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authorTomasz Bursztyka <tomasz.bursztyka@linux.intel.com>2013-01-16 12:57:13 +0200
committerPatrik Flykt <patrik.flykt@linux.intel.com>2013-01-16 16:53:09 +0200
commit13125bd133bf8c31700c16a6deb1a529077675d7 (patch)
tree6e1ca1b81637714ca135aa053770acd1ee15bad7 /src/network.c
parente62c767da96f4b31206d2c7ad5fd04dde50036e7 (diff)
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network: Move up code about set_connected() and set_disconnected
Diffstat (limited to 'src/network.c')
-rw-r--r--src/network.c1252
1 files changed, 627 insertions, 625 deletions
diff --git a/src/network.c b/src/network.c
index 0e64c35d..ac4608bd 100644
--- a/src/network.c
+++ b/src/network.c
@@ -122,6 +122,633 @@ static gboolean match_driver(struct connman_network *network,
return FALSE;
}
+static void set_configuration(struct connman_network *network,
+ enum connman_ipconfig_type type)
+{
+ struct connman_service *service;
+
+ DBG("network %p", network);
+
+ if (network->device == NULL)
+ return;
+
+ __connman_device_set_network(network->device, network);
+
+ connman_device_set_disconnected(network->device, FALSE);
+
+ service = connman_service_lookup_from_network(network);
+ __connman_service_ipconfig_indicate_state(service,
+ CONNMAN_SERVICE_STATE_CONFIGURATION,
+ type);
+}
+
+static void dhcp_success(struct connman_network *network)
+{
+ struct connman_service *service;
+ struct connman_ipconfig *ipconfig_ipv4;
+ int err;
+
+ service = connman_service_lookup_from_network(network);
+ if (service == NULL)
+ goto err;
+
+ connman_network_set_associating(network, FALSE);
+
+ network->connecting = FALSE;
+
+ ipconfig_ipv4 = __connman_service_get_ip4config(service);
+ err = __connman_ipconfig_address_add(ipconfig_ipv4);
+ if (err < 0)
+ goto err;
+
+ err = __connman_ipconfig_gateway_add(ipconfig_ipv4);
+ if (err < 0)
+ goto err;
+
+ return;
+
+err:
+ connman_network_set_error(network,
+ CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
+}
+
+static void dhcp_failure(struct connman_network *network)
+{
+ struct connman_service *service;
+
+ service = connman_service_lookup_from_network(network);
+ if (service == NULL)
+ return;
+
+ __connman_service_ipconfig_indicate_state(service,
+ CONNMAN_SERVICE_STATE_IDLE,
+ CONNMAN_IPCONFIG_TYPE_IPV4);
+}
+
+static void dhcp_callback(struct connman_network *network,
+ connman_bool_t success)
+{
+ DBG("success %d", success);
+
+ if (success == TRUE)
+ dhcp_success(network);
+ else
+ dhcp_failure(network);
+}
+
+static int set_connected_fixed(struct connman_network *network)
+{
+ struct connman_service *service;
+ struct connman_ipconfig *ipconfig_ipv4;
+ int err;
+
+ DBG("");
+
+ service = connman_service_lookup_from_network(network);
+
+ ipconfig_ipv4 = __connman_service_get_ip4config(service);
+
+ set_configuration(network, CONNMAN_IPCONFIG_TYPE_IPV4);
+
+ network->connecting = FALSE;
+
+ connman_network_set_associating(network, FALSE);
+
+ err = __connman_ipconfig_address_add(ipconfig_ipv4);
+ if (err < 0)
+ goto err;
+
+ err = __connman_ipconfig_gateway_add(ipconfig_ipv4);
+ if (err < 0)
+ goto err;
+
+ return 0;
+
+err:
+ connman_network_set_error(network,
+ CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
+
+ return err;
+}
+
+static void set_connected_manual(struct connman_network *network)
+{
+ struct connman_service *service;
+ struct connman_ipconfig *ipconfig;
+ int err;
+
+ DBG("network %p", network);
+
+ service = connman_service_lookup_from_network(network);
+
