---
 src/connection.c |    6 +-
 src/connman.h    |    3 +-
 src/location.c   |    3 +-
 src/network.c    |   24 +++--
 src/provider.c   |   27 +++--
 src/service.c    |  335 +++++++++++++++++++++++++++++++++++++++++++----------
 6 files changed, 313 insertions(+), 85 deletions(-)

diff --git a/src/connection.c b/src/connection.c
index 789a242..844c279 100644
--- a/src/connection.c
+++ b/src/connection.c
@@ -332,7 +332,8 @@ static int connection_probe(struct connman_element *element)
                                                new_gateway->ipv4_gateway);
        __connman_service_set_domainname(service, domainname);
 
-       __connman_service_indicate_state(service, CONNMAN_SERVICE_STATE_READY);
+       __connman_service_indicate_state(service, CONNMAN_SERVICE_STATE_READY,
+                                               CONNMAN_SERVICE_STATE_UNKNOWN);
 
        if (service == NULL) {
                new_gateway->vpn = TRUE;
@@ -376,7 +377,8 @@ static void connection_remove(struct connman_element 
*element)
        service = __connman_element_get_service(element);
        __connman_service_nameserver_del_routes(service);
        __connman_service_indicate_state(service,
-                                       CONNMAN_SERVICE_STATE_DISCONNECT);
+                                       CONNMAN_SERVICE_STATE_DISCONNECT,
+                                       CONNMAN_SERVICE_STATE_UNKNOWN);
 
        connman_element_set_enabled(element, FALSE);
 
diff --git a/src/connman.h b/src/connman.h
index 12566aa..45f600f 100644
--- a/src/connman.h
+++ b/src/connman.h
@@ -484,7 +484,8 @@ int __connman_service_set_immutable(struct connman_service 
*service,
 void __connman_service_set_string(struct connman_service *service,
                                        const char *key, const char *value);
 int __connman_service_indicate_state(struct connman_service *service,
-                                       enum connman_service_state state);
+                                       enum connman_service_state state_ipv4,
+                                       enum connman_service_state state_ipv6);
 int __connman_service_indicate_error(struct connman_service *service,
                                        enum connman_service_error error);
 int __connman_service_indicate_default(struct connman_service *service);
diff --git a/src/location.c b/src/location.c
index e7bfdc0..46928b5 100644
--- a/src/location.c
+++ b/src/location.c
@@ -186,7 +186,8 @@ void connman_location_report_result(struct connman_location 
*location,
                break;
        case CONNMAN_LOCATION_RESULT_ONLINE:
                __connman_service_indicate_state(location->service,
-                                               CONNMAN_SERVICE_STATE_ONLINE);
+                                               CONNMAN_SERVICE_STATE_ONLINE,
+                                               CONNMAN_SERVICE_STATE_UNKNOWN);
                break;
        }
 }
diff --git a/src/network.c b/src/network.c
index 612e923..05ee0c1 100644
--- a/src/network.c
+++ b/src/network.c
@@ -497,7 +497,8 @@ int connman_network_set_associating(struct connman_network 
*network,
 
                service = __connman_service_lookup_from_network(network);
                __connman_service_indicate_state(service,
-                                       CONNMAN_SERVICE_STATE_ASSOCIATION);
+                                       CONNMAN_SERVICE_STATE_ASSOCIATION,
+                                       CONNMAN_SERVICE_STATE_UNKNOWN);
        }
 
        return 0;
@@ -515,7 +516,8 @@ static void set_associate_error(struct connman_network 
*network)
        service = __connman_service_lookup_from_network(network);
 
        __connman_service_indicate_state(service,
-                                       CONNMAN_SERVICE_STATE_FAILURE);
+                                       CONNMAN_SERVICE_STATE_FAILURE,
+                                       CONNMAN_SERVICE_STATE_UNKNOWN);
 }
 
 static void set_configure_error(struct connman_network *network)
@@ -527,7 +529,8 @@ static void set_configure_error(struct connman_network 
*network)
        service = __connman_service_lookup_from_network(network);
 
        __connman_service_indicate_state(service,
-                                       CONNMAN_SERVICE_STATE_FAILURE);
+                                       CONNMAN_SERVICE_STATE_FAILURE,
+                                       CONNMAN_SERVICE_STATE_UNKNOWN);
 }
 
 void connman_network_set_ipv4_method(struct connman_network *network,
@@ -601,7 +604,8 @@ static void set_configuration(struct connman_network 
*network)
 
        service = __connman_service_lookup_from_network(network);
        __connman_service_indicate_state(service,
-                                       CONNMAN_SERVICE_STATE_CONFIGURATION);
+                                       CONNMAN_SERVICE_STATE_CONFIGURATION,
+                                       CONNMAN_SERVICE_STATE_UNKNOWN);
 }
 
 static int set_connected_fixed(struct connman_network *network)
@@ -677,7 +681,8 @@ static void set_connected_manual(struct connman_network 
*network)
 
        connman_network_set_associating(network, FALSE);
 
