644
--- a/src/ap/dfs.c
+++ b/src/ap/dfs.c
@@ -704,7 +704,8 @@
 							skip_radar);
 			if (!channel) {
 				wpa_printf(MSG_ERROR, "could not get valid channel");
-				return -1;
+				hostapd_set_state(iface, HAPD_IFACE_DFS);
+				return 0;
 			}
 
 			iface->freq = channel->freq;
@@ -793,7 +794,6 @@
 
 	if (!channel) {
 		wpa_printf(MSG_ERROR, "No valid channel available");
-		hostapd_setup_interface_complete(iface, err);
 		return err;
 	}
 
@@ -858,8 +858,9 @@
 						&vht_oper_centr_freq_seg1_idx,
 						skip_radar);
 		if (!channel) {
-			/* FIXME: Wait for channel(s) to become available */
-			hostapd_disable_iface(iface);
+			wpa_printf(MSG_INFO,
+				   "%s: no DFS channels left, waiting for NOP to finish",
+				   __func__);
 			return err;
 		}
 
@@ -982,6 +983,11 @@
 	/* TODO add correct implementation here */
 	set_dfs_state(iface, freq, ht_enabled, chan_offset, chan_width,
 		      cf1, cf2, HOSTAPD_CHAN_DFS_USABLE);
+
+	/* Handle cases where all channels were initially unavailable */
+	if (iface->state == HAPD_IFACE_DFS && !iface->cac_started)
+		hostapd_handle_dfs(iface);
+
 	return 0;
 }
 
diff --git a/src/ap/hostapd.c b/src/ap/hostapd.c
index 303786b..55ca9e8 100644
--- a/src/ap/hostapd.c
+++ b/src/ap/hostapd.c
@@ -512,6 +512,9 @@
 	if (hostapd_drv_none(hapd))
 		return 0;
 
+	if (iface->conf->use_driver_iface_addr)
+		return 0;
+
 	/* Generate BSSID mask that is large enough to cover the BSSIDs. */
 
 	/* Determine the bits necessary to cover the number of BSSIDs. */
@@ -905,12 +908,9 @@
 	hapd->started = 1;
 
 	if (!first || first == -1) {
-		if (is_zero_ether_addr(conf->bssid)) {
-			/* Allocate the next available BSSID. */
-			do {
-				inc_byte_array(hapd->own_addr, ETH_ALEN);
-			} while (mac_in_conf(hapd->iconf, hapd->own_addr));
-		} else {
+		u8 *addr = hapd->own_addr;
+
+		if (!is_zero_ether_addr(conf->bssid)) {
 			/* Allocate the configured BSSID. */
 			os_memcpy(hapd->own_addr, conf->bssid, ETH_ALEN);
 
@@ -922,11 +922,18 @@
 					   "the radio", conf->iface);
 				return -1;
 			}
+		} else if (hapd->iconf->use_driver_iface_addr) {
+			addr = NULL;
+		} else {
+			/* Allocate the next available BSSID. */
+			do {
+				inc_byte_array(hapd->own_addr, ETH_ALEN);
+			} while (mac_in_conf(hapd->iconf, hapd->own_addr));
 		}
 
 		hapd->interface_added = 1;
 		if (hostapd_if_add(hapd->iface->bss[0], WPA_IF_AP_BSS,
-				   conf->iface, hapd->own_addr, hapd,
+				   conf->iface, addr, hapd,
 				   &hapd->drv_priv, force_ifname, if_addr,
 				   conf->bridge[0] ? conf->bridge : NULL,
 				   first == -1)) {
@@ -935,6 +942,9 @@
 			hapd->interface_added = 0;
 			return -1;
 		}
+
+		if (!addr)
+			os_memcpy(hapd->own_addr, if_addr, ETH_ALEN);
 	}
 
 	if (conf->wmm_enabled < 0)
@@ -1859,6 +1869,7 @@
 	hapd->iface = hapd_iface;
 	hapd->driver = hapd->iconf->driver;
 	hapd->ctrl_sock = -1;
+	dl_list_init(&hapd->ctrl_dst);
 
 	return hapd;
 }
diff --git a/src/ap/hostapd.h b/src/ap/hostapd.h
index d6d96db..60516ae 100644
--- a/src/ap/hostapd.h
+++ b/src/ap/hostapd.h
@@ -41,7 +41,7 @@
 
 	size_t count;
 	int global_ctrl_sock;
-	struct wpa_ctrl_dst *global_ctrl_dst;
+	struct dl_list global_ctrl_dst;
 	char *global_iface_path;
 	char *global_iface_name;
 #ifndef CONFIG_NATIVE_WINDOWS
@@ -155,7 +155,7 @@
 	int tkip_countermeasures;
 
 	int ctrl_sock;
-	struct wpa_ctrl_dst *ctrl_dst;
+	struct dl_list ctrl_dst;
 
 	void *ssl_ctx;
 	void *eap_sim_db_priv;
diff --git a/src/ap/ieee802_11.c b/src/ap/ieee802_11.c
index b36e68d..134ae06 100644
--- a/src/ap/ieee802_11.c
+++ b/src/ap/ieee802_11.c
@@ -2782,6 +2782,25 @@
 		wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
 	hapd->new_assoc_sta_cb(hapd, sta, !new_assoc);
 	ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
+
+	if (sta->pending_eapol_rx) {
+		struct os_reltime now, age;
+
+		os_get_reltime(&now);
+		os_reltime_sub(&now, &sta->pending_eapol_rx->rx_time, &age);
+		if (age.sec == 0 && age.usec < 200000) {
+			wpa_printf(MSG_DEBUG,
+				   "Process pending EAPOL frame that was received from " MACSTR " just before association notification",
+				   MAC2STR(sta->addr));
+			ieee802_1x_receive(
+				hapd, mgmt->da,
+				wpabuf_head(sta->pending_eapol_rx->buf),
+				wpabuf_len(sta->pending_eapol_rx->buf));
+		}
+		wpabuf_free(sta->pending_eapol_rx->buf);
+		os_free(sta->pending_eapol_rx);
+		sta->pending_eapol_rx = NULL;
+	}
 }
 
 
diff --git a/src/ap/ieee802_1x.c b/src/ap/ieee802_1x.c
index c774d5c..42b0299 100644
--- a/src/ap/ieee802_1x.c
+++ b/src/ap/ieee802_1x.c
@@ -861,6 +861,29 @@
 }
 
 
+static void ieee802_1x_save_eapol(struct sta_info *sta, const u8 *buf,
+				  size_t len)
+{
+	if (sta->pending_eapol_rx) {
+		wpabuf_free(sta->pending_eapol_rx->buf);
+	} else {
+		sta->pending_eapol_rx =
+			os_malloc(sizeof(*sta->pending_eapol_rx));
+		if (!sta->pending_eapol_rx)
+			return;
+	}
+
+	sta->pending_eapol_rx->buf = wpabuf_alloc_copy(buf, len);
+	if (!sta->pending_eapol_rx->buf) {
+		os_free(sta->pending_eapol_rx);
+		sta->pending_eapol_rx = NULL;
+		return;
+	}
+
+	os_get_reltime(&sta->pending_eapol_rx->rx_time);
+}
+
+
 /**
  * ieee802_1x_receive - Process the EAPOL frames from the Supplicant
  * @hapd: hostapd BSS data
@@ -891,6 +914,13 @@
 		     !(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_WIRED))) {
 		wpa_printf(MSG_DEBUG, "IEEE 802.1X data frame from not "
 			   "associated/Pre-authenticating STA");
+
+		if (sta && (sta->flags & WLAN_STA_AUTH)) {
+			wpa_printf(MSG_DEBUG, "Saving EAPOL frame from " MACSTR
+				   " for later use", MAC2STR(sta->addr));
+			ieee802_1x_save_eapol(sta, buf, len);
+		}
+
 		return;
 	}
 
