X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=src%2Fipconfig.c;h=e26f209f131e31e0cec1796f12bd0e805548c6df;hb=5ed7094e4994d03c7606f25881918565c81d1c24;hp=c5570635aeb97370f35a713fd3677c4dcc254d3c;hpb=d3a1f0036b1aaa84051eadc107076f7a6efc5dbc;p=framework%2Fconnectivity%2Fconnman.git

diff --git a/src/ipconfig.c b/src/ipconfig.c
index c557063..e26f209 100644
--- a/src/ipconfig.c
+++ b/src/ipconfig.c
@@ -23,6 +23,8 @@
 #include <config.h>
 #endif
 
+#include <errno.h>
+#include <stdio.h>
 #include <net/if.h>
 #include <net/if_arp.h>
 #include <linux/if_link.h>
@@ -38,7 +40,7 @@
 #include "connman.h"
 
 struct connman_ipconfig {
-	gint refcount;
+	int refcount;
 	int index;
 	enum connman_ipconfig_type type;
 
@@ -51,7 +53,8 @@ struct connman_ipconfig {
 	struct connman_ipaddress *address;
 	struct connman_ipaddress *system;
 
-	struct connman_ipconfig *ipv6;
+	int ipv6_privacy_config;
+	char *last_dhcp_address;
 };
 
 struct connman_ipdevice {
@@ -71,12 +74,16 @@ struct connman_ipdevice {
 	uint32_t tx_dropped;
 
 	GSList *address_list;
-	char *gateway;
+	char *ipv4_gateway;
+	char *ipv6_gateway;
 
-	struct connman_ipconfig *config;
+	char *pac;
 
-	struct connman_ipconfig_driver *driver;
-	struct connman_ipconfig *driver_config;
+	struct connman_ipconfig *config_ipv4;
+	struct connman_ipconfig *config_ipv6;
+
+	gboolean ipv6_enabled;
+	int ipv6_privacy;
 };
 
 static GHashTable *ipdevice_hash = NULL;
@@ -112,16 +119,23 @@ void connman_ipaddress_free(struct connman_ipaddress *ipaddress)
 	g_free(ipaddress);
 }
 
-static unsigned char netmask2prefixlen(const char *netmask)
+unsigned char __connman_ipconfig_netmask_prefix_len(const char *netmask)
 {
-	unsigned char bits = 0;
-	in_addr_t mask = inet_network(netmask);
-	in_addr_t host = ~mask;
+	unsigned char bits;
+	in_addr_t mask;
+	in_addr_t host;
+
+	if (netmask == NULL)
+		return 32;
+
+	mask = inet_network(netmask);
+	host = ~mask;
 
 	/* a valid netmask must be 2^n - 1 */
 	if ((host & (host + 1)) != 0)
 		return -1;
 
+	bits = 0;
 	for (; mask; mask <<= 1)
 		++bits;
 
@@ -133,6 +147,9 @@ static gboolean check_ipv6_address(const char *address)
 	unsigned char buf[sizeof(struct in6_addr)];
 	int err;
 
+	if (address == NULL)
+		return FALSE;
+
 	err = inet_pton(AF_INET6, address, buf);
 	if (err > 0)
 		return TRUE;
@@ -141,8 +158,9 @@ static gboolean check_ipv6_address(const char *address)
 }
 
 int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
-				const char *address, const char *gateway,
-						unsigned char prefix_length)
+				const char *address,
+				unsigned char prefix_length,
+				const char *gateway)
 {
 	if (ipaddress == NULL)
 		return -EINVAL;
@@ -156,6 +174,8 @@ int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
 	DBG("prefix_len %d address %s gateway %s",
 			prefix_length, address, gateway);
 
+	ipaddress->family = AF_INET6;
+
 	ipaddress->prefixlen = prefix_length;
 
 	g_free(ipaddress->local);
@@ -167,22 +187,33 @@ int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
 	return 0;
 }
 
-void connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
+int connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
 		const char *address, const char *netmask, const char *gateway)
 {
 	if (ipaddress == NULL)
-		return;
+		return -EINVAL;
 
-	if (netmask != NULL)
-		ipaddress->prefixlen = netmask2prefixlen(netmask);
-	else
-		ipaddress->prefixlen = 32;
+	ipaddress->family = AF_INET;
+
+	ipaddress->prefixlen = __connman_ipconfig_netmask_prefix_len(netmask);
 
 	g_free(ipaddress->local);
 	ipaddress->local = g_strdup(address);
 
 	g_free(ipaddress->gateway);
 	ipaddress->gateway = g_strdup(gateway);
+
+	return 0;
+}
+
+void connman_ipaddress_set_peer(struct connman_ipaddress *ipaddress,
+				const char *peer)
+{
+	if (ipaddress == NULL)
+		return;
+
+	g_free(ipaddress->peer);
+	ipaddress->peer = g_strdup(peer);
 }
 
 void connman_ipaddress_clear(struct connman_ipaddress *ipaddress)
@@ -258,6 +289,20 @@ static struct connman_ipaddress *find_ipaddress(struct connman_ipdevice *ipdevic
 	return NULL;
 }
 
+const char *__connman_ipconfig_type2string(enum connman_ipconfig_type type)
+{
+	switch (type) {
+	case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
+		return "unknown";
+	case CONNMAN_IPCONFIG_TYPE_IPV4:
+		return "IPv4";
+	case CONNMAN_IPCONFIG_TYPE_IPV6:
+		return "IPv6";
+	}
+
+	return NULL;
+}
+
 static const char *type2str(unsigned short type)
 {
 	switch (type) {
@@ -288,132 +333,236 @@ static const char *scope2str(unsigned char scope)
 	return "";
 }
 
-static void free_ipdevice(gpointer data)
+static gboolean get_ipv6_state(gchar *ifname)
 {
-	struct connman_ipdevice *ipdevice = data;
+	int disabled;
+	gchar *path;
+	FILE *f;
+	gboolean enabled = FALSE;
 
-	connman_info("%s {remove} index %d", ipdevice->ifname,
-							ipdevice->index);
+	if (ifname == NULL)
+		path = g_strdup("/proc/sys/net/ipv6/conf/all/disable_ipv6");
+	else
+		path = g_strdup_printf(
+			"/proc/sys/net/ipv6/conf/%s/disable_ipv6", ifname);
 
-	if (ipdevice->config != NULL)
-		connman_ipconfig_unref(ipdevice->config);
+	if (path == NULL)
+		return enabled;
 
-	free_address_list(ipdevice);
-	g_free(ipdevice->gateway);
+	f = fopen(path, "r");
 
-	g_free(ipdevice->address);
-	g_free(ipdevice->ifname);
-	g_free(ipdevice);
+	g_free(path);
+
+	if (f != NULL) {
+		if (fscanf(f, "%d", &disabled) > 0)
+			enabled = !disabled;
+		fclose(f);
+	}
+
+	return enabled;
 }
 
-static GSList *driver_list = NULL;
+static void set_ipv6_state(gchar *ifname, gboolean enable)
+{
+	gchar *path;
+	FILE *f;
+
+	if (ifname == NULL)
+		path = g_strdup("/proc/sys/net/ipv6/conf/all/disable_ipv6");
+	else
+		path = g_strdup_printf(
+			"/proc/sys/net/ipv6/conf/%s/disable_ipv6", ifname);
+
+	if (path == NULL)
+		return;
+
+	f = fopen(path, "r+");
+
+	g_free(path);
+
+	if (f == NULL)
+		return;
+
+	if (enable == FALSE)
+		fprintf(f, "1");
+	else
+		fprintf(f, "0");
+
+	fclose(f);
+}
 