-       __connman_service_indicate_state(service, CONNMAN_SERVICE_STATE_READY);
+       __connman_service_indicate_state(service, CONNMAN_SERVICE_STATE_READY,
+                                       CONNMAN_SERVICE_STATE_UNKNOWN);
 }
 
 static int set_connected_dhcp(struct connman_network *network)
@@ -806,7 +811,8 @@ static gboolean set_connected(gpointer user_data)
                service = __connman_service_lookup_from_network(network);
 
                __connman_service_indicate_state(service,
-                                               CONNMAN_SERVICE_STATE_IDLE);
+                                               CONNMAN_SERVICE_STATE_IDLE,
+                                               CONNMAN_SERVICE_STATE_UNKNOWN);
        }
 
        network->connecting = FALSE;
@@ -1007,7 +1013,8 @@ static int manual_ipv4_set(struct connman_network 
*network,
 
        __connman_ipconfig_set_gateway(ipconfig, &network->element);
 
-       __connman_service_indicate_state(service, CONNMAN_SERVICE_STATE_READY);
+       __connman_service_indicate_state(service, CONNMAN_SERVICE_STATE_READY,
+                                       CONNMAN_SERVICE_STATE_UNKNOWN);
 
        return 0;
 }
@@ -1041,7 +1048,8 @@ int __connman_network_clear_ipconfig(struct 
connman_network *network,
        }
 
        __connman_service_indicate_state(service,
-                                       CONNMAN_SERVICE_STATE_CONFIGURATION);
+                                       CONNMAN_SERVICE_STATE_CONFIGURATION,
+                                       CONNMAN_SERVICE_STATE_UNKNOWN);
 
        return 0;
 }
diff --git a/src/provider.c b/src/provider.c
index 53b3ddd..6d42426 100644
--- a/src/provider.c
+++ b/src/provider.c
@@ -177,7 +177,8 @@ int __connman_provider_disconnect(struct connman_provider 
*provider)
 
        if (provider->vpn_service != NULL)
                __connman_service_indicate_state(provider->vpn_service,
-                                       CONNMAN_SERVICE_STATE_DISCONNECT);
+                                       CONNMAN_SERVICE_STATE_DISCONNECT,
+                                       CONNMAN_SERVICE_STATE_UNKNOWN);
        if (err < 0) {
                if (err != -EINPROGRESS)
                        return err;
@@ -218,7 +219,8 @@ int __connman_provider_connect(struct connman_provider 
*provider)
                        return err;
 
                __connman_service_indicate_state(provider->vpn_service,
-                                       CONNMAN_SERVICE_STATE_ASSOCIATION);
+                                       CONNMAN_SERVICE_STATE_ASSOCIATION,
+                                       CONNMAN_SERVICE_STATE_UNKNOWN);
                return -EINPROGRESS;
        }
 
@@ -272,7 +274,8 @@ static int set_connected(struct connman_provider *provider,
                int err;
 
                __connman_service_indicate_state(provider->vpn_service,
-                                       CONNMAN_SERVICE_STATE_CONFIGURATION);
+                                       CONNMAN_SERVICE_STATE_CONFIGURATION,
+                                       CONNMAN_SERVICE_STATE_UNKNOWN);
 
                type = CONNMAN_ELEMENT_TYPE_IPV4;
 
@@ -288,13 +291,15 @@ static int set_connected(struct connman_provider 
*provider,
                        connman_element_unref(element);
 
                        __connman_service_indicate_state(service,
-                                               CONNMAN_SERVICE_STATE_FAILURE);
+                                               CONNMAN_SERVICE_STATE_FAILURE,
+                                               CONNMAN_SERVICE_STATE_UNKNOWN);
 
                        return err;
                }
 
                __connman_service_indicate_state(service,
-                                               CONNMAN_SERVICE_STATE_READY);
+                                               CONNMAN_SERVICE_STATE_READY,
+                                               CONNMAN_SERVICE_STATE_UNKNOWN);
 
                __connman_service_set_domainname(service, provider->domain);
 
@@ -332,7 +337,8 @@ static int set_connected(struct connman_provider *provider,
        } else {
                connman_element_unregister_children(&provider->element);
                __connman_service_indicate_state(service,
-                                               CONNMAN_SERVICE_STATE_IDLE);
+                                               CONNMAN_SERVICE_STATE_IDLE,
+                                               CONNMAN_SERVICE_STATE_UNKNOWN);
        }
 