@@ -1183,6 +1213,12 @@
 	eloop_cancel_timeout(ieee802_1x_wnm_notif_send, hapd, sta);
 #endif /* CONFIG_HS20 */
 
+	if (sta->pending_eapol_rx) {
+		wpabuf_free(sta->pending_eapol_rx->buf);
+		os_free(sta->pending_eapol_rx);
+		sta->pending_eapol_rx = NULL;
+	}
+
 	if (sm == NULL)
 		return;
 
diff --git a/src/ap/sta_info.h b/src/ap/sta_info.h
index cd89e99..70a59cc 100644
--- a/src/ap/sta_info.h
+++ b/src/ap/sta_info.h
@@ -56,6 +56,11 @@
 	u8 channels[];
 };
 
+struct pending_eapol_rx {
+	struct wpabuf *buf;
+	struct os_reltime rx_time;
+};
+
 struct sta_info {
 	struct sta_info *next; /* next entry in sta list */
 	struct sta_info *hnext; /* next entry in hash table list */
@@ -113,6 +118,8 @@
 	/* IEEE 802.1X related data */
 	struct eapol_state_machine *eapol_sm;
 
+	struct pending_eapol_rx *pending_eapol_rx;
+
 	u64 acct_session_id;
 	struct os_reltime acct_session_start;
 	int acct_session_started;
diff --git a/src/common/ctrl_iface_common.c b/src/common/ctrl_iface_common.c
new file mode 100644
index 0000000..acd2410
--- /dev/null
+++ b/src/common/ctrl_iface_common.c
@@ -0,0 +1,152 @@
+/*
+ * Common hostapd/wpa_supplicant ctrl iface code.
+ * Copyright (c) 2002-2013, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2015, Qualcomm Atheros, Inc.
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "utils/includes.h"
+#include <netdb.h>
+#include <sys/un.h>
+
+#include "utils/common.h"
+#include "ctrl_iface_common.h"
+
+static int sockaddr_compare(struct sockaddr_storage *a, socklen_t a_len,
+			    struct sockaddr_storage *b, socklen_t b_len)
+{
+	struct sockaddr_in *in_a, *in_b;
+	struct sockaddr_in6 *in6_a, *in6_b;
+	struct sockaddr_un *u_a, *u_b;
+
+	if (a->ss_family != b->ss_family)
+		return 1;
+
+	switch (a->ss_family) {
+	case AF_INET:
+		in_a = (struct sockaddr_in *) a;
+		in_b = (struct sockaddr_in *) b;
+
+		if (in_a->sin_port != in_b->sin_port)
+			return 1;
+		if (in_a->sin_addr.s_addr != in_b->sin_addr.s_addr)
+			return 1;
+		break;
+	case AF_INET6:
+		in6_a = (struct sockaddr_in6 *) a;
+		in6_b = (struct sockaddr_in6 *) b;
+
+		if (in6_a->sin6_port != in6_b->sin6_port)
+			return 1;
+		if (os_memcmp(&in6_a->sin6_addr, &in6_b->sin6_addr,
+			      sizeof(in6_a->sin6_addr)) != 0)
+			return 1;
+		break;
+	case AF_UNIX:
+		u_a = (struct sockaddr_un *) a;
+		u_b = (struct sockaddr_un *) b;
+
+		if (a_len != b_len ||
+		    os_memcmp(u_a->sun_path, u_b->sun_path,
+			      a_len - offsetof(struct sockaddr_un, sun_path))
+		    != 0)
+			return 1;
+		break;
+	default:
+		return 1;
+	}
+
+	return 0;
+}
+
+
+void sockaddr_print(int level, const char *msg, struct sockaddr_storage *sock,
+		    socklen_t socklen)
+{
+	char host[NI_MAXHOST] = { 0 };
+	char service[NI_MAXSERV] = { 0 };
+	char addr_txt[200];
+
+	switch (sock->ss_family) {
+	case AF_INET:
+	case AF_INET6:
+		getnameinfo((struct sockaddr *) sock, socklen,
+			    host, sizeof(host),
+			    service, sizeof(service),
+			    NI_NUMERICHOST);
+
+		wpa_printf(level, "%s %s:%s", msg, host, service);
+		break;
+	case AF_UNIX:
+		printf_encode(addr_txt, sizeof(addr_txt),
+			      (u8 *) ((struct sockaddr_un *) sock)->sun_path,
+			      socklen - offsetof(struct sockaddr_un, sun_path));
+		wpa_printf(level, "%s %s", msg, addr_txt);
+		break;
+	default:
+		wpa_printf(level, "%s", msg);
+		break;
+	}
+}
+
+
+int ctrl_iface_attach(struct dl_list *ctrl_dst, struct sockaddr_storage *from,
+		      socklen_t fromlen)
+{
+	struct wpa_ctrl_dst *dst;
+
+	dst = os_zalloc(sizeof(*dst));
+	if (dst == NULL)
+		return -1;
+	os_memcpy(&dst->addr, from, fromlen);
+	dst->addrlen = fromlen;
+	dst->debug_level = MSG_INFO;
+	dl_list_add(ctrl_dst, &dst->list);
+
+	sockaddr_print(MSG_DEBUG, "CTRL_IFACE monitor attached", from, fromlen);
+	return 0;
+}
+
+
+int ctrl_iface_detach(struct dl_list *ctrl_dst, struct sockaddr_storage *from,
+		      socklen_t fromlen)
+{
+	struct wpa_ctrl_dst *dst;
+
+	dl_list_for_each(dst, ctrl_dst, struct wpa_ctrl_dst, list) {
+		if (!sockaddr_compare(from, fromlen,
+				      &dst->addr, dst->addrlen)) {
+			sockaddr_print(MSG_DEBUG, "CTRL_IFACE monitor detached",
+				       from, fromlen);
+			dl_list_del(&dst->list);
+			os_free(dst);
+			return 0;
+		}
+	}
+
+	return -1;
+}
+
+
+int ctrl_iface_level(struct dl_list *ctrl_dst, struct sockaddr_storage *from,
+		     socklen_t fromlen, const char *level)
+{
+	struct wpa_ctrl_dst *dst;
+
+	wpa_printf(MSG_DEBUG, "CTRL_IFACE LEVEL %s", level);
+
+	dl_list_for_each(dst, ctrl_dst, struct wpa_ctrl_dst, list) {
+		if (!sockaddr_compare(from, fromlen,
+				      &dst->addr, dst->addrlen)) {
+			sockaddr_print(MSG_DEBUG,
+				       "CTRL_IFACE changed monitor level",
+				       from, fromlen);
+			dst->debug_level = atoi(level);
+			return 0;
+		}
+	}
+
+	return -1;
+}
diff --git a/src/common/ctrl_iface_common.h b/src/common/ctrl_iface_common.h
new file mode 100644
index 0000000..0b6e3e7
--- /dev/null
+++ b/src/common/ctrl_iface_common.h
@@ -0,0 +1,38 @@
+/*
+ * Common hostapd/wpa_supplicant ctrl iface code.
+ * Copyright (c) 2002-2013, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2015, Qualcomm Atheros, Inc.
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+#ifndef CONTROL_IFACE_COMMON_H
+#define CONTROL_IFACE_COMMON_H
+
+#include "utils/list.h"
+
+/**
+ * struct wpa_ctrl_dst - Data structure of control interface monitors
+ *
+ * This structure is used to store information about registered control
+ * interface monitors into struct wpa_supplicant.
+ */
+struct wpa_ctrl_dst {
+	struct dl_list list;
+	struct sockaddr_storage addr;
+	socklen_t addrlen;
+	int debug_level;
+	int errors;
+};
+
+void sockaddr_print(int level, const char *msg, struct sockaddr_storage *sock,
+		    socklen_t socklen);
+
+int ctrl_iface_attach(struct dl_list *ctrl_dst, struct sockaddr_storage *from,
+		       socklen_t fromlen);
+int ctrl_iface_detach(struct dl_list *ctrl_dst, struct sockaddr_storage *from,
+		      socklen_t fromlen);
+int ctrl_iface_level(struct dl_list *ctrl_dst, struct sockaddr_storage *from,
+		     socklen_t fromlen, const char *level);
+
+#endif /* CONTROL_IFACE_COMMON_H */
diff --git a/src/common/qca-vendor.h b/src/common/qca-vendor.h
index a3ee91d..f3d185e 100644
--- a/src/common/qca-vendor.h
+++ b/src/common/qca-vendor.h
@@ -162,6 +162,7 @@
 	QCA_NL80211_VENDOR_SUBCMD_SET_TXPOWER_SCALE = 109,
 	/* 110..114 - reserved for QCA */
 	QCA_NL80211_VENDOR_SUBCMD_SET_TXPOWER_DECR_DB = 115,
+	/* 116..118 - reserved for QCA */
 };
 