-static gint compare_priority(gconstpointer a, gconstpointer b)
+static int get_ipv6_privacy(gchar *ifname)
 {
-	const struct connman_ipconfig_driver *driver1 = a;
-	const struct connman_ipconfig_driver *driver2 = b;
+	gchar *path;
+	FILE *f;
+	int value;
+
+	if (ifname == NULL)
+		return 0;
+
+	path = g_strdup_printf("/proc/sys/net/ipv6/conf/%s/use_tempaddr",
+								ifname);
+
+	if (path == NULL)
+		return 0;
+
+	f = fopen(path, "r");
 
-	return driver2->priority - driver1->priority;
+	g_free(path);
+
+	if (f == NULL)
+		return 0;
+
+	if (fscanf(f, "%d", &value) <= 0)
+		value = 0;
+
+	fclose(f);
+
+	return value;
 }
 
-/**
- * connman_ipconfig_driver_register:
- * @driver: IP configuration driver
- *
- * Register a new IP configuration driver
- *
- * Returns: %0 on success
+/* Enable the IPv6 privacy extension for stateless address autoconfiguration.
+ * The privacy extension is described in RFC 3041 and RFC 4941
  */
-int connman_ipconfig_driver_register(struct connman_ipconfig_driver *driver)
+static void set_ipv6_privacy(gchar *ifname, int value)
 {
-	DBG("driver %p name %s", driver, driver->name);
+	gchar *path;
+	FILE *f;
 
-	driver_list = g_slist_insert_sorted(driver_list, driver,
-							compare_priority);
+	if (ifname == NULL)
+		return;
 
-	return 0;
+	path = g_strdup_printf("/proc/sys/net/ipv6/conf/%s/use_tempaddr",
+								ifname);
+
+	if (path == NULL)
+		return;
+
+	if (value < 0)
+		value = 0;
+
+	f = fopen(path, "r+");
+
+	g_free(path);
+
+	if (f == NULL)
+		return;
+
+	fprintf(f, "%d", value);
+	fclose(f);
 }
 
-/**
- * connman_ipconfig_driver_unregister:
- * @driver: IP configuration driver
- *
- * Remove a previously registered IP configuration driver.
- */
-void connman_ipconfig_driver_unregister(struct connman_ipconfig_driver *driver)
+static int get_rp_filter()
 {
-	DBG("driver %p name %s", driver, driver->name);
+	FILE *f;
+	int value = -EINVAL, tmp;
+
+	f = fopen("/proc/sys/net/ipv4/conf/all/rp_filter", "r");
+
+	if (f != NULL) {
+		if (fscanf(f, "%d", &tmp) == 1)
+			value = tmp;
+		fclose(f);
+	}
 
-	driver_list = g_slist_remove(driver_list, driver);
+	return value;
 }
 
-static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
+static void set_rp_filter(int value)
 {
-	GSList *list;
+	FILE *f;
 
-	DBG("ipconfig %p", ipdevice->config);
+	f = fopen("/proc/sys/net/ipv4/conf/all/rp_filter", "r+");
 
-	if (ipdevice->config == NULL)
+	if (f == NULL)
 		return;
 
-	switch (ipdevice->config->method) {
-	case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
-	case CONNMAN_IPCONFIG_METHOD_OFF:
-	case CONNMAN_IPCONFIG_METHOD_FIXED:
-	case CONNMAN_IPCONFIG_METHOD_MANUAL:
-		return;
-	case CONNMAN_IPCONFIG_METHOD_DHCP:
-		break;
-	}
+	fprintf(f, "%d", value);
 
-	if (ipdevice->driver != NULL)
-		return;
+	fclose(f);
+}
 
-	ipdevice->driver_config = connman_ipconfig_clone(ipdevice->config);
-	if (ipdevice->driver_config == NULL)
-		return;
+int __connman_ipconfig_set_rp_filter()
+{
+	int value;
 
-	for (list = driver_list; list; list = list->next) {
-		struct connman_ipconfig_driver *driver = list->data;
+	value = get_rp_filter();
 
-		if (driver->request(ipdevice->driver_config) == 0) {
-			ipdevice->driver = driver;
-			break;
-		}
-	}
+	if (value < 0)
+		return value;
 
-	if (ipdevice->driver == NULL) {
-		connman_ipconfig_unref(ipdevice->driver_config);
-		ipdevice->driver_config = NULL;
-	}
+	set_rp_filter(2);
+
+	connman_info("rp_filter set to 2 (loose mode routing), "
+			"old value was %d", value);
+
+	return value;
 }
 
-static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
+void __connman_ipconfig_unset_rp_filter(int old_value)
 {
-	DBG("ipconfig %p", ipdevice->config);
+	set_rp_filter(old_value);
 
-	if (ipdevice->config == NULL)
-		return;
+	connman_info("rp_filter restored to %d", old_value);
+}
 
-	if (ipdevice->driver == NULL)
-		return;
+static void free_ipdevice(gpointer data)
+{
+	struct connman_ipdevice *ipdevice = data;
+
+	connman_info("%s {remove} index %d", ipdevice->ifname,
+							ipdevice->index);
+
+	if (ipdevice->config_ipv4 != NULL) {
+		connman_ipconfig_unref(ipdevice->config_ipv4);
+		ipdevice->config_ipv4 = NULL;
+	}
+
+	if (ipdevice->config_ipv6 != NULL) {
+		connman_ipconfig_unref(ipdevice->config_ipv6);
+		ipdevice->config_ipv6 = NULL;
+	}
+
+	free_address_list(ipdevice);
+	g_free(ipdevice->ipv4_gateway);
+	g_free(ipdevice->ipv6_gateway);
+	g_free(ipdevice->pac);
+
+	g_free(ipdevice->address);
+
+	set_ipv6_state(ipdevice->ifname, ipdevice->ipv6_enabled);
+	set_ipv6_privacy(ipdevice->ifname, ipdevice->ipv6_privacy);
+
+	g_free(ipdevice->ifname);
+	g_free(ipdevice);
+}
 
-	ipdevice->driver->release(ipdevice->driver_config);
+static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
+{
+	DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
+					ipdevice->config_ipv6);
+}
 
-	ipdevice->driver = NULL;
+static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
+{
+	DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
+					ipdevice->config_ipv6);
 
-	connman_ipconfig_unref(ipdevice->driver_config);
-	ipdevice->driver_config = NULL;
+	if (ipdevice->config_ipv4)
+		connman_inet_clear_address(ipdevice->index,
+					ipdevice->config_ipv4->address);
 
-	connman_inet_clear_address(ipdevice->index);
-	connman_inet_clear_ipv6_address(ipdevice->index,
-			ipdevice->driver_config->address->local,
-			ipdevice->driver_config->address->prefixlen);
+	if (ipdevice->config_ipv6)
+		connman_inet_clear_ipv6_address(ipdevice->index,
+				ipdevice->config_ipv6->address->local,
+				ipdevice->config_ipv6->address->prefixlen);
 }
 
 static void update_stats(struct connman_ipdevice *ipdevice,
 						struct rtnl_link_stats *stats)
 {
+	struct connman_service *service;
+
 	if (stats->rx_packets == 0 && stats->tx_packets == 0)
 		return;
 
@@ -422,7 +571,17 @@ static void update_stats(struct connman_ipdevice *ipdevice,
 	connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname,
 					stats->tx_packets, stats->tx_bytes);
 
-	if (ipdevice->config == NULL)
+	if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
+		return;
+
+	if (ipdevice->config_ipv4)
+		service = connman_ipconfig_get_data(ipdevice->config_ipv4);
+	else if (ipdevice->config_ipv6)
+		service = connman_ipconfig_get_data(ipdevice->config_ipv6);
+	else
+		return;
+
+	if (service == NULL)
 		return;
 
 	ipdevice->rx_packets = stats->rx_packets;
@@ -434,7 +593,7 @@ static void update_stats(struct connman_ipdevice *ipdevice,
 	ipdevice->rx_dropped = stats->rx_dropped;
 	ipdevice->tx_dropped = stats->tx_dropped;
 