        return 0;
@@ -351,15 +357,18 @@ int connman_provider_set_state(struct connman_provider 
*provider,
                return set_connected(provider, FALSE);
        case CONNMAN_PROVIDER_STATE_CONNECT:
                return __connman_service_indicate_state(provider->vpn_service,
-                                       CONNMAN_SERVICE_STATE_ASSOCIATION);
+                                       CONNMAN_SERVICE_STATE_ASSOCIATION,
+                                       CONNMAN_SERVICE_STATE_UNKNOWN);
        case CONNMAN_PROVIDER_STATE_READY:
                return set_connected(provider, TRUE);
        case CONNMAN_PROVIDER_STATE_DISCONNECT:
                return __connman_service_indicate_state(provider->vpn_service,
-                                       CONNMAN_SERVICE_STATE_DISCONNECT);
+                                       CONNMAN_SERVICE_STATE_DISCONNECT,
+                                       CONNMAN_SERVICE_STATE_UNKNOWN);
        case CONNMAN_PROVIDER_STATE_FAILURE:
                return __connman_service_indicate_state(provider->vpn_service,
-                                       CONNMAN_SERVICE_STATE_FAILURE);
+                                       CONNMAN_SERVICE_STATE_FAILURE,
+                                       CONNMAN_SERVICE_STATE_UNKNOWN);
        }
 
        return -EINVAL;
diff --git a/src/service.c b/src/service.c
index 0ea1223..98f824b 100644
--- a/src/service.c
+++ b/src/service.c
@@ -58,7 +58,8 @@ struct connman_service {
        enum connman_service_type type;
        enum connman_service_mode mode;
        enum connman_service_security security;
-       enum connman_service_state state;
+       enum connman_service_state state_ipv4;
+       enum connman_service_state state_ipv6;
        enum connman_service_error error;
        connman_uint8_t strength;
        connman_bool_t favorite;
@@ -303,9 +304,126 @@ static enum connman_service_proxy_method 
string2proxymethod(const char *method)
                return CONNMAN_SERVICE_PROXY_METHOD_UNKNOWN;
 }
 
-static connman_bool_t is_connecting(struct connman_service *service)
+static enum connman_service_state combine_state(
+                                       enum connman_service_state state_a,
+                                       enum connman_service_state state_b)
 {
-       switch (service->state) {
+       enum connman_service_state result;
+
+       if (state_a == state_b) {
+               result = state_a;
+               goto done;
+       }
+
+       if (state_a == CONNMAN_SERVICE_STATE_UNKNOWN) {
+               result = state_b;
+               goto done;
+       }
+
+       if (state_b == CONNMAN_SERVICE_STATE_UNKNOWN) {
+               result = state_a;
+               goto done;
+       }
+
+       if (state_a == CONNMAN_SERVICE_STATE_IDLE) {
+               result = state_b;
+               goto done;
+       }
+
+       if (state_b == CONNMAN_SERVICE_STATE_IDLE) {
+               result = state_a;
+               goto done;
+       }
+
+       if (state_a == CONNMAN_SERVICE_STATE_ASSOCIATION) {
+               if (state_b == CONNMAN_SERVICE_STATE_CONFIGURATION ||
+                               state_b == CONNMAN_SERVICE_STATE_ONLINE ||
+                               state_b == CONNMAN_SERVICE_STATE_READY)
+                       result = state_b;
+               else
+                       result = state_a;
+               goto done;
+       }
+
+       if (state_b == CONNMAN_SERVICE_STATE_ASSOCIATION) {
+               if (state_a == CONNMAN_SERVICE_STATE_CONFIGURATION ||
+                               state_a == CONNMAN_SERVICE_STATE_ONLINE ||
+                               state_a == CONNMAN_SERVICE_STATE_READY)
+                       result = state_a;
+               else
+                       result = state_b;
+               goto done;
+       }
+
+       if (state_a == CONNMAN_SERVICE_STATE_CONFIGURATION) {
+               if (state_b == CONNMAN_SERVICE_STATE_ONLINE ||
+                               state_b == CONNMAN_SERVICE_STATE_READY)
+                       result = state_b;
+               else
+                       result = state_a;
+               goto done;
+       }
+
+       if (state_b == CONNMAN_SERVICE_STATE_CONFIGURATION) {
+               if (state_a == CONNMAN_SERVICE_STATE_ONLINE ||
+                               state_a == CONNMAN_SERVICE_STATE_READY)
+                       result = state_a;
+               else
+                       result = state_b;
+               goto done;
+       }
+
+       if (state_a == CONNMAN_SERVICE_STATE_READY) {
+               if (state_b == CONNMAN_SERVICE_STATE_ONLINE)
+                       result = state_b;
+               else
+                       result = state_a;
+               goto done;
+       }
+
+       if (state_b == CONNMAN_SERVICE_STATE_READY) {
+               if (state_a == CONNMAN_SERVICE_STATE_ONLINE)
+                       result = state_a;
+               else
+                       result = state_b;
+               goto done;
+       }
+
+       if (state_a == CONNMAN_SERVICE_STATE_ONLINE) {
+               result = state_a;
+               goto done;
+       }
+
+       if (state_b == CONNMAN_SERVICE_STATE_ONLINE) {
+               result = state_b;
+               goto done;
+       }
+
+       if (state_a == CONNMAN_SERVICE_STATE_DISCONNECT) {
+               result = state_b;
+               goto done;
+       }
+
+       if (state_b == CONNMAN_SERVICE_STATE_DISCONNECT) {
+               result = state_a;
+               goto done;
+       }
+
+       result = CONNMAN_SERVICE_STATE_FAILURE;
+
+done:
+#if 0
+       /* Enable this only if needed, it prints too much data */
+       DBG("%s | %s => %s", state2string(state_a), state2string(state_b),
+                                               state2string(result));
+#endif
+       return result;
+}
+
+static connman_bool_t is_connecting(struct connman_service *service,
+                                       enum connman_service_state state)
+{
+       switch (state) {
        case CONNMAN_SERVICE_STATE_UNKNOWN:
        case CONNMAN_SERVICE_STATE_IDLE:
        case CONNMAN_SERVICE_STATE_FAILURE:
@@ -324,9 +442,10 @@ static connman_bool_t is_connecting(struct connman_service 
*service)
        return FALSE;
 }
 