 
diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
index 570dee6..5fb6652 100644
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -5912,6 +5912,14 @@
 			params->ifname, master_ifname);
 		/* start listening for EAPOL on the master interface */
 		add_ifidx(drv, if_nametoindex(master_ifname), drv->ifindex);
+
+		/* check if master itself is under bridge */
+		if (linux_br_get(master_ifname, master_ifname) == 0) {
+			wpa_printf(MSG_DEBUG, "nl80211: which is in bridge %s",
+				   master_ifname);
+			br_ifindex = if_nametoindex(master_ifname);
+			os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
+		}
 	} else {
 		master_ifname[0] = '\0';
 	}
diff --git a/src/fst/fst_group.c b/src/fst/fst_group.c
index e0c055f..d6157b1 100644
--- a/src/fst/fst_group.c
+++ b/src/fst/fst_group.c
@@ -220,7 +220,7 @@
 
 				if (peer_addr &&
 				    fst_iface_is_connected(iface, peer_addr,
-							   TRUE) &&
+							   FALSE) &&
 				    band_id == fst_iface_get_band_id(iface)) {
 					os_memcpy(iface_peer_addr, peer_addr,
 						  ETH_ALEN);
diff --git a/src/p2p/p2p_go_neg.c b/src/p2p/p2p_go_neg.c
index fe0096f..9f0b3f3 100644
--- a/src/p2p/p2p_go_neg.c
+++ b/src/p2p/p2p_go_neg.c
@@ -1268,6 +1268,11 @@
 		dev->client_timeout = msg.config_timeout[1];
 	}
 
+	if (msg.wfd_subelems) {
+		wpabuf_free(dev->info.wfd_subelems);
+		dev->info.wfd_subelems = wpabuf_dup(msg.wfd_subelems);
+	}
+
 	if (!msg.operating_channel && !go) {
 		/*
 		 * Note: P2P Client may omit Operating Channel attribute to
diff --git a/src/p2p/p2p_pd.c b/src/p2p/p2p_pd.c
index e6535d4..93a0535 100644
--- a/src/p2p/p2p_pd.c
+++ b/src/p2p/p2p_pd.c
@@ -1349,6 +1349,9 @@
 			" with no pending request", MAC2STR(sa));
 		p2p_parse_free(&msg);
 		return;
+	} else if (msg.wfd_subelems) {
+		wpabuf_free(dev->info.wfd_subelems);
+		dev->info.wfd_subelems = wpabuf_dup(msg.wfd_subelems);
 	}
 
 	if (dev->dialog_token != msg.dialog_token) {
diff --git a/src/p2p/p2p_sd.c b/src/p2p/p2p_sd.c
index 2ef4c51..a8bc5ba 100644
--- a/src/p2p/p2p_sd.c
+++ b/src/p2p/p2p_sd.c
@@ -425,9 +425,16 @@
 		     u8 dialog_token, const struct wpabuf *resp_tlvs)
 {
 	struct wpabuf *resp;
+	size_t max_len;
+
+	/*
+	 * In the 60 GHz, we have a smaller maximum frame length for management
+	 * frames.
+	 */
+	max_len = (freq > 56160) ? 928 : 1400;
 
 	/* TODO: fix the length limit to match with the maximum frame length */
-	if (wpabuf_len(resp_tlvs) > 1400) {
+	if (wpabuf_len(resp_tlvs) > max_len) {
 		p2p_dbg(p2p, "SD response long enough to require fragmentation");
 		if (p2p->sd_resp) {
 			/*
@@ -614,7 +621,7 @@
 {
 	struct wpabuf *resp;
 	u8 dialog_token;
-	size_t frag_len;
+	size_t frag_len, max_len;
 	int more = 0;
 
 	wpa_hexdump(MSG_DEBUG, "P2P: RX GAS Comeback Request", data, len);
@@ -638,9 +645,14 @@
 		return;
 	}
 