-	__connman_counter_notify(ipdevice->config,
+	__connman_service_notify(service,
 				ipdevice->rx_packets, ipdevice->tx_packets,
 				ipdevice->rx_bytes, ipdevice->tx_bytes,
 				ipdevice->rx_errors, ipdevice->tx_errors,
@@ -469,6 +628,9 @@ void __connman_ipconfig_newlink(int index, unsigned short type,
 	ipdevice->ifname = connman_inet_ifname(index);
 	ipdevice->type = type;
 
+	ipdevice->ipv6_enabled = get_ipv6_state(ipdevice->ifname);
+	ipdevice->ipv6_privacy = get_ipv6_privacy(ipdevice->ifname);
+
 	ipdevice->address = g_strdup(address);
 
 	g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
@@ -543,6 +705,13 @@ update:
 			ipconfig->ops->down(ipconfig);
 	}
 
+#if defined TIZEN_EXT
+	if (g_strcmp0(ipdevice->address, address) != 0) {
+		g_free(ipdevice->address);
+		ipdevice->address = g_strdup(address);
+	}
+#endif
+
 	if (lower_up)
 		__connman_ipconfig_lower_up(ipdevice);
 	if (lower_down)
@@ -585,11 +754,23 @@ void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
 	g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index));
 }
 
+static inline gint check_duplicate_address(gconstpointer a, gconstpointer b)
+{
+	const struct connman_ipaddress *addr1 = a;
+	const struct connman_ipaddress *addr2 = b;
+
+	if (addr1->prefixlen != addr2->prefixlen)
+		return addr2->prefixlen - addr1->prefixlen;
+
+	return g_strcmp0(addr1->local, addr2->local);
+}
+
 void __connman_ipconfig_newaddr(int index, int family, const char *label,
 				unsigned char prefixlen, const char *address)
 {
 	struct connman_ipdevice *ipdevice;
 	struct connman_ipaddress *ipaddress;
+	enum connman_ipconfig_type type;
 	GList *list;
 
 	DBG("index %d", index);
@@ -605,25 +786,36 @@ void __connman_ipconfig_newaddr(int index, int family, const char *label,
 	ipaddress->prefixlen = prefixlen;
 	ipaddress->local = g_strdup(address);
 
+	if (g_slist_find_custom(ipdevice->address_list, ipaddress,
+					check_duplicate_address)) {
+		connman_ipaddress_free(ipaddress);
+		return;
+	}
+
+	if (family == AF_INET)
+		type = CONNMAN_IPCONFIG_TYPE_IPV4;
+	else if (family == AF_INET6)
+		type = CONNMAN_IPCONFIG_TYPE_IPV6;
+	else
+		return;
+
 	ipdevice->address_list = g_slist_append(ipdevice->address_list,
 								ipaddress);
 
-	connman_info("%s {add} address %s/%u label %s", ipdevice->ifname,
-						address, prefixlen, label);
+	connman_info("%s {add} address %s/%u label %s family %d",
+		ipdevice->ifname, address, prefixlen, label, family);
 
-	if (ipdevice->config != NULL) {
-		if (family == AF_INET6 && ipdevice->config->ipv6 != NULL)
-			connman_ipaddress_copy(ipdevice->config->ipv6->system,
-							ipaddress);
-		else
-			connman_ipaddress_copy(ipdevice->config->system,
-							ipaddress);
-	}
+	if (ipdevice->config_ipv4 != NULL && family == AF_INET)
+		connman_ipaddress_copy(ipdevice->config_ipv4->system,
+					ipaddress);
 
-	if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
+	else if (ipdevice->config_ipv6 != NULL && family == AF_INET6)
+		connman_ipaddress_copy(ipdevice->config_ipv6->system,
+					ipaddress);
+	else
 		return;
 
-	if (g_slist_length(ipdevice->address_list) > 1)
+	if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 		return;
 
 	for (list = g_list_first(ipconfig_list); list;
@@ -633,6 +825,9 @@ void __connman_ipconfig_newaddr(int index, int family, const char *label,
 		if (index != ipconfig->index)
 			continue;
 
+		if (type != ipconfig->type)
+			continue;
+
 		if (ipconfig->ops == NULL)
 			continue;
 
@@ -646,6 +841,7 @@ void __connman_ipconfig_deladdr(int index, int family, const char *label,
 {
 	struct connman_ipdevice *ipdevice;
 	struct connman_ipaddress *ipaddress;
+	enum connman_ipconfig_type type;
 	GList *list;
 
 	DBG("index %d", index);
@@ -658,10 +854,18 @@ void __connman_ipconfig_deladdr(int index, int family, const char *label,
 	if (ipaddress == NULL)
 		return;
 
+	if (family == AF_INET)
+		type = CONNMAN_IPCONFIG_TYPE_IPV4;
+	else if (family == AF_INET6)
+		type = CONNMAN_IPCONFIG_TYPE_IPV6;
+	else
+		return;
+
 	ipdevice->address_list = g_slist_remove(ipdevice->address_list,
 								ipaddress);
 
-	connman_ipaddress_free(ipaddress);
+	connman_ipaddress_clear(ipaddress);
+	g_free(ipaddress);
 
 	connman_info("%s {del} address %s/%u label %s", ipdevice->ifname,
 						address, prefixlen, label);
@@ -679,6 +883,9 @@ void __connman_ipconfig_deladdr(int index, int family, const char *label,
 		if (index != ipconfig->index)
 			continue;
 
+		if (type != ipconfig->type)
+			continue;
+
 		if (ipconfig->ops == NULL)
 			continue;
 
@@ -687,7 +894,7 @@ void __connman_ipconfig_deladdr(int index, int family, const char *label,
 	}
 }
 
-void __connman_ipconfig_newroute(int index, unsigned char scope,
+void __connman_ipconfig_newroute(int index, int family, unsigned char scope,
 					const char *dst, const char *gateway)
 {
 	struct connman_ipdevice *ipdevice;
@@ -698,17 +905,36 @@ void __connman_ipconfig_newroute(int index, unsigned char scope,
 	if (ipdevice == NULL)
 		return;
 
-	if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
+	if (scope == 0 && (g_strcmp0(dst, "0.0.0.0") == 0 ||
+						g_strcmp0(dst, "::") == 0)) {
 		GSList *list;
-
-		g_free(ipdevice->gateway);
-		ipdevice->gateway = g_strdup(gateway);
-
-		if (ipdevice->config != NULL &&
-					ipdevice->config->system != NULL) {
-			g_free(ipdevice->config->system->gateway);
-			ipdevice->config->system->gateway = g_strdup(gateway);
-		}
+		GList *config_list;
+		enum connman_ipconfig_type type;
+
+		if (family == AF_INET6) {
+			type = CONNMAN_IPCONFIG_TYPE_IPV6;
+			g_free(ipdevice->ipv6_gateway);
+			ipdevice->ipv6_gateway = g_strdup(gateway);
+
+			if (ipdevice->config_ipv6 != NULL &&
+				ipdevice->config_ipv6->system != NULL) {
+				g_free(ipdevice->config_ipv6->system->gateway);
+				ipdevice->config_ipv6->system->gateway =
+					g_strdup(gateway);
+			}
+		} else if (family == AF_INET) {
+			type = CONNMAN_IPCONFIG_TYPE_IPV4;
+			g_free(ipdevice->ipv4_gateway);
+			ipdevice->ipv4_gateway = g_strdup(gateway);
+
+			if (ipdevice->config_ipv4 != NULL &&
+				ipdevice->config_ipv4->system != NULL) {
+				g_free(ipdevice->config_ipv4->system->gateway);
+				ipdevice->config_ipv4->system->gateway =
+					g_strdup(gateway);
+			}
+		} else
+			return;
 
 		for (list = ipdevice->address_list; list; list = list->next) {
 			struct connman_ipaddress *ipaddress = list->data;
@@ -716,6 +942,23 @@ void __connman_ipconfig_newroute(int index, unsigned char scope,
 			g_free(ipaddress->gateway);
 			ipaddress->gateway = g_strdup(gateway);
 		}
+
+		for (config_list = g_list_first(ipconfig_list); config_list;
+					config_list = g_list_next(config_list)) {
+			struct connman_ipconfig *ipconfig = config_list->data;
+
+			if (index != ipconfig->index)
+				continue;
+
+			if (type != ipconfig->type)
+				continue;
+
+			if (ipconfig->ops == NULL)
+				continue;
+
+			if (ipconfig->ops->ip_bound)
+				ipconfig->ops->ip_bound(ipconfig);
+		}
 	}
 
 	connman_info("%s {add} route %s gw %s scope %u <%s>",
@@ -723,7 +966,7 @@ void __connman_ipconfig_newroute(int index, unsigned char scope,
 						scope, scope2str(scope));
 }
 