+ ipconfig = __connman_service_get_ip4config(service);
+
+ if (__connman_ipconfig_get_local(ipconfig) == NULL)
+ __connman_service_read_ip4config(service);
+
+ set_configuration(network, CONNMAN_IPCONFIG_TYPE_IPV4);
+
+ err = __connman_ipconfig_address_add(ipconfig);
+ if (err < 0)
+ goto err;
+
+ err = __connman_ipconfig_gateway_add(ipconfig);
+ if (err < 0)
+ goto err;
+
+ network->connecting = FALSE;
+
+ connman_network_set_associating(network, FALSE);
+
+ return;
+
+err:
+ connman_network_set_error(network,
+ CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
+ return;
+}
+
+static int set_connected_dhcp(struct connman_network *network)
+{
+ int err;
+
+ DBG("network %p", network);
+
+ set_configuration(network, CONNMAN_IPCONFIG_TYPE_IPV4);
+
+ err = __connman_dhcp_start(network, dhcp_callback);
+ if (err < 0) {
+ connman_error("Can not request DHCP lease");
+ return err;
+ }
+
+ return 0;
+}
+
+static int manual_ipv6_set(struct connman_network *network,
+ struct connman_ipconfig *ipconfig_ipv6)
+{
+ struct connman_service *service;
+ int err;
+
+ DBG("network %p ipv6 %p", network, ipconfig_ipv6);
+
+ service = connman_service_lookup_from_network(network);
+ if (service == NULL)
+ return -EINVAL;
+
+ if (__connman_ipconfig_get_local(ipconfig_ipv6) == NULL)
+ __connman_service_read_ip6config(service);
+
+ __connman_ipconfig_enable_ipv6(ipconfig_ipv6);
+
+ err = __connman_ipconfig_address_add(ipconfig_ipv6);
+ if (err < 0) {
+ connman_network_set_error(network,
+ CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
+ return err;
+ }
+
+ err = __connman_ipconfig_gateway_add(ipconfig_ipv6);
+ if (err < 0)
+ return err;
+
+ __connman_connection_gateway_activate(service,
+ CONNMAN_IPCONFIG_TYPE_IPV6);
+
+ __connman_device_set_network(network->device, network);
+
+ connman_device_set_disconnected(network->device, FALSE);
+
+ network->connecting = FALSE;
+
+ return 0;
+}
+
+static void stop_dhcpv6(struct connman_network *network)
+{
+ __connman_dhcpv6_stop(network);
+}
+
+static void dhcpv6_release_callback(struct connman_network *network,
+ connman_bool_t success)
+{
+ DBG("success %d", success);
+
+ stop_dhcpv6(network);
+}
+
+static void release_dhcpv6(struct connman_network *network)
+{
+ __connman_dhcpv6_start_release(network, dhcpv6_release_callback);
+ stop_dhcpv6(network);
+}
+
+static void dhcpv6_info_callback(struct connman_network *network,
+ connman_bool_t success)
+{
+ DBG("success %d", success);
+
+ stop_dhcpv6(network);
+}
+
+static gboolean dhcpv6_set_addresses(struct connman_network *network)
+{
+ struct connman_service *service;
+ struct connman_ipconfig *ipconfig_ipv6;
+ int err = -EINVAL;
+
+ service = connman_service_lookup_from_network(network);
+ if (service == NULL)
+ goto err;
+
+ connman_network_set_associating(network, FALSE);
+
+ network->connecting = FALSE;
+
+ ipconfig_ipv6 = __connman_service_get_ip6config(service);
+ err = __connman_ipconfig_address_add(ipconfig_ipv6);
+ if (err < 0)
+ goto err;
+
+ err = __connman_ipconfig_gateway_add(ipconfig_ipv6);
+ if (err < 0)
+ goto err;
+
+ return 0;
+
+err:
+ connman_network_set_error(network,
+ CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
+ return err;
+}
+
+static void autoconf_ipv6_set(struct connman_network *network);
+static void dhcpv6_callback(struct connman_network *network,
+ connman_bool_t success);
+
+/*
+ * Have a separate callback for renew so that we do not do autoconf
+ * in wrong phase as the dhcpv6_callback() is also called when doing
+ * DHCPv6 solicitation.