+	/*
+	 * In the 60 GHz, we have a smaller maximum frame length for management
+	 * frames.
+	 */
+	max_len = (rx_freq > 56160) ? 928 : 1400;
 	frag_len = wpabuf_len(p2p->sd_resp) - p2p->sd_resp_pos;
-	if (frag_len > 1400) {
-		frag_len = 1400;
+	if (frag_len > max_len) {
+		frag_len = max_len;
 		more = 1;
 	}
 	resp = p2p_build_gas_comeback_resp(dialog_token, WLAN_STATUS_SUCCESS,
diff --git a/wpa_supplicant/Android.mk b/wpa_supplicant/Android.mk
index 8f4cc9c..4f0319e 100644
--- a/wpa_supplicant/Android.mk
+++ b/wpa_supplicant/Android.mk
@@ -1291,6 +1291,7 @@
 L_CFLAGS += -DCONFIG_CTRL_IFACE
 ifeq ($(CONFIG_CTRL_IFACE), unix)
 L_CFLAGS += -DCONFIG_CTRL_IFACE_UNIX
+OBJS += src/common/ctrl_iface_common.c
 endif
 ifeq ($(CONFIG_CTRL_IFACE), udp)
 L_CFLAGS += -DCONFIG_CTRL_IFACE_UDP
diff --git a/wpa_supplicant/Makefile b/wpa_supplicant/Makefile
index 28ae172..8fa2b5a 100644
--- a/wpa_supplicant/Makefile
+++ b/wpa_supplicant/Makefile
@@ -1335,6 +1335,7 @@
 CFLAGS += -DCONFIG_CTRL_IFACE
 ifeq ($(CONFIG_CTRL_IFACE), unix)
 CFLAGS += -DCONFIG_CTRL_IFACE_UNIX
+OBJS += ../src/common/ctrl_iface_common.o
 endif
 ifeq ($(CONFIG_CTRL_IFACE), udp)
 CFLAGS += -DCONFIG_CTRL_IFACE_UDP
diff --git a/wpa_supplicant/README-P2P b/wpa_supplicant/README-P2P
index b8cf209..23ac7fa 100644
--- a/wpa_supplicant/README-P2P
+++ b/wpa_supplicant/README-P2P
@@ -640,12 +640,17 @@
 Disable/enable managed P2P Device operations. This is disabled by
 default.
 
-p2p_set listen_channel <1/6/11>
+p2p_set listen_channel <channel> [<op_class>]
 
 Set P2P Listen channel. This is mainly meant for testing purposes and
 changing the Listen channel during normal operations can result in
 protocol failures.
 
+When specifying a social channel on the 2.4 GHz band (1/6/11) there is
+no need to specify the operating class since it defaults to 81.  When
+specifying a social channel on the 60 GHz band (2), specify the 60 GHz
+operating class (180).
+
 p2p_set ssid_postfix <postfix>
 
 Set postfix string to be added to the automatically generated P2P SSID
diff --git a/wpa_supplicant/ctrl_iface.c b/wpa_supplicant/ctrl_iface.c
index f585b92..4e16987 100644
--- a/wpa_supplicant/ctrl_iface.c
+++ b/wpa_supplicant/ctrl_iface.c
@@ -55,6 +55,7 @@
 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
 					    char *buf, int len);
 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
+						  const char *input,
 						  char *buf, int len);
 static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s,
 					char *val);
@@ -5918,8 +5919,15 @@
 	}
 
 	if (os_strcmp(cmd, "listen_channel") == 0) {
-		return p2p_set_listen_channel(wpa_s->global->p2p, 81,
-					      atoi(param), 1);
+		char *pos;
+		u8 channel, op_class;
+
+		channel = atoi(param);
+		pos = os_strchr(param, ' ');
+		op_class = pos ? atoi(pos) : 81;
+
+		return p2p_set_listen_channel(wpa_s->global->p2p, op_class,
+					      channel, 1);
 	}
 
 	if (os_strcmp(cmd, "ssid_postfix") == 0) {
@@ -8842,9 +8850,9 @@
 	} else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
 		reply_len = wpa_supplicant_global_iface_list(
 			wpa_s->global, reply, reply_size);
-	} else if (os_strcmp(buf, "INTERFACES") == 0) {
+	} else if (os_strncmp(buf, "INTERFACES", 10) == 0) {
 		reply_len = wpa_supplicant_global_iface_interfaces(
-			wpa_s->global, reply, reply_size);
+			wpa_s->global, buf + 10, reply, reply_size);
 	} else if (os_strncmp(buf, "BSS ", 4) == 0) {
 		reply_len = wpa_supplicant_ctrl_iface_bss(
 			wpa_s, buf + 4, reply, reply_size);
@@ -9250,18 +9258,31 @@
 
 
 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
+						  const char *input,
 						  char *buf, int len)
 {
 	int res;
 	char *pos, *end;
 	struct wpa_supplicant *wpa_s;
+	int show_ctrl = 0;
+
+	if (input)
+		show_ctrl = !!os_strstr(input, "ctrl");
 
 	wpa_s = global->ifaces;
 	pos = buf;
 	end = buf + len;
 
 	while (wpa_s) {
-		res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
+		if (show_ctrl)
+			res = os_snprintf(pos, end - pos, "%s ctrl_iface=%s\n",
+					  wpa_s->ifname,
+					  wpa_s->conf->ctrl_interface ?
+					  wpa_s->conf->ctrl_interface : "N/A");
+		else
+			res = os_snprintf(pos, end - pos, "%s\n",
+					  wpa_s->ifname);
+
 		if (os_snprintf_error(end - pos, res)) {
 			*pos = '\0';
 			break;
@@ -9650,9 +9671,9 @@
 	} else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
 		reply_len = wpa_supplicant_global_iface_list(
 			global, reply, reply_size);
-	} else if (os_strcmp(buf, "INTERFACES") == 0) {
+	} else if (os_strncmp(buf, "INTERFACES", 10) == 0) {
 		reply_len = wpa_supplicant_global_iface_interfaces(
-			global, reply, reply_size);
+			global, buf + 10, reply, reply_size);
 #ifdef CONFIG_FST
 	} else if (os_strncmp(buf, "FST-ATTACH ", 11) == 0) {
 		reply_len = wpas_global_ctrl_iface_fst_attach(global, buf + 11,
diff --git a/wpa_supplicant/ctrl_iface_udp.c b/wpa_supplicant/ctrl_iface_udp.c
index 76f69f2..503052a 100644
--- a/wpa_supplicant/ctrl_iface_udp.c
+++ b/wpa_supplicant/ctrl_iface_udp.c
@@ -48,13 +48,33 @@
 	u8 cookie[COOKIE_LEN];
 };
 
+struct ctrl_iface_global_priv {
+	int sock;
+	struct wpa_ctrl_dst *ctrl_dst;
+	u8 cookie[COOKIE_LEN];
+};
 
-static void wpa_supplicant_ctrl_iface_send(struct ctrl_iface_priv *priv,
+
+static void wpa_supplicant_ctrl_iface_send(struct wpa_supplicant *wpa_s,
+					   const char *ifname, int sock,
+					   struct wpa_ctrl_dst **head,
 					   int level, const char *buf,
 					   size_t len);
 
 
-static int wpa_supplicant_ctrl_iface_attach(struct ctrl_iface_priv *priv,
+static void wpas_ctrl_iface_free_dst(struct wpa_ctrl_dst *dst)
+{
+	struct wpa_ctrl_dst *prev;
+
+	while (dst) {
+		prev = dst;
+		dst = dst->next;
+		os_free(prev);
+	}
+}
+
+
+static int wpa_supplicant_ctrl_iface_attach(struct wpa_ctrl_dst **head,
 #ifdef CONFIG_CTRL_IFACE_UDP_IPV6
 					    struct sockaddr_in6 *from,
 #else /* CONFIG_CTRL_IFACE_UDP_IPV6 */
@@ -73,8 +93,8 @@
 	os_memcpy(&dst->addr, from, sizeof(*from));
 	dst->addrlen = fromlen;
 	dst->debug_level = MSG_INFO;
-	dst->next = priv->ctrl_dst;
-	priv->ctrl_dst = dst;
+	dst->next = *head;
+	*head = dst;
 #ifdef CONFIG_CTRL_IFACE_UDP_IPV6
 	wpa_printf(MSG_DEBUG, "CTRL_IFACE monitor attached %s:%d",
 		   inet_ntop(AF_INET6, &from->sin6_addr, addr, sizeof(*from)),
@@ -87,7 +107,7 @@
 }
 