-void __connman_ipconfig_delroute(int index, unsigned char scope,
+void __connman_ipconfig_delroute(int index, int family, unsigned char scope,
 					const char *dst, const char *gateway)
 {
 	struct connman_ipdevice *ipdevice;
@@ -734,17 +977,34 @@ void __connman_ipconfig_delroute(int index, unsigned char scope,
 	if (ipdevice == NULL)
 		return;
 
-	if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
+	if (scope == 0 && (g_strcmp0(dst, "0.0.0.0") == 0 ||
+						g_strcmp0(dst, "::") == 0)) {
 		GSList *list;
-
-		g_free(ipdevice->gateway);
-		ipdevice->gateway = NULL;
-
-		if (ipdevice->config != NULL &&
-					ipdevice->config->system != NULL) {
-			g_free(ipdevice->config->system->gateway);
-			ipdevice->config->system->gateway = NULL;
-		}
+		GList *config_list;
+		enum connman_ipconfig_type type;
+
+		if (family == AF_INET6) {
+			type = CONNMAN_IPCONFIG_TYPE_IPV6;
+			g_free(ipdevice->ipv6_gateway);
+			ipdevice->ipv6_gateway = NULL;
+
+			if (ipdevice->config_ipv6 != NULL &&
+				ipdevice->config_ipv6->system != NULL) {
+				g_free(ipdevice->config_ipv6->system->gateway);
+				ipdevice->config_ipv6->system->gateway = NULL;
+			}
+		} else if (family == AF_INET) {
+			type = CONNMAN_IPCONFIG_TYPE_IPV4;
+			g_free(ipdevice->ipv4_gateway);
+			ipdevice->ipv4_gateway = NULL;
+
+			if (ipdevice->config_ipv4 != NULL &&
+				ipdevice->config_ipv4->system != NULL) {
+				g_free(ipdevice->config_ipv4->system->gateway);
+				ipdevice->config_ipv4->system->gateway = NULL;
+			}
+		} else
+			return;
 
 		for (list = ipdevice->address_list; list; list = list->next) {
 			struct connman_ipaddress *ipaddress = list->data;
@@ -752,6 +1012,23 @@ void __connman_ipconfig_delroute(int index, unsigned char scope,
 			g_free(ipaddress->gateway);
 			ipaddress->gateway = NULL;
 		}
+
+		for (config_list = g_list_first(ipconfig_list); config_list;
+					config_list = g_list_next(config_list)) {
+			struct connman_ipconfig *ipconfig = config_list->data;
+
+			if (index != ipconfig->index)
+				continue;
+
+			if (type != ipconfig->type)
+				continue;
+
+			if (ipconfig->ops == NULL)
+				continue;
+
+			if (ipconfig->ops->ip_release)
+				ipconfig->ops->ip_release(ipconfig);
+		}
 	}
 
 	connman_info("%s {del} route %s gw %s scope %u <%s>",
@@ -777,7 +1054,13 @@ void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
 	g_list_free(keys);
 }
 
-unsigned short __connman_ipconfig_get_type(int index)
+enum connman_ipconfig_type __connman_ipconfig_get_config_type(
+					struct connman_ipconfig *ipconfig)
+{
+	return ipconfig ? ipconfig->type : CONNMAN_IPCONFIG_TYPE_UNKNOWN;
+}
+
+unsigned short __connman_ipconfig_get_type_from_index(int index)
 {
 	struct connman_ipdevice *ipdevice;
 
@@ -788,7 +1071,7 @@ unsigned short __connman_ipconfig_get_type(int index)
 	return ipdevice->type;
 }
 
-unsigned int __connman_ipconfig_get_flags(int index)
+unsigned int __connman_ipconfig_get_flags_from_index(int index)
 {
 	struct connman_ipdevice *ipdevice;
 
@@ -799,7 +1082,7 @@ unsigned int __connman_ipconfig_get_flags(int index)
 	return ipdevice->flags;
 }
 
-const char *__connman_ipconfig_get_gateway(int index)
+const char *__connman_ipconfig_get_gateway_from_index(int index)
 {
 	struct connman_ipdevice *ipdevice;
 
@@ -807,12 +1090,19 @@ const char *__connman_ipconfig_get_gateway(int index)
 	if (ipdevice == NULL)
 		return NULL;
 
-	if (ipdevice->gateway != NULL)
-		return ipdevice->gateway;
+	if (ipdevice->ipv4_gateway != NULL)
+		return ipdevice->ipv4_gateway;
+
+	if (ipdevice->config_ipv4 != NULL &&
+			ipdevice->config_ipv4->address != NULL)
+		return ipdevice->config_ipv4->address->gateway;
+
+	if (ipdevice->ipv6_gateway != NULL)
+		return ipdevice->ipv6_gateway;
 
-	if (ipdevice->config != NULL &&
-			ipdevice->config->address != NULL)
-		return ipdevice->config->address->gateway;
+	if (ipdevice->config_ipv6 != NULL &&
+			ipdevice->config_ipv6->address != NULL)
+		return ipdevice->config_ipv6->address->gateway;
 
 	return NULL;
 }
@@ -820,102 +1110,213 @@ const char *__connman_ipconfig_get_gateway(int index)
 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
 {
 	ipconfig->index = index;
-
-	if (ipconfig->ipv6 != NULL)
-		ipconfig->ipv6->index = index;
 }
 
-static struct connman_ipconfig *create_ipv6config(int index)
+const char *__connman_ipconfig_get_local(struct connman_ipconfig *ipconfig)
 {
-	struct connman_ipconfig *ipv6config;
-
-	DBG("index %d", index);
-
-	ipv6config = g_try_new0(struct connman_ipconfig, 1);
-	if (ipv6config == NULL)
+	if (ipconfig->address == NULL)
 		return NULL;
 
-	ipv6config->index = index;
-	ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
-
-	ipv6config->address = connman_ipaddress_alloc(AF_INET6);
-	if (ipv6config->address == NULL) {
-		g_free(ipv6config);
-		return NULL;
-	}
+	return ipconfig->address->local;
+}
 
-	ipv6config->system = connman_ipaddress_alloc(AF_INET6);
+void __connman_ipconfig_set_local(struct connman_ipconfig *ipconfig, const char *address)
+{
+	if (ipconfig->address == NULL)
+		return;
 
-	ipv6config->ipv6 = NULL;
+	g_free(ipconfig->address->local);
+	ipconfig->address->local = g_strdup(address);
+}
 
-	DBG("ipconfig %p", ipv6config);
+const char *__connman_ipconfig_get_peer(struct connman_ipconfig *ipconfig)
+{
+	if (ipconfig->address == NULL)
+		return NULL;
 
-	return ipv6config;
+	return ipconfig->address->peer;
 }
 
-/**
- * connman_ipconfig_create:
- *
- * Allocate a new ipconfig structure.
- *
- * Returns: a newly-allocated #connman_ipconfig structure
- */
-struct connman_ipconfig *connman_ipconfig_create(int index)
+void __connman_ipconfig_set_peer(struct connman_ipconfig *ipconfig, const char *address)
 {
-	struct connman_ipconfig *ipconfig;
+	if (ipconfig->address == NULL)
+		return;
 