-static connman_bool_t is_connected(const struct connman_service *service)
+static connman_bool_t is_connected(const struct connman_service *service,
+                                       enum connman_service_state state)
 {
-       switch (service->state) {
+       switch (state) {
        case CONNMAN_SERVICE_STATE_UNKNOWN:
        case CONNMAN_SERVICE_STATE_IDLE:
        case CONNMAN_SERVICE_STATE_ASSOCIATION:
@@ -356,7 +475,7 @@ static void update_nameservers(struct connman_service 
*service)
        if (ifname == NULL)
                return;
 
-       switch (service->state) {
+       switch (combine_state(service->state_ipv4, service->state_ipv6)) {
        case CONNMAN_SERVICE_STATE_UNKNOWN:
        case CONNMAN_SERVICE_STATE_IDLE:
        case CONNMAN_SERVICE_STATE_ASSOCIATION:
@@ -578,7 +697,8 @@ static struct connman_service *get_default(void)
 
        service = g_sequence_get(iter);
 
-       if (is_connected(service) == FALSE)
+       if (is_connected(service, combine_state(service->state_ipv4,
+                                               service->state_ipv6)) == FALSE)
                return NULL;
 
        return service;
@@ -619,7 +739,8 @@ static void state_changed(struct connman_service *service)
 {
        const char *str;
 
-       str = state2string(service->state);
+       str = state2string(combine_state(service->state_ipv4,
+                                                       service->state_ipv6));
        if (str == NULL)
                return;
 
@@ -772,7 +893,10 @@ static void append_ipv4(DBusMessageIter *iter, void 
*user_data)
 {
        struct connman_service *service = user_data;
 
-       if (is_connected(service) == FALSE)
+       DBG("ipv4 %p state %s", service->ipconfig_ipv4,
+                               state2string(service->state_ipv4));
+
+       if (is_connected(service, service->state_ipv4) == FALSE)
                return;
 
        if (service->ipconfig_ipv4 != NULL)
@@ -783,7 +907,10 @@ static void append_ipv6(DBusMessageIter *iter, void 
*user_data)
 {
        struct connman_service *service = user_data;
 
-       if (is_connected(service) == FALSE)
+       DBG("ipv6 %p state %s", service->ipconfig_ipv6,
+                               state2string(service->state_ipv6));
+
+       if (is_connected(service, service->state_ipv6) == FALSE)
                return;
 
        if (service->ipconfig_ipv6 != NULL)
@@ -812,7 +939,8 @@ static void append_dns(DBusMessageIter *iter, void 
*user_data)
 {
        struct connman_service *service = user_data;
 
-       if (is_connected(service) == FALSE)
+       if (is_connected(service, combine_state(service->state_ipv4,
+                                               service->state_ipv6)) == FALSE)
                return;
 
        if (service->nameservers != NULL) {
@@ -848,8 +976,12 @@ static void append_dnsconfig(DBusMessageIter *iter, void 
*user_data)
 static void append_domain(DBusMessageIter *iter, void *user_data)
 {
        struct connman_service *service = user_data;
+       enum connman_service_state state;
+
+       state = combine_state(service->state_ipv4, service->state_ipv6);
 
-       if (is_connected(service) == FALSE && is_connecting(service) == FALSE)
+       if (is_connected(service, state) == FALSE &&
+                               is_connecting(service, state) == FALSE)
                return;
 
        if (service->domainname == NULL)
@@ -908,7 +1040,8 @@ static void append_proxy(DBusMessageIter *iter, void 
*user_data)
 
        DBG("");
 
-       if (is_connected(service) == FALSE)
+       if (is_connected(service, combine_state(service->state_ipv4,
+                                               service->state_ipv6)) == FALSE)
                return;
 
        proxy = connman_service_get_proxy_method(service);
@@ -997,7 +1130,8 @@ static void append_provider(DBusMessageIter *iter, void 
*user_data)
 