+ */
+static void dhcpv6_renew_callback(struct connman_network *network,
+ connman_bool_t success)
+{
+ if (success == TRUE)
+ dhcpv6_callback(network, success);
+ else {
+ stop_dhcpv6(network);
+
+ /* restart and do solicit again. */
+ autoconf_ipv6_set(network);
+ }
+}
+
+static void dhcpv6_callback(struct connman_network *network,
+ connman_bool_t success)
+{
+ DBG("success %d", success);
+
+ /* Start the renew process if necessary */
+ if (success == TRUE) {
+
+ if (dhcpv6_set_addresses(network) < 0) {
+ stop_dhcpv6(network);
+ return;
+ }
+
+ if (__connman_dhcpv6_start_renew(network,
+ dhcpv6_renew_callback) == -ETIMEDOUT)
+ dhcpv6_renew_callback(network, FALSE);
+ } else
+ stop_dhcpv6(network);
+}
+
+static void check_dhcpv6(struct nd_router_advert *reply,
+ unsigned int length, void *user_data)
+{
+ struct connman_network *network = user_data;
+ GSList *prefixes;
+
+ DBG("reply %p", reply);
+
+ if (reply == NULL) {
+ /*
+ * Router solicitation message seem to get lost easily so
+ * try to send it again.
+ */
+ if (network->router_solicit_count > 0) {
+ DBG("re-send router solicitation %d",
+ network->router_solicit_count);
+ network->router_solicit_count--;
+ __connman_inet_ipv6_send_rs(network->index, 1,
+ check_dhcpv6, network);
+ return;
+ }
+ connman_network_unref(network);
+ return;
+ }
+
+ network->router_solicit_count = 0;
+
+ /*
+ * If we were disconnected while waiting router advertisement,
+ * we just quit and do not start DHCPv6
+ */
+ if (network->connected == FALSE) {
+ connman_network_unref(network);
+ return;
+ }
+
+ prefixes = __connman_inet_ipv6_get_prefixes(reply, length);
+
+ /*
+ * We do stateful/stateless DHCPv6 if router advertisement says so.
+ */
+ if (reply->nd_ra_flags_reserved & ND_RA_FLAG_MANAGED)
+ __connman_dhcpv6_start(network, prefixes, dhcpv6_callback);
+ else if (reply->nd_ra_flags_reserved & ND_RA_FLAG_OTHER)
+ __connman_dhcpv6_start_info(network, dhcpv6_info_callback);
+
+ connman_network_unref(network);
+}
+
+static void receive_refresh_rs_reply(struct nd_router_advert *reply,
+ unsigned int length, void *user_data)
+{
+ struct connman_network *network = user_data;
+
+ DBG("reply %p", reply);
+
+ if (reply == NULL) {
+ /*
+ * Router solicitation message seem to get lost easily so
+ * try to send it again.
+ */
+ if (network->router_solicit_refresh_count > 1) {
+ network->router_solicit_refresh_count--;
+ DBG("re-send router solicitation %d",
+ network->router_solicit_refresh_count);
+ __connman_inet_ipv6_send_rs(network->index,
+ RS_REFRESH_TIMEOUT,
+ receive_refresh_rs_reply,
+ network);
+ return;
+ }
+ }
+
+ /* RS refresh not in progress anymore */
+ network->router_solicit_refresh_count = 0;
+
+ connman_network_unref(network);
+ return;
+}
+
+int __connman_refresh_rs_ipv6(struct connman_network *network, int index)
+{
+ int ret = 0;
+
+ DBG("network %p index %d", network, index);
+
+ /* Send only one RS for all RDNSS entries which are about to expire */
+ if (network->router_solicit_refresh_count > 0) {
+ DBG("RS refresh already started");
+ return 0;
+ }
+
+ network->router_solicit_refresh_count = RS_REFRESH_COUNT;
+
+ connman_network_ref(network);
+
+ ret = __connman_inet_ipv6_send_rs(index, RS_REFRESH_TIMEOUT,
+ receive_refresh_rs_reply, network);
+ return ret;
+}
+
+static void autoconf_ipv6_set(struct connman_network *network)
+{
+ struct connman_service *service;
+ struct connman_ipconfig *ipconfig;
+ int index;
+
+ DBG("network %p", network);
+
+ if (network->router_solicit_count > 0) {
+ /*
+ * The autoconfiguration is already pending and we have sent
+ * router solicitation messages and are now waiting answers.
+ * There is no need to continue any further.