-	DBG("index %d", index);
+	g_free(ipconfig->address->peer);
+	ipconfig->address->peer = g_strdup(address);
+}
 
-	ipconfig = g_try_new0(struct connman_ipconfig, 1);
-	if (ipconfig == NULL)
+const char *__connman_ipconfig_get_broadcast(struct connman_ipconfig *ipconfig)
+{
+	if (ipconfig->address == NULL)
 		return NULL;
 
-	ipconfig->refcount = 1;
+	return ipconfig->address->broadcast;
+}
 
-	ipconfig->index = index;
-	ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
+void __connman_ipconfig_set_broadcast(struct connman_ipconfig *ipconfig, const char *broadcast)
+{
+	if (ipconfig->address == NULL)
+		return;
 
-	ipconfig->address = connman_ipaddress_alloc(AF_INET);
-	if (ipconfig->address == NULL) {
-		g_free(ipconfig);
-		return NULL;
-	}
+	g_free(ipconfig->address->broadcast);
+	ipconfig->address->broadcast = g_strdup(broadcast);
+}
 
-	ipconfig->system = connman_ipaddress_alloc(AF_INET);
+const char *__connman_ipconfig_get_gateway(struct connman_ipconfig *ipconfig)
+{
+	if (ipconfig->address == NULL)
+		return NULL;
 
-	ipconfig->ipv6 = create_ipv6config(index);
+	return ipconfig->address->gateway;
+}
 
-	DBG("ipconfig %p", ipconfig);
+void __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig, const char *gateway)
+{
+	DBG("");
 
-	return ipconfig;
+	if (ipconfig->address == NULL)
+		return;
+	g_free(ipconfig->address->gateway);
+	ipconfig->address->gateway = g_strdup(gateway);
+}
+
+#if defined TIZEN_EXT
+/*
+ * Description: __connman_service_lookup_from_index cannot find correct service
+ */
+int __connman_ipconfig_gateway_add(struct connman_ipconfig *ipconfig, struct connman_service *service)
+#else
+int __connman_ipconfig_gateway_add(struct connman_ipconfig *ipconfig)
+#endif
+{
+#if !defined TIZEN_EXT
+	struct connman_service *service;
+#endif
+
+	DBG("");
+
+	if (ipconfig->address == NULL)
+		return -EINVAL;
+
+#if !defined TIZEN_EXT
+	service = __connman_service_lookup_from_index(ipconfig->index);
+#endif
+	if (service == NULL)
+		return -EINVAL;
+
+	__connman_connection_gateway_remove(service, ipconfig->type);
+
+	DBG("type %d gw %s peer %s", ipconfig->type,
+		ipconfig->address->gateway, ipconfig->address->peer);
+
+	if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6 ||
+				ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
+		return __connman_connection_gateway_add(service,
+						ipconfig->address->gateway,
+						ipconfig->type,
+						ipconfig->address->peer);
+
+	return 0;
+}
+
+void __connman_ipconfig_gateway_remove(struct connman_ipconfig *ipconfig)
+{
+	struct connman_service *service;
+
+	DBG("");
+
+	service = __connman_service_lookup_from_index(ipconfig->index);
+	if (service != NULL)
+		__connman_connection_gateway_remove(service, ipconfig->type);
+}
+
+unsigned char __connman_ipconfig_get_prefixlen(struct connman_ipconfig *ipconfig)
+{
+	if (ipconfig->address == NULL)
+		return 0;
+
+	return ipconfig->address->prefixlen;
+}
+
+void __connman_ipconfig_set_prefixlen(struct connman_ipconfig *ipconfig, unsigned char prefixlen)
+{
+	if (ipconfig->address == NULL)
+		return;
+
+	ipconfig->address->prefixlen = prefixlen;
+}
+
+static struct connman_ipconfig *create_ipv6config(int index)
+{
+	struct connman_ipconfig *ipv6config;
+
+	DBG("index %d", index);
+
+	ipv6config = g_try_new0(struct connman_ipconfig, 1);
+	if (ipv6config == NULL)
+		return NULL;
+
+	ipv6config->refcount = 1;
+
+	ipv6config->index = index;
+	ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
+	ipv6config->method = CONNMAN_IPCONFIG_METHOD_AUTO;
+	ipv6config->ipv6_privacy_config = 0;
+
+	ipv6config->address = connman_ipaddress_alloc(AF_INET6);
+	if (ipv6config->address == NULL) {
+		g_free(ipv6config);
+		return NULL;
+	}
+
+	ipv6config->system = connman_ipaddress_alloc(AF_INET6);
+
+	DBG("ipconfig %p", ipv6config);
+
+	return ipv6config;
 }
 
 /**
- * connman_ipconfig_clone:
+ * connman_ipconfig_create:
  *
- * Clone an ipconfig structure and create new reference.
+ * Allocate a new ipconfig structure.
  *
  * Returns: a newly-allocated #connman_ipconfig structure
  */
-struct connman_ipconfig *connman_ipconfig_clone(struct connman_ipconfig *ipconfig)
+struct connman_ipconfig *connman_ipconfig_create(int index,
+					enum connman_ipconfig_type type)
 {
-	struct connman_ipconfig *ipconfig_clone;
+	struct connman_ipconfig *ipconfig;
 
-	DBG("ipconfig %p", ipconfig);
+	if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
+		return create_ipv6config(index);
 
-	ipconfig_clone = g_try_new0(struct connman_ipconfig, 1);
-	if (ipconfig_clone == NULL)
+	DBG("index %d", index);
+
+	ipconfig = g_try_new0(struct connman_ipconfig, 1);
+	if (ipconfig == NULL)
 		return NULL;
 
-	ipconfig_clone->refcount = 1;
+	ipconfig->refcount = 1;
 
-	ipconfig_clone->origin = connman_ipconfig_ref(ipconfig);
+	ipconfig->index = index;
+	ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
+
+	ipconfig->address = connman_ipaddress_alloc(AF_INET);
+	if (ipconfig->address == NULL) {
+		g_free(ipconfig);
+		return NULL;
+	}
 
-	ipconfig_clone->index = -1;
+	ipconfig->system = connman_ipaddress_alloc(AF_INET);
+
+	DBG("ipconfig %p", ipconfig);
 
-	return ipconfig_clone;
+	return ipconfig;
 }
 
+
 /**
  * connman_ipconfig_ref:
  * @ipconfig: ipconfig structure
@@ -924,20 +1325,11 @@ struct connman_ipconfig *connman_ipconfig_clone(struct connman_ipconfig *ipconfi
  */
 struct connman_ipconfig *connman_ipconfig_ref(struct connman_ipconfig *ipconfig)
 {
-	g_atomic_int_inc(&ipconfig->refcount);
+	DBG("ipconfig %p refcount %d", ipconfig, ipconfig->refcount + 1);
 
-	return ipconfig;
-}
+	__sync_fetch_and_add(&ipconfig->refcount, 1);
 
-static void  free_ipv6config(struct connman_ipconfig *ipconfig)
-{
-	if (ipconfig == NULL)
-		return;
-
-	connman_ipconfig_set_ops(ipconfig, NULL);
-	connman_ipaddress_free(ipconfig->system);
-	connman_ipaddress_free(ipconfig->address);
-	g_free(ipconfig->ipv6);
+	return ipconfig;
 }
 
 /**
@@ -948,21 +1340,28 @@ static void  free_ipv6config(struct connman_ipconfig *ipconfig)
  */
 void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
 {
-	if (g_atomic_int_dec_and_test(&ipconfig->refcount) == TRUE) {
-		__connman_ipconfig_disable(ipconfig);
+	if (ipconfig == NULL)
+		return;
 
-		connman_ipconfig_set_ops(ipconfig, NULL);
+	DBG("ipconfig %p refcount %d", ipconfig, ipconfig->refcount - 1);
 