        DBG("%p %p", service, service->provider);
 
-       if (is_connected(service) == FALSE)
+       if (is_connected(service, combine_state(service->state_ipv4,
+                                               service->state_ipv6)) == FALSE)
                return;
 
        if (service->provider != NULL)
@@ -1250,7 +1384,8 @@ void __connman_service_notify(struct connman_service 
*service,
        if (service == NULL)
                return;
 
-       if (is_connected(service) == FALSE)
+       if (is_connected(service, combine_state(service->state_ipv4,
+                                               service->state_ipv6)) == FALSE)
                return;
 
        stats_update(service,
@@ -1346,7 +1481,8 @@ static void append_properties(DBusMessageIter *dict, 
dbus_bool_t limited,
                connman_dbus_dict_append_basic(dict, "Security",
                                                DBUS_TYPE_STRING, &str);
 
-       str = state2string(service->state);
+       str = state2string(combine_state(service->state_ipv4,
+                                                       service->state_ipv6));
        if (str != NULL)
                connman_dbus_dict_append_basic(dict, "State",
                                                DBUS_TYPE_STRING, &str);
@@ -2066,6 +2202,8 @@ static DBusMessage *set_property(DBusConnection *conn,
                        g_str_equal(name, "IPv6.Configuration")) {
 
                struct connman_ipconfig *ipv4 = NULL, *ipv6 = NULL;
+               enum connman_service_state state =
+                                               CONNMAN_SERVICE_STATE_UNKNOWN;
                int err = 0;
 
                DBG("%s", name);
@@ -2075,7 +2213,9 @@ static DBusMessage *set_property(DBusConnection *conn,
                        return __connman_error_invalid_property(msg);
 
                if (g_str_equal(name, "IPv4.Configuration") == TRUE) {
-                       if (is_connecting(service) || is_connected(service))
+                       state = service->state_ipv4;
+                       if (is_connecting(service, state) ||
+                                       is_connected(service, state))
                                __connman_network_clear_ipconfig(
                                                service->network,
                                                service->ipconfig_ipv4);
@@ -2084,7 +2224,9 @@ static DBusMessage *set_property(DBusConnection *conn,
                        err = __connman_ipconfig_set_config(ipv4, &value);
 
                } else if (g_str_equal(name, "IPv6.Configuration") == TRUE) {
-                       if (is_connecting(service) || is_connected(service))
+                       state = service->state_ipv6;
+                       if (is_connecting(service, state) ||
+                                       is_connected(service, state))
                                __connman_network_clear_ipconfig(
                                                service->network,
                                                service->ipconfig_ipv6);
@@ -2094,7 +2236,8 @@ static DBusMessage *set_property(DBusConnection *conn,
                }
 
                if (err < 0) {
-                       if (is_connected(service) || is_connecting(service))
+                       if (is_connected(service, state) ||
+                                               is_connecting(service, state))
                                __connman_network_set_ipconfig(service->network,
                                                                ipv4, ipv6);
                        return __connman_error_failed(msg, -err);
@@ -2105,7 +2248,10 @@ static DBusMessage *set_property(DBusConnection *conn,
                else if (ipv6)
                        ipv6_configuration_changed(service);
 
-               if (is_connecting(service) || is_connected(service))
+               state = combine_state(service->state_ipv4,
+                                               service->state_ipv6);
+               if (is_connecting(service, state) ||
+                                               is_connected(service, state))
                        __connman_network_set_ipconfig(service->network,
                                                        ipv4, ipv6);
 
@@ -2118,7 +2264,7 @@ static DBusMessage *set_property(DBusConnection *conn,
 
 static void set_idle(struct connman_service *service)
 {
-       service->state = CONNMAN_SERVICE_STATE_IDLE;
+       service->state_ipv4 = service->state_ipv6 = CONNMAN_SERVICE_STATE_IDLE;
        service->error = CONNMAN_SERVICE_ERROR_UNKNOWN;
        state_changed(service);
 }
@@ -2166,7 +2312,8 @@ static connman_bool_t is_ignore(struct connman_service 
*service)
        if (service->ignore == TRUE)
                return TRUE;
 
-       if (service->state == CONNMAN_SERVICE_STATE_FAILURE)
+       if (combine_state(service->state_ipv4, service->state_ipv6) ==
+                                               CONNMAN_SERVICE_STATE_FAILURE)
                return TRUE;
 
        return FALSE;
@@ -2182,22 +2329,26 @@ void __connman_service_auto_connect(void)
        iter = g_sequence_get_begin_iter(service_list);
 
        while (g_sequence_iter_is_end(iter) == FALSE) {
+               enum connman_service_state state;
+
                service = g_sequence_get(iter);
 
                if (service->pending != NULL)
                        return;
 