 
-static int wpa_supplicant_ctrl_iface_detach(struct ctrl_iface_priv *priv,
+static int wpa_supplicant_ctrl_iface_detach(struct wpa_ctrl_dst **head,
 #ifdef CONFIG_CTRL_IFACE_UDP_IPV6
 					    struct sockaddr_in6 *from,
 #else /* CONFIG_CTRL_IFACE_UDP_IPV6 */
@@ -100,7 +120,7 @@
 	char addr[INET6_ADDRSTRLEN];
 #endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */
 
-	dst = priv->ctrl_dst;
+	dst = *head;
 	while (dst) {
 #ifdef CONFIG_CTRL_IFACE_UDP_IPV6
 		if (from->sin6_port == dst->addr.sin6_port &&
@@ -118,7 +138,7 @@
 				   ntohs(from->sin_port));
 #endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */
 			if (prev == NULL)
-				priv->ctrl_dst = dst->next;
+				*head = dst->next;
 			else
 				prev->next = dst->next;
 			os_free(dst);
@@ -282,14 +302,16 @@
 		pos++;
 
 	if (os_strcmp(pos, "ATTACH") == 0) {
-		if (wpa_supplicant_ctrl_iface_attach(priv, &from, fromlen))
+		if (wpa_supplicant_ctrl_iface_attach(&priv->ctrl_dst,
+						     &from, fromlen))
 			reply_len = 1;
 		else {
 			new_attached = 1;
 			reply_len = 2;
 		}
 	} else if (os_strcmp(pos, "DETACH") == 0) {
-		if (wpa_supplicant_ctrl_iface_detach(priv, &from, fromlen))
+		if (wpa_supplicant_ctrl_iface_detach(&priv->ctrl_dst,
+						     &from, fromlen))
 			reply_len = 1;
 		else
 			reply_len = 2;
@@ -327,9 +349,28 @@
 					     const char *txt, size_t len)
 {
 	struct wpa_supplicant *wpa_s = ctx;
-	if (wpa_s == NULL || wpa_s->ctrl_iface == NULL)
+
+	if (!wpa_s)
 		return;
-	wpa_supplicant_ctrl_iface_send(wpa_s->ctrl_iface, level, txt, len);
+
+	if (type != WPA_MSG_NO_GLOBAL && wpa_s->global->ctrl_iface) {
+		struct ctrl_iface_global_priv *priv = wpa_s->global->ctrl_iface;
+
+		if (priv->ctrl_dst) {
+			wpa_supplicant_ctrl_iface_send(
+				wpa_s,
+				type != WPA_MSG_PER_INTERFACE ?
+				NULL : wpa_s->ifname,
+				priv->sock, &priv->ctrl_dst, level, txt, len);
+		}
+	}
+
+	if (type == WPA_MSG_ONLY_GLOBAL || !wpa_s->ctrl_iface)
+		return;
+
+	wpa_supplicant_ctrl_iface_send(wpa_s, NULL, wpa_s->ctrl_iface->sock,
+				       &wpa_s->ctrl_iface->ctrl_dst,
+				       level, txt, len);
 }
 
 
@@ -338,6 +379,7 @@
 {
 	struct ctrl_iface_priv *priv;
 	int port = WPA_CTRL_IFACE_PORT;
+	char *pos;
 #ifdef CONFIG_CTRL_IFACE_UDP_IPV6
 	struct sockaddr_in6 addr;
 	int domain = PF_INET6;
@@ -356,6 +398,17 @@
 	if (wpa_s->conf->ctrl_interface == NULL)
 		return priv;
 
+	pos = os_strstr(wpa_s->conf->ctrl_interface, "udp:");
+	if (pos) {
+		pos += 4;
+		port = atoi(pos);
+		if (port <= 0) {
+			wpa_printf(MSG_ERROR, "Invalid ctrl_iface UDP port: %s",
+				   wpa_s->conf->ctrl_interface);
+			goto fail;
+		}
+	}
+
 	priv->sock = socket(domain, SOCK_DGRAM, 0);
 	if (priv->sock < 0) {
 		wpa_printf(MSG_ERROR, "socket(PF_INET): %s", strerror(errno));
@@ -386,7 +439,8 @@
 #endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */
 	if (bind(priv->sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
 		port--;
-		if ((WPA_CTRL_IFACE_PORT - port) < WPA_CTRL_IFACE_PORT_LIMIT)
+		if ((WPA_CTRL_IFACE_PORT - port) < WPA_CTRL_IFACE_PORT_LIMIT &&
+		    !pos)
 			goto try_again;
 		wpa_printf(MSG_ERROR, "bind(AF_INET): %s", strerror(errno));
 		goto fail;
@@ -412,8 +466,6 @@
 
 void wpa_supplicant_ctrl_iface_deinit(struct ctrl_iface_priv *priv)
 {
-	struct wpa_ctrl_dst *dst, *prev;
-
 	if (priv->sock > -1) {
 		eloop_unregister_read_sock(priv->sock);
 		if (priv->ctrl_dst) {
@@ -430,22 +482,19 @@
 		priv->sock = -1;
 	}
 
-	dst = priv->ctrl_dst;
-	while (dst) {
-		prev = dst;
-		dst = dst->next;
-		os_free(prev);
-	}
+	wpas_ctrl_iface_free_dst(priv->ctrl_dst);
 	os_free(priv);
 }
 
 
-static void wpa_supplicant_ctrl_iface_send(struct ctrl_iface_priv *priv,
+static void wpa_supplicant_ctrl_iface_send(struct wpa_supplicant *wpa_s,
+					   const char *ifname, int sock,
+					   struct wpa_ctrl_dst **head,
 					   int level, const char *buf,
 					   size_t len)
 {
 	struct wpa_ctrl_dst *dst, *next;
-	char levelstr[10];
+	char levelstr[64];
 	int idx;
 	char *sbuf;
 	int llen;
@@ -453,11 +502,15 @@
 	char addr[INET6_ADDRSTRLEN];
 #endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */
 
-	dst = priv->ctrl_dst;
-	if (priv->sock < 0 || dst == NULL)
+	dst = *head;
+	if (sock < 0 || dst == NULL)
 		return;
 