-		if (ipconfig->origin != NULL) {
-			connman_ipconfig_unref(ipconfig->origin);
-			ipconfig->origin = NULL;
-		}
+	if (__sync_fetch_and_sub(&ipconfig->refcount, 1) != 1)
+		return;
 
-		connman_ipaddress_free(ipconfig->system);
-		connman_ipaddress_free(ipconfig->address);
-		free_ipv6config(ipconfig->ipv6);
-		g_free(ipconfig);
+	if (__connman_ipconfig_disable(ipconfig) < 0)
+		ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
+
+	connman_ipconfig_set_ops(ipconfig, NULL);
+
+	if (ipconfig->origin != NULL) {
+		connman_ipconfig_unref(ipconfig->origin);
+		ipconfig->origin = NULL;
 	}
+
+	connman_ipaddress_free(ipconfig->system);
+	connman_ipaddress_free(ipconfig->address);
+	g_free(ipconfig->last_dhcp_address);
+	g_free(ipconfig);
 }
 
 /**
@@ -973,6 +1372,9 @@ void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
  */
 void *connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
 {
+	if (ipconfig == NULL)
+		return NULL;
+
 	return ipconfig->ops_data;
 }
 
@@ -1042,15 +1444,6 @@ void connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
 	ipconfig->ops = ops;
 }
 
-struct connman_ipconfig *connman_ipconfig_get_ipv6config(
-				struct connman_ipconfig *ipconfig)
-{
-	if (ipconfig == NULL)
-		return NULL;
-
-	return ipconfig->ipv6;
-}
-
 /**
  * connman_ipconfig_set_method:
  * @ipconfig: ipconfig structure
@@ -1074,66 +1467,17 @@ enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconf
 	return ipconfig->method;
 }
 
-/**
- * connman_ipconfig_bind:
- * @ipconfig: ipconfig structure
- * @ipaddress: ipaddress structure
- *
- * Bind IP address details to configuration
- */
-void connman_ipconfig_bind(struct connman_ipconfig *ipconfig,
-					struct connman_ipaddress *ipaddress)
-{
-	struct connman_ipconfig *origin;
-
-	origin = ipconfig->origin ? ipconfig->origin : ipconfig;
-
-	connman_ipaddress_copy(origin->address, ipaddress);
-
-	connman_inet_set_address(origin->index, origin->address);
-}
-
-void __connman_ipconfig_set_element_ipv6_gateway(
-			struct connman_ipconfig *ipconfig,
-				struct connman_element *element)
-{
-	element->ipv6.gateway = ipconfig->ipv6->address->gateway;
-}
-
-/*
- * FIXME: The element soulution should be removed in the future
- * Set IPv4 and IPv6 gateway
- */
-int __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig,
-						struct connman_element *parent)
-{
-	struct connman_element *connection;
-
-	connection = connman_element_create(NULL);
-
-	DBG("ipconfig %p", ipconfig);
-
-	connection->type  = CONNMAN_ELEMENT_TYPE_CONNECTION;
-	connection->index = ipconfig->index;
-	connection->ipv4.gateway = ipconfig->address->gateway;
-	connection->ipv6.gateway = ipconfig->ipv6->address->gateway;
-
-	if (connman_element_register(connection, parent) < 0)
-		connman_element_unref(connection);
-
-	return 0;
-}
-
-int __connman_ipconfig_set_address(struct connman_ipconfig *ipconfig)
+int __connman_ipconfig_address_add(struct connman_ipconfig *ipconfig)
 {
 	DBG("");
 
 	switch (ipconfig->method) {
 	case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 	case CONNMAN_IPCONFIG_METHOD_OFF:
+	case CONNMAN_IPCONFIG_METHOD_AUTO:
+		break;
 	case CONNMAN_IPCONFIG_METHOD_FIXED:
 	case CONNMAN_IPCONFIG_METHOD_DHCP:
-		break;
 	case CONNMAN_IPCONFIG_METHOD_MANUAL:
 		if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
 			return connman_inet_set_address(ipconfig->index,
@@ -1146,8 +1490,10 @@ int __connman_ipconfig_set_address(struct connman_ipconfig *ipconfig)
 	return 0;
 }
 
-int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
+int __connman_ipconfig_address_remove(struct connman_ipconfig *ipconfig)
 {
+	int err;
+
 	DBG("");
 
 	if (ipconfig == NULL)
@@ -1158,27 +1504,166 @@ int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
 	switch (ipconfig->method) {
 	case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 	case CONNMAN_IPCONFIG_METHOD_OFF:
+	case CONNMAN_IPCONFIG_METHOD_AUTO:
+		break;
 	case CONNMAN_IPCONFIG_METHOD_FIXED:
 	case CONNMAN_IPCONFIG_METHOD_DHCP:
+	case CONNMAN_IPCONFIG_METHOD_MANUAL:
+		err = __connman_ipconfig_address_unset(ipconfig);
+		connman_ipaddress_clear(ipconfig->address);
+
+		return err;
+	}
+
+	return 0;
+}
+
+int __connman_ipconfig_address_unset(struct connman_ipconfig *ipconfig)
+{
+	int err;
+
+	DBG("");
+
+	if (ipconfig == NULL)
+		return 0;
+
+	DBG("method %d", ipconfig->method);
+
+	switch (ipconfig->method) {
+	case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
+	case CONNMAN_IPCONFIG_METHOD_OFF:
+	case CONNMAN_IPCONFIG_METHOD_AUTO:
 		break;
+	case CONNMAN_IPCONFIG_METHOD_FIXED:
+	case CONNMAN_IPCONFIG_METHOD_DHCP:
 	case CONNMAN_IPCONFIG_METHOD_MANUAL:
 		if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
-			return connman_inet_clear_address(ipconfig->index);
+			err = connman_inet_clear_address(ipconfig->index,
+							ipconfig->address);
 		else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
-			return connman_inet_clear_ipv6_address(
+			err = connman_inet_clear_ipv6_address(
 						ipconfig->index,
 						ipconfig->address->local,
 						ipconfig->address->prefixlen);
+		else
+			err = -EINVAL;
+
+		return err;
 	}
 
 	return 0;
 }
 
+int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
+                                                        const char *url)
+{
+	struct connman_ipdevice *ipdevice;
+
+	DBG("ipconfig %p", ipconfig);
+
+	if (ipconfig == NULL || ipconfig->index < 0)
+		return -ENODEV;
+
+	ipdevice = g_hash_table_lookup(ipdevice_hash,
+					GINT_TO_POINTER(ipconfig->index));
+	if (ipdevice == NULL)
+		return -ENXIO;
+
+	g_free(ipdevice->pac);
+	ipdevice->pac = g_strdup(url);
+
+	return 0;
+}
+
+const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig)
+{
+	struct connman_ipdevice *ipdevice;
+
+	DBG("ipconfig %p", ipconfig);
+
+	if (ipconfig == NULL || ipconfig->index < 0)
+		return NULL;
+
+	ipdevice = g_hash_table_lookup(ipdevice_hash,
+					GINT_TO_POINTER(ipconfig->index));
+	if (ipdevice == NULL)
+		return NULL;
+
+	return ipdevice->pac;
+}
+
+void __connman_ipconfig_set_dhcp_address(struct connman_ipconfig *ipconfig,
+					const char *address)
+{
+	if (ipconfig == NULL)
+		return;
+
+	g_free(ipconfig->last_dhcp_address);
+	ipconfig->last_dhcp_address = g_strdup(address);
+}
+
+char *__connman_ipconfig_get_dhcp_address(struct connman_ipconfig *ipconfig)
+{
+	if (ipconfig == NULL)
+		return NULL;
+
+	return ipconfig->last_dhcp_address;
+}
+
+static void disable_ipv6(struct connman_ipconfig *ipconfig)
+{
+	struct connman_ipdevice *ipdevice;
+
+	DBG("");
+
+	ipdevice = g_hash_table_lookup(ipdevice_hash,
+					GINT_TO_POINTER(ipconfig->index));
+	if (ipdevice == NULL)
+		return;
+
+	set_ipv6_state(ipdevice->ifname, FALSE);
+}
+
+static void enable_ipv6(struct connman_ipconfig *ipconfig)
+{
+	struct connman_ipdevice *ipdevice;
+
+	DBG("");
+
+	ipdevice = g_hash_table_lookup(ipdevice_hash,
+					GINT_TO_POINTER(ipconfig->index));
+	if (ipdevice == NULL)
+		return;
+
+	if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO)
+		set_ipv6_privacy(ipdevice->ifname,
+				ipconfig->ipv6_privacy_config);
+
+	set_ipv6_state(ipdevice->ifname, TRUE);
+}
+
+void __connman_ipconfig_enable_ipv6(struct connman_ipconfig *ipconfig)
+{
+	if (ipconfig == NULL || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
+		return;
+
+	enable_ipv6(ipconfig);
+}
+
+void __connman_ipconfig_disable_ipv6(struct connman_ipconfig *ipconfig)
+{
+	if (ipconfig == NULL || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
+		return;
+
+	disable_ipv6(ipconfig);
+}
+
 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
 {
 	struct connman_ipdevice *ipdevice;
 	gboolean up = FALSE, down = FALSE;
 	gboolean lower_up = FALSE, lower_down = FALSE;
+	enum connman_ipconfig_type type;
 