-               if (is_connecting(service) == TRUE)
+               state = combine_state(service->state_ipv4,
+                                                       service->state_ipv6);
+               if (is_connecting(service, state) == TRUE)
                        return;
 
                if (service->favorite == FALSE)
                        return;
 
-               if (is_connected(service) == TRUE)
+               if (is_connected(service, state) == TRUE)
                        return;
 
                if (is_ignore(service) == FALSE &&
-                               service->state == CONNMAN_SERVICE_STATE_IDLE)
+                                       state == CONNMAN_SERVICE_STATE_IDLE)
                        break;
 
                service = NULL;
@@ -2270,6 +2421,7 @@ static gboolean connect_timeout(gpointer user_data)
                autoconnect = TRUE;
 
        __connman_service_indicate_state(service,
+                                       CONNMAN_SERVICE_STATE_FAILURE,
                                        CONNMAN_SERVICE_STATE_FAILURE);
 
        if (autoconnect == TRUE && service->userconnect == FALSE)
@@ -2322,6 +2474,7 @@ struct connman_service *
 __connman_service_connect_type(enum connman_service_type type)
 {
        struct connman_service *service;
+       enum connman_service_state state;
        GSequenceIter *iter;
        int err;
 
@@ -2337,13 +2490,15 @@ __connman_service_connect_type(enum 
connman_service_type type)
                return NULL;
        service = g_sequence_get(iter);
 
+       state = combine_state(service->state_ipv4, service->state_ipv6);
+
        /*
         * If the first service is connected or about to be
         * connected, we return it, regardless of the type.
         */
        if ((g_sequence_iter_is_end(iter) == FALSE) &&
-               (is_connecting(service) == TRUE ||
-                       is_connected(service) == TRUE))
+               (is_connecting(service, state) == TRUE ||
+                       is_connected(service, state) == TRUE))
                return service;
 
        while (g_sequence_iter_is_end(iter) == FALSE) {
@@ -2397,7 +2552,9 @@ static DBusMessage *connect_service(DBusConnection *conn,
                struct connman_service *temp = g_sequence_get(iter);
 
                if (service->type == temp->type &&
-                                       is_connecting(temp) == TRUE)
+                       is_connecting(temp,
+                               combine_state(temp->state_ipv4,
+                                               temp->state_ipv6)) == TRUE)
                        return __connman_error_in_progress(msg);
 
                iter = g_sequence_iter_next(iter);
@@ -2472,7 +2629,8 @@ static DBusMessage *remove_service(DBusConnection *conn,
                return __connman_error_not_supported(msg);
 
        if (service->favorite == FALSE &&
-                       service->state != CONNMAN_SERVICE_STATE_FAILURE)
+               combine_state(service->state_ipv4, service->state_ipv6) !=
+                                               CONNMAN_SERVICE_STATE_FAILURE)
                return __connman_error_not_supported(msg);
 
        if (service->network != NULL) {
@@ -2530,7 +2688,8 @@ static DBusMessage *move_service(DBusConnection *conn,
 
        DBG("target %s", target->identifier);
 
-       if (target->state != service->state)
+       if (target->state_ipv4 != service->state_ipv4 &&
+                               target->state_ipv6 != service->state_ipv6)
                return __connman_error_invalid_service(msg);
 
        g_get_current_time(&service->modified);
@@ -2710,7 +2869,9 @@ static void service_initialize(struct connman_service 
*service)
        service->type     = CONNMAN_SERVICE_TYPE_UNKNOWN;
        service->mode     = CONNMAN_SERVICE_MODE_UNKNOWN;
        service->security = CONNMAN_SERVICE_SECURITY_UNKNOWN;
-       service->state    = CONNMAN_SERVICE_STATE_UNKNOWN;
+
+       service->state_ipv4 = CONNMAN_SERVICE_STATE_UNKNOWN;
+       service->state_ipv6 = CONNMAN_SERVICE_STATE_UNKNOWN;
 
        service->favorite  = FALSE;
        service->immutable = FALSE;
@@ -2811,15 +2972,25 @@ static gint service_compare(gconstpointer a, 
gconstpointer b,
        struct connman_service *service_a = (void *) a;
        struct connman_service *service_b = (void *) b;
 
-       if (service_a->state != service_b->state) {
-               if (is_connected(service_a) == TRUE)
+       if (service_a->state_ipv4 != service_b->state_ipv4 &&
+                       service_a->state_ipv6 != service_b->state_ipv6) {
+
+               if (is_connected(service_a, service_a->state_ipv4) == TRUE)
+                       return -1;
+               if (is_connected(service_a, service_a->state_ipv6) == TRUE)
                        return -1;
-               if (is_connected(service_b) == TRUE)
+               if (is_connected(service_b, service_b->state_ipv4) == TRUE)
+                       return 1;
+               if (is_connected(service_b, service_b->state_ipv6) == TRUE)
                        return 1;
 