-	os_snprintf(levelstr, sizeof(levelstr), "<%d>", level);
+	if (ifname)
+		os_snprintf(levelstr, sizeof(levelstr), "IFACE=%s <%d>",
+			    ifname, level);
+	else
+		os_snprintf(levelstr, sizeof(levelstr), "<%d>", level);
 
 	llen = os_strlen(levelstr);
 	sbuf = os_malloc(llen + len);
@@ -481,7 +534,7 @@
 				   inet_ntoa(dst->addr.sin_addr),
 				   ntohs(dst->addr.sin_port));
 #endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */
-			if (sendto(priv->sock, sbuf, llen + len, 0,
+			if (sendto(sock, sbuf, llen + len, 0,
 				   (struct sockaddr *) &dst->addr,
 				   sizeof(dst->addr)) < 0) {
 				wpa_printf(MSG_ERROR,
@@ -490,7 +543,7 @@
 				dst->errors++;
 				if (dst->errors > 10) {
 					wpa_supplicant_ctrl_iface_detach(
-						priv, &dst->addr,
+						head, &dst->addr,
 						dst->addrlen);
 				}
 			} else
@@ -513,12 +566,6 @@
 
 /* Global ctrl_iface */
 
-struct ctrl_iface_global_priv {
-	int sock;
-	u8 cookie[COOKIE_LEN];
-};
-
-
 static char *
 wpa_supplicant_global_get_cookie(struct ctrl_iface_global_priv *priv,
 				 size_t *reply_len)
@@ -548,7 +595,7 @@
 	int res;
 	struct sockaddr_in from;
 	socklen_t fromlen = sizeof(from);
-	char *reply;
+	char *reply = NULL;
 	size_t reply_len;
 	u8 cookie[COOKIE_LEN];
 
@@ -603,17 +650,34 @@
 	while (*pos == ' ')
 		pos++;
 
-	reply = wpa_supplicant_global_ctrl_iface_process(global, pos,
-							 &reply_len);
+	if (os_strcmp(pos, "ATTACH") == 0) {
+		if (wpa_supplicant_ctrl_iface_attach(&priv->ctrl_dst,
+						     &from, fromlen))
+			reply_len = 1;
+		else
+			reply_len = 2;
+	} else if (os_strcmp(pos, "DETACH") == 0) {
+		if (wpa_supplicant_ctrl_iface_detach(&priv->ctrl_dst,
+						     &from, fromlen))
+			reply_len = 1;
+		else
+			reply_len = 2;
+	} else {
+		reply = wpa_supplicant_global_ctrl_iface_process(global, pos,
+								 &reply_len);
+	}
 
  done:
 	if (reply) {
 		sendto(sock, reply, reply_len, 0, (struct sockaddr *) &from,
 		       fromlen);
 		os_free(reply);
-	} else if (reply_len) {
+	} else if (reply_len == 1) {
 		sendto(sock, "FAIL\n", 5, 0, (struct sockaddr *) &from,
 		       fromlen);
+	} else if (reply_len == 2) {
+		sendto(sock, "OK\n", 3, 0, (struct sockaddr *) &from,
+		       fromlen);
 	}
 }
 
@@ -623,6 +687,7 @@
 {
 	struct ctrl_iface_global_priv *priv;
 	struct sockaddr_in addr;
+	char *pos;
 	int port = WPA_GLOBAL_CTRL_IFACE_PORT;
 
 	priv = os_zalloc(sizeof(*priv));
@@ -637,6 +702,17 @@
 	wpa_printf(MSG_DEBUG, "Global control interface '%s'",
 		   global->params.ctrl_interface);
 
+	pos = os_strstr(global->params.ctrl_interface, "udp:");
+	if (pos) {
+		pos += 4;
+		port = atoi(pos);
+		if (port <= 0) {
+			wpa_printf(MSG_ERROR, "Invalid global ctrl UDP port %s",
+				   global->params.ctrl_interface);
+			goto fail;
+		}
+	}
+
 	priv->sock = socket(PF_INET, SOCK_DGRAM, 0);
 	if (priv->sock < 0) {
 		wpa_printf(MSG_ERROR, "socket(PF_INET): %s", strerror(errno));
@@ -655,7 +731,7 @@
 	if (bind(priv->sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
 		port++;
 		if ((port - WPA_GLOBAL_CTRL_IFACE_PORT) <
-		    WPA_GLOBAL_CTRL_IFACE_PORT_LIMIT)
+		    WPA_GLOBAL_CTRL_IFACE_PORT_LIMIT && !pos)
 			goto try_again;
 		wpa_printf(MSG_ERROR, "bind(AF_INET): %s", strerror(errno));
 		goto fail;
@@ -668,6 +744,7 @@
 	eloop_register_read_sock(priv->sock,
 				 wpa_supplicant_global_ctrl_iface_receive,
 				 global, priv);
+	wpa_msg_register_cb(wpa_supplicant_ctrl_iface_msg_cb);
 
 	return priv;
 
@@ -686,5 +763,7 @@
 		eloop_unregister_read_sock(priv->sock);
 		close(priv->sock);
 	}
+
+	wpas_ctrl_iface_free_dst(priv->ctrl_dst);
 	os_free(priv);
 }
diff --git a/wpa_supplicant/ctrl_iface_unix.c b/wpa_supplicant/ctrl_iface_unix.c
index 7b36751..2fc89a9 100644
--- a/wpa_supplicant/ctrl_iface_unix.c
+++ b/wpa_supplicant/ctrl_iface_unix.c
@@ -24,6 +24,7 @@
 #include "utils/common.h"
 #include "utils/eloop.h"
 #include "utils/list.h"
+#include "common/ctrl_iface_common.h"
 #include "eapol_supp/eapol_supp_sm.h"
 #include "config.h"
 #include "wpa_supplicant_i.h"
@@ -31,22 +32,6 @@
 
 /* Per-interface ctrl_iface */
 
-/**
- * struct wpa_ctrl_dst - Internal data structure of control interface monitors
- *
- * This structure is used to store information about registered control
- * interface monitors into struct wpa_supplicant. This data is private to
- * ctrl_iface_unix.c and should not be touched directly from other files.
- */
-struct wpa_ctrl_dst {
-	struct dl_list list;
-	struct sockaddr_un addr;
-	socklen_t addrlen;
-	int debug_level;
-	int errors;
-};
-
-
 struct ctrl_iface_priv {
 	struct wpa_supplicant *wpa_s;
 	int sock;
@@ -116,81 +101,29 @@
 
 
 static int wpa_supplicant_ctrl_iface_attach(struct dl_list *ctrl_dst,
-					    struct sockaddr_un *from,
+					    struct sockaddr_storage *from,
 					    socklen_t fromlen, int global)
 {
-	struct wpa_ctrl_dst *dst;
-	char addr_txt[200];
-
-	dst = os_zalloc(sizeof(*dst));
-	if (dst == NULL)
-		return -1;
-	os_memcpy(&dst->addr, from, sizeof(struct sockaddr_un));
-	dst->addrlen = fromlen;
-	dst->debug_level = MSG_INFO;
-	dl_list_add(ctrl_dst, &dst->list);
-	printf_encode(addr_txt, sizeof(addr_txt),
-		      (u8 *) from->sun_path,
-		      fromlen - offsetof(struct sockaddr_un, sun_path));
-	wpa_printf(MSG_DEBUG, "CTRL_IFACE %smonitor attached %s",
-		   global ? "global " : "", addr_txt);
-	return 0;
+	return ctrl_iface_attach(ctrl_dst, from, fromlen);
 }
 