 	DBG("ipconfig %p", ipconfig);
 
@@ -1190,18 +1675,42 @@ int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
 	if (ipdevice == NULL)
 		return -ENXIO;
 
-	if (ipdevice->config == ipconfig)
-		return -EALREADY;
+	if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
+		if (ipdevice->config_ipv4 == ipconfig)
+			return -EALREADY;
+		type = CONNMAN_IPCONFIG_TYPE_IPV4;
+	} else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
+		if (ipdevice->config_ipv6 == ipconfig)
+			return -EALREADY;
+		type = CONNMAN_IPCONFIG_TYPE_IPV6;
+		enable_ipv6(ipconfig);
+	} else
+		return -EINVAL;
+
+	if (type == CONNMAN_IPCONFIG_TYPE_IPV4 &&
+					ipdevice->config_ipv4 != NULL) {
+		ipconfig_list = g_list_remove(ipconfig_list,
+							ipdevice->config_ipv4);
 
-	if (ipdevice->config != NULL) {
-		ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
+		connman_ipaddress_clear(ipdevice->config_ipv4->system);
+
+		connman_ipconfig_unref(ipdevice->config_ipv4);
+	}
+
+	if (type == CONNMAN_IPCONFIG_TYPE_IPV6 &&
+					ipdevice->config_ipv6 != NULL) {
+		ipconfig_list = g_list_remove(ipconfig_list,
+							ipdevice->config_ipv6);
 
-		connman_ipaddress_clear(ipdevice->config->system);
+		connman_ipaddress_clear(ipdevice->config_ipv6->system);
 
-		connman_ipconfig_unref(ipdevice->config);
+		connman_ipconfig_unref(ipdevice->config_ipv6);
 	}
 
-	ipdevice->config = connman_ipconfig_ref(ipconfig);
+	if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
+		ipdevice->config_ipv4 = connman_ipconfig_ref(ipconfig);
+	else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
+		ipdevice->config_ipv6 = connman_ipconfig_ref(ipconfig);
 
 	ipconfig_list = g_list_append(ipconfig_list, ipconfig);
 
@@ -1243,18 +1752,32 @@ int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
 	if (ipdevice == NULL)
 		return -ENXIO;
 
-	if (ipdevice->config == NULL || ipdevice->config != ipconfig)
+	if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
 		return -EINVAL;
 
-	ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
+	if (ipdevice->config_ipv4 == ipconfig) {
+		ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
 
-	connman_ipaddress_clear(ipdevice->config->system);
-	connman_ipaddress_clear(ipdevice->config->ipv6->system);
+		connman_ipaddress_clear(ipdevice->config_ipv4->system);
+		connman_ipconfig_unref(ipdevice->config_ipv4);
+		ipdevice->config_ipv4 = NULL;
+		return 0;
+	}
 
-	connman_ipconfig_unref(ipdevice->config);
-	ipdevice->config = NULL;
+	if (ipdevice->config_ipv6 == ipconfig) {
+		ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
 
-	return 0;
+		if (ipdevice->config_ipv6->method ==
+						CONNMAN_IPCONFIG_METHOD_AUTO)
+			disable_ipv6(ipdevice->config_ipv6);
+
+		connman_ipaddress_clear(ipdevice->config_ipv6->system);
+		connman_ipconfig_unref(ipdevice->config_ipv6);
+		ipdevice->config_ipv6 = NULL;
+		return 0;
+	}
+
+	return -EINVAL;
 }
 
 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
@@ -1270,6 +1793,8 @@ const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method
 		return "manual";
 	case CONNMAN_IPCONFIG_METHOD_DHCP:
 		return "dhcp";
+	case CONNMAN_IPCONFIG_METHOD_AUTO:
+		return "auto";
 	}
 
 	return NULL;
@@ -1285,10 +1810,36 @@ enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method
 		return CONNMAN_IPCONFIG_METHOD_MANUAL;
 	else if (g_strcmp0(method, "dhcp") == 0)
 		return CONNMAN_IPCONFIG_METHOD_DHCP;
+	else if (g_strcmp0(method, "auto") == 0)
+		return CONNMAN_IPCONFIG_METHOD_AUTO;
 	else
 		return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
 }
 
+static const char *privacy2string(int privacy)
+{
+	if (privacy <= 0)
+		return "disabled";
+	else if (privacy == 1)
+		return "enabled";
+	else if (privacy > 1)
+		return "prefered";
+
+	return "disabled";
+}
+
+static int string2privacy(const char *privacy)
+{
+	if (g_strcmp0(privacy, "disabled") == 0)
+		return 0;
+	else if (g_strcmp0(privacy, "enabled") == 0)
+		return 1;
+	else if (g_strcmp0(privacy, "prefered") == 0)
+		return 2;
+	else
+		return 0;
+}
+
 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
 							DBusMessageIter *iter)
 {
@@ -1296,6 +1847,9 @@ void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
 
 	DBG("");
 
+	if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
+		return;
+
 	str = __connman_ipconfig_method2string(ipconfig->method);
 	if (str == NULL)
 		return;
@@ -1326,16 +1880,26 @@ void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
 }
 
 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
-							DBusMessageIter *iter)
+					DBusMessageIter *iter,
+					struct connman_ipconfig *ipconfig_ipv4)
 {
-	const char *str;
+	const char *str, *privacy;
 
 	DBG("");
 
+	if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
+		return;
+
 	str = __connman_ipconfig_method2string(ipconfig->method);
 	if (str == NULL)
 		return;
 
+	if (ipconfig_ipv4 != NULL &&
+			ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO) {
+		if (__connman_6to4_check(ipconfig_ipv4) == 1)
+			str = "6to4";
+	}
+
 	connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
 
 	if (ipconfig->system == NULL)
@@ -1352,12 +1916,16 @@ void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
 	if (ipconfig->system->gateway != NULL)
 		connman_dbus_dict_append_basic(iter, "Gateway",
 				DBUS_TYPE_STRING, &ipconfig->system->gateway);
+
+	privacy = privacy2string(ipconfig->ipv6_privacy_config);
+	connman_dbus_dict_append_basic(iter, "Privacy",
+				DBUS_TYPE_STRING, &privacy);
 }
 
 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
 							DBusMessageIter *iter)
 {
-	const char *str;
+	const char *str, *privacy;
 
 	DBG("");
 
@@ -1374,6 +1942,7 @@ void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
 		return;
 	case CONNMAN_IPCONFIG_METHOD_FIXED:
 	case CONNMAN_IPCONFIG_METHOD_MANUAL:
+	case CONNMAN_IPCONFIG_METHOD_AUTO:
 		break;
 	}
 