-               if (is_connecting(service_a) == TRUE)
+               if (is_connecting(service_a, service_a->state_ipv4) == TRUE)
+                       return -1;
+               if (is_connecting(service_a, service_a->state_ipv6) == TRUE)
                        return -1;
-               if (is_connecting(service_b) == TRUE)
+               if (is_connecting(service_b, service_b->state_ipv4) == TRUE)
+                       return 1;
+               if (is_connecting(service_b, service_b->state_ipv6) == TRUE)
                        return 1;
        }
 
@@ -3039,29 +3210,44 @@ static void report_error_cb(struct connman_service 
*service,
 }
 
 int __connman_service_indicate_state(struct connman_service *service,
-                                       enum connman_service_state state)
+                                       enum connman_service_state state_ipv4,
+                                       enum connman_service_state state_ipv6)
 {
+       enum connman_service_state service_state, state;
        GSequenceIter *iter;
 
-       DBG("service %p state %d", service, state);
-
        if (service == NULL)
                return -EINVAL;
 
-       if (service->state == state)
+       if ((service->state_ipv4 == state_ipv4 ||
+                       state_ipv4 == CONNMAN_SERVICE_STATE_UNKNOWN) &&
+               (service->state_ipv6 == state_ipv6 ||
+                       state_ipv6 == CONNMAN_SERVICE_STATE_UNKNOWN))
                return -EALREADY;
 
-       if (service->state == CONNMAN_SERVICE_STATE_FAILURE &&
+       state = combine_state(state_ipv4, state_ipv6);
+       service_state = combine_state(service->state_ipv4,
+                                                       service->state_ipv6);
+
+       DBG("service %p state %s/%s => %s new %s/%s => %s",
+                                       service,
+                                       state2string(service->state_ipv4),
+                                       state2string(service->state_ipv6),
+                                       state2string(service_state),
+                                       state2string(state_ipv4),
+                                       state2string(state_ipv6),
+                                       state2string(state));
+
+       if (service_state == CONNMAN_SERVICE_STATE_FAILURE &&
                                state == CONNMAN_SERVICE_STATE_IDLE)
                return -EINVAL;
 
-       if (service->state == CONNMAN_SERVICE_STATE_IDLE &&
+       if (service_state == CONNMAN_SERVICE_STATE_IDLE &&
                                state == CONNMAN_SERVICE_STATE_DISCONNECT)
                return -EINVAL;
 
        if (state == CONNMAN_SERVICE_STATE_IDLE &&
-                       service->state != CONNMAN_SERVICE_STATE_DISCONNECT) {
-               service->state = CONNMAN_SERVICE_STATE_DISCONNECT;
+                       service_state != CONNMAN_SERVICE_STATE_DISCONNECT) {
                state_changed(service);
 
                reply_pending(service, ECONNABORTED);
@@ -3077,13 +3263,19 @@ int __connman_service_indicate_state(struct 
connman_service *service,
                                                &service->stats_roaming.data);
                }
 
-               if (service->ipconfig_ipv4)
+               if (state_ipv4 == CONNMAN_SERVICE_STATE_CONFIGURATION)
                        __connman_ipconfig_enable(service->ipconfig_ipv4);
-               if (service->ipconfig_ipv6)
+
+               if (state_ipv6 == CONNMAN_SERVICE_STATE_CONFIGURATION)
                        __connman_ipconfig_enable(service->ipconfig_ipv6);
        }
 
-       service->state = state;
+       if (state_ipv4 != CONNMAN_SERVICE_STATE_UNKNOWN)
+               service->state_ipv4 = state_ipv4;
+
+       if (state_ipv6 != CONNMAN_SERVICE_STATE_UNKNOWN)
+               service->state_ipv6 = state_ipv6;
+
        state_changed(service);
 
        if (state == CONNMAN_SERVICE_STATE_ONLINE) {
@@ -3173,10 +3365,12 @@ int __connman_service_indicate_state(struct 
connman_service *service,
 
        __connman_profile_changed(FALSE);
 
-       if (service->state == CONNMAN_SERVICE_STATE_ONLINE)
+       service_state = combine_state(service->state_ipv4,
+                                                       service->state_ipv6);
+       if (service_state == CONNMAN_SERVICE_STATE_ONLINE)
                default_changed();
 
-       if (service->state == CONNMAN_SERVICE_STATE_DISCONNECT) {
+       if (service_state == CONNMAN_SERVICE_STATE_DISCONNECT) {
                struct connman_service *def_service = get_default();
 
                if (__connman_notifier_count_connected() == 0 &&
@@ -3185,8 +3379,8 @@ int __connman_service_indicate_state(struct 
connman_service *service,
                        __connman_provider_disconnect(def_service->provider);
        }
 