 
 static int wpa_supplicant_ctrl_iface_detach(struct dl_list *ctrl_dst,
-					    struct sockaddr_un *from,
+					    struct sockaddr_storage *from,
 					    socklen_t fromlen)
 {
-	struct wpa_ctrl_dst *dst;
-
-	dl_list_for_each(dst, ctrl_dst, struct wpa_ctrl_dst, list) {
-		if (fromlen == dst->addrlen &&
-		    os_memcmp(from->sun_path, dst->addr.sun_path,
-			      fromlen - offsetof(struct sockaddr_un, sun_path))
-		    == 0) {
-			char addr_txt[200];
-			printf_encode(addr_txt, sizeof(addr_txt),
-				      (u8 *) from->sun_path,
-				      fromlen -
-				      offsetof(struct sockaddr_un, sun_path));
-			wpa_printf(MSG_DEBUG, "CTRL_IFACE monitor detached %s",
-				   addr_txt);
-			dl_list_del(&dst->list);
-			os_free(dst);
-			return 0;
-		}
-	}
-	return -1;
+	return ctrl_iface_detach(ctrl_dst, from, fromlen);
 }
 
 
 static int wpa_supplicant_ctrl_iface_level(struct ctrl_iface_priv *priv,
-					   struct sockaddr_un *from,
+					   struct sockaddr_storage *from,
 					   socklen_t fromlen,
 					   char *level)
 {
-	struct wpa_ctrl_dst *dst;
-
 	wpa_printf(MSG_DEBUG, "CTRL_IFACE LEVEL %s", level);
 
-	dl_list_for_each(dst, &priv->ctrl_dst, struct wpa_ctrl_dst, list) {
-		if (fromlen == dst->addrlen &&
-		    os_memcmp(from->sun_path, dst->addr.sun_path,
-			      fromlen - offsetof(struct sockaddr_un, sun_path))
-		    == 0) {
-			char addr_txt[200];
-			dst->debug_level = atoi(level);
-			printf_encode(addr_txt, sizeof(addr_txt),
-				      (u8 *) from->sun_path, fromlen -
-				      offsetof(struct sockaddr_un, sun_path));
-			wpa_printf(MSG_DEBUG, "CTRL_IFACE changed monitor level to %d for %s",
-				   dst->debug_level, addr_txt);
-			return 0;
-		}
-	}
-
-	return -1;
+	return ctrl_iface_level(&priv->ctrl_dst, from, fromlen, level);
 }
 
 
@@ -201,7 +134,7 @@
 	struct ctrl_iface_priv *priv = sock_ctx;
 	char buf[4096];
 	int res;
-	struct sockaddr_un from;
+	struct sockaddr_storage from;
 	socklen_t fromlen = sizeof(from);
 	char *reply = NULL, *reply_buf = NULL;
 	size_t reply_len = 0;
@@ -995,33 +928,31 @@
 
 	dl_list_for_each_safe(dst, next, ctrl_dst, struct wpa_ctrl_dst, list) {
 		int _errno;
-		char addr_txt[200];
+		char txt[200];
 
 		if (level < dst->debug_level)
 			continue;
 
-		printf_encode(addr_txt, sizeof(addr_txt),
-			      (u8 *) dst->addr.sun_path, dst->addrlen -
-			      offsetof(struct sockaddr_un, sun_path));
 		msg.msg_name = (void *) &dst->addr;
 		msg.msg_namelen = dst->addrlen;
 		wpas_ctrl_sock_debug("ctrl_sock-sendmsg", sock, buf, len);
 		if (sendmsg(sock, &msg, MSG_DONTWAIT) >= 0) {
-			wpa_printf(MSG_MSGDUMP,
-				   "CTRL_IFACE monitor sent successfully to %s",
-				   addr_txt);
+			sockaddr_print(MSG_MSGDUMP,
+				       "CTRL_IFACE monitor sent successfully to",
+				       &dst->addr, dst->addrlen);
 			dst->errors = 0;
 			continue;
 		}
 
 		_errno = errno;
-		wpa_printf(MSG_DEBUG, "CTRL_IFACE monitor[%s]: %d - %s",
-			   addr_txt, errno, strerror(errno));
+		os_snprintf(txt, sizeof(txt), "CTRL_IFACE monitor: %d (%s) for",
+			    _errno, strerror(_errno));
+		sockaddr_print(MSG_DEBUG, txt, &dst->addr, dst->addrlen);
 		dst->errors++;
 
 		if (dst->errors > 10 || _errno == ENOENT || _errno == EPERM) {
-			wpa_printf(MSG_INFO, "CTRL_IFACE: Detach monitor %s that cannot receive messages",
-				addr_txt);
+			sockaddr_print(MSG_INFO, "CTRL_IFACE: Detach monitor that cannot receive messages:",
+				       &dst->addr, dst->addrlen);
 			wpa_supplicant_ctrl_iface_detach(ctrl_dst, &dst->addr,
 							 dst->addrlen);
 		}
@@ -1055,7 +986,7 @@
 {
 	char buf[256];
 	int res;
-	struct sockaddr_un from;
+	struct sockaddr_storage from;
 	socklen_t fromlen = sizeof(from);
 
 	if (priv->sock == -1)
@@ -1118,7 +1049,7 @@
 	struct ctrl_iface_global_priv *priv = sock_ctx;
 	char buf[4096];
 	int res;
-	struct sockaddr_un from;
+	struct sockaddr_storage from;
 	socklen_t fromlen = sizeof(from);
 	char *reply = NULL, *reply_buf = NULL;
 	size_t reply_len;
diff --git a/wpa_supplicant/dbus/dbus_new.c b/wpa_supplicant/dbus/dbus_new.c
index d74630e..d894f6a 100644
--- a/wpa_supplicant/dbus/dbus_new.c
+++ b/wpa_supplicant/dbus/dbus_new.c
@@ -2001,6 +2001,10 @@
 		prop = "DisconnectReason";
 		flush = TRUE;
 		break;
+	case WPAS_DBUS_PROP_ASSOC_STATUS_CODE:
+		prop = "AssocStatusCode";
+		flush = TRUE;
+		break;
 	default:
 		wpa_printf(MSG_ERROR, "dbus: %s: Unknown Property value %d",
 			   __func__, property);
@@ -3255,6 +3259,11 @@
 	  NULL,
 	  NULL
 	},
+	{ "AssocStatusCode", WPAS_DBUS_NEW_IFACE_INTERFACE, "i",
+	  wpas_dbus_getter_assoc_status_code,
+	  NULL,
+	  NULL
+	},
 	{ NULL, NULL, NULL, NULL, NULL, NULL }
 };
 
diff --git a/wpa_supplicant/dbus/dbus_new.h b/wpa_supplicant/dbus/dbus_new.h
index 6d240ff..3ac66db 100644
--- a/wpa_supplicant/dbus/dbus_new.h
+++ b/wpa_supplicant/dbus/dbus_new.h
@@ -29,6 +29,7 @@
 	WPAS_DBUS_PROP_CURRENT_AUTH_MODE,
 	WPAS_DBUS_PROP_BSSS,
 	WPAS_DBUS_PROP_DISCONNECT_REASON,
+	WPAS_DBUS_PROP_ASSOC_STATUS_CODE,
 };
 
 enum wpas_dbus_bss_prop {
diff --git a/wpa_supplicant/dbus/dbus_new_handlers.c b/wpa_supplicant/dbus/dbus_new_handlers.c
index 09461c5..da90ea1 100644
--- a/wpa_supplicant/dbus/dbus_new_handlers.c
+++ b/wpa_supplicant/dbus/dbus_new_handlers.c
@@ -2858,6 +2858,27 @@
 