@@ -1391,6 +1960,10 @@ void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
 	if (ipconfig->address->gateway != NULL)
 		connman_dbus_dict_append_basic(iter, "Gateway",
 				DBUS_TYPE_STRING, &ipconfig->address->gateway);
+
+	privacy = privacy2string(ipconfig->ipv6_privacy_config);
+	connman_dbus_dict_append_basic(iter, "Privacy",
+				DBUS_TYPE_STRING, &privacy);
 }
 
 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
@@ -1409,9 +1982,10 @@ void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
 	switch (ipconfig->method) {
 	case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 	case CONNMAN_IPCONFIG_METHOD_OFF:
-	case CONNMAN_IPCONFIG_METHOD_FIXED:
 	case CONNMAN_IPCONFIG_METHOD_DHCP:
+	case CONNMAN_IPCONFIG_METHOD_AUTO:
 		return;
+	case CONNMAN_IPCONFIG_METHOD_FIXED:
 	case CONNMAN_IPCONFIG_METHOD_MANUAL:
 		break;
 	}
@@ -1440,19 +2014,15 @@ void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
 }
 
 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
-		enum connman_ipconfig_type type, DBusMessageIter *array)
+							DBusMessageIter *array)
 {
 	enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
 	const char *address = NULL, *netmask = NULL, *gateway = NULL,
-			*prefix_length_string = NULL;
-	int prefix_length = 0;
+		*prefix_length_string = NULL, *privacy_string = NULL;
+	int prefix_length = 0, privacy = 0;
 	DBusMessageIter dict;
 
-	DBG("ipconfig %p type %d", ipconfig, type);
-
-	if (type != CONNMAN_IPCONFIG_TYPE_IPV4 &&
-			type != CONNMAN_IPCONFIG_TYPE_IPV6)
-		return -EINVAL;
+	DBG("ipconfig %p", ipconfig);
 
 	if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
 		return -EINVAL;
@@ -1508,37 +2078,60 @@ int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
 				return -EINVAL;
 
 			dbus_message_iter_get_basic(&entry, &gateway);
+		} else if (g_str_equal(key, "Privacy") == TRUE) {
+			if (type != DBUS_TYPE_STRING)
+				return -EINVAL;
+
+			dbus_message_iter_get_basic(&entry, &privacy_string);
+			privacy = string2privacy(privacy_string);
 		}
 		dbus_message_iter_next(&dict);
 	}
 
-	DBG("method %d address %s netmask %s gateway %s prefix_length %d",
-			method, address, netmask, gateway, prefix_length);
+	DBG("method %d address %s netmask %s gateway %s prefix_length %d "
+		"privacy %s",
+		method, address, netmask, gateway, prefix_length,
+		privacy_string);
 
 	switch (method) {
 	case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
-	case CONNMAN_IPCONFIG_METHOD_OFF:
 	case CONNMAN_IPCONFIG_METHOD_FIXED:
 		return -EINVAL;
 
+	case CONNMAN_IPCONFIG_METHOD_OFF:
+		ipconfig->method = method;
+		if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
+			disable_ipv6(ipconfig);
+		break;
+
+	case CONNMAN_IPCONFIG_METHOD_AUTO:
+		if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
+			return -EINVAL;
+
+		ipconfig->method = method;
+		if (privacy_string != NULL)
+			ipconfig->ipv6_privacy_config = privacy;
+		enable_ipv6(ipconfig);
+		break;
+
 	case CONNMAN_IPCONFIG_METHOD_MANUAL:
 		if (address == NULL)
 			return -EINVAL;
 
 		ipconfig->method = method;
 
-		if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
+		if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
 			connman_ipaddress_set_ipv4(ipconfig->address,
 						address, netmask, gateway);
 		else
 			return connman_ipaddress_set_ipv6(
 					ipconfig->address, address,
-						gateway, prefix_length);
+						prefix_length, gateway);
 		break;
 
 	case CONNMAN_IPCONFIG_METHOD_DHCP:
-		if (ipconfig->method == method)
-			return 0;
+		if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
+			return -EOPNOTSUPP;
 
 		ipconfig->method = method;
 		break;
@@ -1547,15 +2140,6 @@ int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
 	return 0;
 }
 
-void __connman_ipconfig_append_proxy(struct connman_ipconfig *ipconfig,
-							DBusMessageIter *iter)
-{
-	const char *method = "direct";
-
-	connman_dbus_dict_append_basic(iter, "Method",
-						DBUS_TYPE_STRING, &method);
-}
-
 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
 							DBusMessageIter *iter)
 {
@@ -1586,17 +2170,42 @@ void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
 		GKeyFile *keyfile, const char *identifier, const char *prefix)
 {
-	const char *method;
+	char *method;
 	char *key;
+	char *str;
 
 	DBG("ipconfig %p identifier %s", ipconfig, identifier);
 
 	key = g_strdup_printf("%smethod", prefix);
 	method = g_key_file_get_string(keyfile, identifier, key, NULL);
-	if (method == NULL)
-		ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
-	else
+	if (method == NULL) {
+		if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
+			ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
+		else
+			ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
+	} else
 		ipconfig->method = __connman_ipconfig_string2method(method);
+
+	if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_UNKNOWN)
+		ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
+
+	if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
+		if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO ||
+			ipconfig->method == CONNMAN_IPCONFIG_METHOD_MANUAL) {
+			char *privacy;
+			char *pprefix = g_strdup_printf("%sprivacy", prefix);
+			privacy = g_key_file_get_string(keyfile, identifier,
+							pprefix, NULL);
+			ipconfig->ipv6_privacy_config = string2privacy(privacy);
+			g_free(pprefix);
+			g_free(privacy);
+
+			__connman_ipconfig_enable(ipconfig);
+			enable_ipv6(ipconfig);
+		}
+	}
+
+	g_free(method);
 	g_free(key);
 
 	key = g_strdup_printf("%snetmask_prefixlen", prefix);
@@ -1624,6 +2233,14 @@ int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
 				keyfile, identifier, key, NULL);
 	g_free(key);
 
+	key = g_strdup_printf("%sDHCP.LastAddress", prefix);
+	str = g_key_file_get_string(keyfile, identifier, key, NULL);
+	if (str != NULL) {
+		g_free(ipconfig->last_dhcp_address);
+		ipconfig->last_dhcp_address = str;
+	}
+	g_free(key);
+
 	return 0;
 }
 
@@ -1641,6 +2258,34 @@ int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
 	g_key_file_set_string(keyfile, identifier, key, method);
 	g_free(key);
 
+	if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
+		const char *privacy;
+		privacy = privacy2string(ipconfig->ipv6_privacy_config);
+		key = g_strdup_printf("%sprivacy", prefix);
+		g_key_file_set_string(keyfile, identifier, key, privacy);
+		g_free(key);
+	}
+
+	switch (ipconfig->method) {
+	case CONNMAN_IPCONFIG_METHOD_FIXED:
+	case CONNMAN_IPCONFIG_METHOD_MANUAL:
+		break;
+	case CONNMAN_IPCONFIG_METHOD_DHCP:
+		key = g_strdup_printf("%sDHCP.LastAddress", prefix);
+		if (ipconfig->last_dhcp_address != NULL &&
+				strlen(ipconfig->last_dhcp_address) > 0)
+			g_key_file_set_string(keyfile, identifier, key,
+					ipconfig->last_dhcp_address);
+		else
+			g_key_file_remove_key(keyfile, identifier, key, NULL);
+		g_free(key);
+		/* fall through */
+	case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
+	case CONNMAN_IPCONFIG_METHOD_OFF:
+	case CONNMAN_IPCONFIG_METHOD_AUTO:
+		return 0;
+	}
+
 	key = g_strdup_printf("%snetmask_prefixlen", prefix);
 	g_key_file_set_integer(keyfile, identifier,
 			key, ipconfig->address->prefixlen);