-       if (service->state == CONNMAN_SERVICE_STATE_IDLE ||
-                       service->state == CONNMAN_SERVICE_STATE_FAILURE)
+       if (service_state == CONNMAN_SERVICE_STATE_IDLE ||
+                       service_state == CONNMAN_SERVICE_STATE_FAILURE)
                __connman_element_request_scan(CONNMAN_ELEMENT_TYPE_UNKNOWN);
 
        return 0;
@@ -3203,7 +3397,8 @@ int __connman_service_indicate_error(struct 
connman_service *service,
        service->error = error;
 
        return __connman_service_indicate_state(service,
-                                       CONNMAN_SERVICE_STATE_FAILURE);
+                                               CONNMAN_SERVICE_STATE_FAILURE,
+                                               CONNMAN_SERVICE_STATE_UNKNOWN);
 }
 
 int __connman_service_indicate_default(struct connman_service *service)
@@ -3304,14 +3499,17 @@ static void prepare_8021x(struct connman_service 
*service)
 
 int __connman_service_connect(struct connman_service *service)
 {
+       enum connman_service_state state;
        int err;
 
-       DBG("service %p", service);
+       state = combine_state(service->state_ipv4, service->state_ipv6);
 
-       if (is_connected(service) == TRUE)
+       DBG("service %p state %s", service, state2string(state));
+
+       if (is_connected(service, state) == TRUE)
                return -EISCONN;
 
-       if (is_connecting(service) == TRUE)
+       if (is_connecting(service, state) == TRUE)
                return -EALREADY;
 
        switch (service->type) {
@@ -3543,6 +3741,7 @@ int __connman_service_create_and_connect(DBusMessage *msg)
        struct connman_service *service;
        struct connman_network *network;
        struct connman_device *device;
+       enum connman_service_state state;
        DBusMessageIter iter, array;
        const char *mode = "managed", *security = "none", *group_security;
        const char *type = NULL, *ssid = NULL, *passphrase = NULL;
@@ -3651,12 +3850,14 @@ done:
                goto failed;
        }
 
-       if (is_connected(service) == TRUE) {
+       state = combine_state(service->state_ipv4, service->state_ipv6);
+
+       if (is_connected(service, state) == TRUE) {
                err = -EISCONN;
                goto failed;
        }
 
-       if (is_connecting(service) == TRUE) {
+       if (is_connecting(service, state) == TRUE) {
                err = -EALREADY;
                goto failed;
        }
@@ -4082,15 +4283,19 @@ static void update_from_network(struct connman_service 
*service,
                                        struct connman_network *network)
 {
        connman_uint8_t strength = service->strength;
+       enum connman_service_state state;
        GSequenceIter *iter;
        const char *str;
 
-       DBG("service %p network %p", service, network);
+       state = combine_state(service->state_ipv4, service->state_ipv6);
+
+       DBG("service %p network %p state %s", service, network,
+                                               state2string(state));
 
-       if (is_connected(service) == TRUE)
+       if (is_connected(service, state) == TRUE)
                return;
 
-       if (is_connecting(service) == TRUE)
+       if (is_connecting(service, state) == TRUE)
                return;
 
        str = connman_network_get_string(network, "Name");
@@ -4211,7 +4416,7 @@ struct connman_service * 
__connman_service_create_from_network(struct connman_ne
                break;
        }
 
-       service->state = CONNMAN_SERVICE_STATE_IDLE;
+       service->state_ipv4 = service->state_ipv6 = CONNMAN_SERVICE_STATE_IDLE;
 
        update_from_network(service, network);
 
@@ -4349,7 +4554,7 @@ __connman_service_create_from_provider(struct 
connman_provider *provider)
        service->provider = connman_provider_ref(provider);
        service->autoconnect = FALSE;
 
-       service->state = CONNMAN_SERVICE_STATE_IDLE;
+       service->state_ipv4 = service->state_ipv6 = CONNMAN_SERVICE_STATE_IDLE;
 
        str = connman_provider_get_string(provider, "Name");
        if (str != NULL) {
@@ -4512,7 +4717,8 @@ static int service_load(struct connman_service *service)
                                service->identifier, "Failure", NULL);
                if (str != NULL) {
                        if (service->favorite == FALSE)
-                               service->state = CONNMAN_SERVICE_STATE_FAILURE;
+                               service->state_ipv4 = service->state_ipv6 =
+                                       CONNMAN_SERVICE_STATE_FAILURE;
                        service->error = string2error(str);
                }
                break;
@@ -4686,7 +4892,8 @@ update:
                        g_key_file_set_boolean(keyfile, service->identifier,
                                        "AutoConnect", service->autoconnect);
 
-               if (service->state == CONNMAN_SERVICE_STATE_FAILURE) {
+               if (service->state_ipv4 == CONNMAN_SERVICE_STATE_FAILURE ||
+                       service->state_ipv6 == CONNMAN_SERVICE_STATE_FAILURE) {
                        const char *failure = error2string(service->error);
                        if (failure != NULL)
                                g_key_file_set_string(keyfile,
-- 
1.7.0.4

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