 
 /**
+ * wpas_dbus_getter_assoc_status_code - Get most recent failed assoc status code
+ * @iter: Pointer to incoming dbus message iter
+ * @error: Location to store error on failure
+ * @user_data: Function specific data
+ * Returns: TRUE on success, FALSE on failure
+ *
+ * Getter for "AssocStatusCode" property.
+ */
+dbus_bool_t wpas_dbus_getter_assoc_status_code(
+	const struct wpa_dbus_property_desc *property_desc,
+	DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+	struct wpa_supplicant *wpa_s = user_data;
+	dbus_int32_t status_code = wpa_s->assoc_status_code;
+
+	return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32,
+						&status_code, error);
+}
+
+
+/**
  * wpas_dbus_getter_bss_expire_age - Get BSS entry expiration age
  * @iter: Pointer to incoming dbus message iter
  * @error: Location to store error on failure
diff --git a/wpa_supplicant/dbus/dbus_new_handlers.h b/wpa_supplicant/dbus/dbus_new_handlers.h
index 31b92d1..cd299c0 100644
--- a/wpa_supplicant/dbus/dbus_new_handlers.h
+++ b/wpa_supplicant/dbus/dbus_new_handlers.h
@@ -138,6 +138,7 @@
 DECLARE_ACCESSOR(wpas_dbus_setter_fast_reauth);
 DECLARE_ACCESSOR(wpas_dbus_getter_disconnect_reason);
 DECLARE_ACCESSOR(wpas_dbus_getter_disassociate_reason);
+DECLARE_ACCESSOR(wpas_dbus_getter_assoc_status_code);
 DECLARE_ACCESSOR(wpas_dbus_getter_bss_expire_age);
 DECLARE_ACCESSOR(wpas_dbus_setter_bss_expire_age);
 DECLARE_ACCESSOR(wpas_dbus_getter_bss_expire_count);
diff --git a/wpa_supplicant/events.c b/wpa_supplicant/events.c
index b3e730f..a84ba2d 100644
--- a/wpa_supplicant/events.c
+++ b/wpa_supplicant/events.c
@@ -3505,6 +3505,8 @@
 			wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_ASSOC_REJECT
 				"status_code=%u",
 				data->assoc_reject.status_code);
+		wpa_s->assoc_status_code = data->assoc_reject.status_code;
+		wpas_notify_assoc_status_code(wpa_s);
 		if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
 			sme_event_assoc_reject(wpa_s, data);
 		else {
diff --git a/wpa_supplicant/notify.c b/wpa_supplicant/notify.c
index 45d06bf..325883d 100644
--- a/wpa_supplicant/notify.c
+++ b/wpa_supplicant/notify.c
@@ -128,6 +128,15 @@
 }
 
 
+void wpas_notify_assoc_status_code(struct wpa_supplicant *wpa_s)
+{
+	if (wpa_s->p2p_mgmt)
+		return;
+
+	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_ASSOC_STATUS_CODE);
+}
+
+
 void wpas_notify_network_changed(struct wpa_supplicant *wpa_s)
 {
 	if (wpa_s->p2p_mgmt)
diff --git a/wpa_supplicant/notify.h b/wpa_supplicant/notify.h
index d9f0f5a..1b7f04d 100644
--- a/wpa_supplicant/notify.h
+++ b/wpa_supplicant/notify.h
@@ -23,6 +23,7 @@
 			       enum wpa_states new_state,
 			       enum wpa_states old_state);
 void wpas_notify_disconnect_reason(struct wpa_supplicant *wpa_s);
+void wpas_notify_assoc_status_code(struct wpa_supplicant *wpa_s);
 void wpas_notify_network_changed(struct wpa_supplicant *wpa_s);
 void wpas_notify_ap_scan_changed(struct wpa_supplicant *wpa_s);
 void wpas_notify_bssid_changed(struct wpa_supplicant *wpa_s);
diff --git a/wpa_supplicant/p2p_supplicant.c b/wpa_supplicant/p2p_supplicant.c
index cf2653d..5ff758f 100644
--- a/wpa_supplicant/p2p_supplicant.c
+++ b/wpa_supplicant/p2p_supplicant.c
@@ -5771,6 +5771,7 @@
 	unsigned int cand;
 	unsigned int num, i;
 	int ignore_no_freqs = 0;
+	int unused_channels = wpas_p2p_num_unused_channels(wpa_s) > 0;
 
 	os_memset(params, 0, sizeof(*params));
 	params->role_go = 1;
@@ -5827,8 +5828,7 @@
 			}
 		}
 
-		if (!ignore_no_freqs &&
-		    wpas_p2p_num_unused_channels(wpa_s) <= 0) {
+		if (!ignore_no_freqs && !unused_channels) {
 			wpa_printf(MSG_DEBUG,
 				   "P2P: Cannot force GO on freq (%d MHz) as all the channels are in use",
 				   freq);
@@ -5843,12 +5843,13 @@
 	}
 
 	/* consider using one of the shared frequencies */
-	if (num) {
+	if (num &&
+	    (!wpa_s->conf->p2p_ignore_shared_freq || !unused_channels)) {
 		cand = wpas_p2p_pick_best_used_freq(wpa_s, freqs, num);
 		if (wpas_p2p_supported_freq_go(wpa_s, channels, cand)) {
 			wpa_printf(MSG_DEBUG,
 				   "P2P: Use shared freq (%d MHz) for GO",
-				   freq);
+				   cand);
 			params->freq = cand;
 			goto success;
 		}
@@ -5859,15 +5860,14 @@
 						       freqs[i].freq)) {
 				wpa_printf(MSG_DEBUG,
 					   "P2P: Use shared freq (%d MHz) for GO",
-					   freq);
+					   freqs[i].freq);
 				params->freq = freqs[i].freq;
 				goto success;
 			}
 		}
 	}
 
-	if (!ignore_no_freqs &&
-	    wpas_p2p_num_unused_channels(wpa_s) <= 0) {
+	if (!ignore_no_freqs && !unused_channels) {
 		wpa_printf(MSG_DEBUG,
 			   "P2P: Cannot force GO on any of the channels we are already using");
 		goto fail;
diff --git a/wpa_supplicant/wpa_supplicant_i.h b/wpa_supplicant/wpa_supplicant_i.h
index 1b16d28..269bac0 100644
--- a/wpa_supplicant/wpa_supplicant_i.h
+++ b/wpa_supplicant/wpa_supplicant_i.h
@@ -950,6 +950,9 @@
 	/* WLAN_REASON_* reason codes. Negative if locally generated. */
 	int disconnect_reason;
 
+	/* WLAN_STATUS_* status codes from (Re)Association Response frame. */
+	u16 assoc_status_code;
+
 	struct ext_password_data *ext_pw;
 
 	struct wpabuf *last_gas_resp, *prev_gas_resp;