+ */
+ DBG("autoconfiguration already started");
+ return;
+ }
+
+ __connman_device_set_network(network->device, network);
+
+ connman_device_set_disconnected(network->device, FALSE);
+
+ network->connecting = FALSE;
+
+ service = connman_service_lookup_from_network(network);
+ if (service == NULL)
+ return;
+
+ ipconfig = __connman_service_get_ip6config(service);
+ if (ipconfig == NULL)
+ return;
+
+ index = __connman_ipconfig_get_index(ipconfig);
+
+ connman_network_ref(network);
+
+ /* Try to get stateless DHCPv6 information, RFC 3736 */
+ network->router_solicit_count = 3;
+ __connman_inet_ipv6_send_rs(index, 1, check_dhcpv6, network);
+}
+
+static void set_connected(struct connman_network *network)
+{
+ struct connman_ipconfig *ipconfig_ipv4, *ipconfig_ipv6;
+ enum connman_ipconfig_method ipv4_method, ipv6_method;
+ struct connman_service *service;
+ int ret;
+
+ if (network->connected == TRUE)
+ return;
+
+ network->connected = TRUE;
+
+ service = connman_service_lookup_from_network(network);
+
+ ipconfig_ipv4 = __connman_service_get_ip4config(service);
+ ipconfig_ipv6 = __connman_service_get_ip6config(service);
+
+ DBG("service %p ipv4 %p ipv6 %p", service, ipconfig_ipv4,
+ ipconfig_ipv6);
+
+ ipv4_method = __connman_ipconfig_get_method(ipconfig_ipv4);
+ ipv6_method = __connman_ipconfig_get_method(ipconfig_ipv6);
+
+ DBG("method ipv4 %d ipv6 %d", ipv4_method, ipv6_method);
+
+ switch (ipv6_method) {
+ case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
+ case CONNMAN_IPCONFIG_METHOD_OFF:
+ break;
+ case CONNMAN_IPCONFIG_METHOD_DHCP:
+ case CONNMAN_IPCONFIG_METHOD_AUTO:
+ autoconf_ipv6_set(network);
+ break;
+ case CONNMAN_IPCONFIG_METHOD_FIXED:
+ case CONNMAN_IPCONFIG_METHOD_MANUAL:
+ ret = manual_ipv6_set(network, ipconfig_ipv6);
+ if (ret != 0) {
+ connman_network_set_error(network,
+ CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
+ return;
+ }
+ break;
+ }
+
+ switch (ipv4_method) {
+ case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
+ case CONNMAN_IPCONFIG_METHOD_OFF:
+ case CONNMAN_IPCONFIG_METHOD_AUTO:
+ return;
+ case CONNMAN_IPCONFIG_METHOD_FIXED:
+ if (set_connected_fixed(network) < 0) {
+ connman_network_set_error(network,
+ CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
+ return;
+ }
+ return;
+ case CONNMAN_IPCONFIG_METHOD_MANUAL:
+ set_connected_manual(network);
+ return;
+ case CONNMAN_IPCONFIG_METHOD_DHCP:
+ if (set_connected_dhcp(network) < 0) {
+ connman_network_set_error(network,
+ CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
+ return;
+ }
+ }
+
+ network->connecting = FALSE;
+
+ connman_network_set_associating(network, FALSE);
+}
+
+static void set_disconnected(struct connman_network *network)
+{
+ struct connman_ipconfig *ipconfig_ipv4, *ipconfig_ipv6;
+ enum connman_ipconfig_method ipv4_method, ipv6_method;
+ enum connman_service_state state;
+ struct connman_service *service;
+
+ if (network->connected == FALSE)
+ return;
+
+ network->connected = FALSE;
+
+ service = connman_service_lookup_from_network(network);
+
+ ipconfig_ipv4 = __connman_service_get_ip4config(service);
+ ipconfig_ipv6 = __connman_service_get_ip6config(service);
+
+ DBG("service %p ipv4 %p ipv6 %p", service, ipconfig_ipv4,
+ ipconfig_ipv6);
+
+ ipv4_method = __connman_ipconfig_get_method(ipconfig_ipv4);
+ ipv6_method = __connman_ipconfig_get_method(ipconfig_ipv6);
+
+ DBG("method ipv4 %d ipv6 %d", ipv4_method, ipv6_method);
+
+ /*
+ * Resetting solicit count here will prevent the RS resend loop
+ * from sending packets in check_dhcpv6()
+ */
+ network->router_solicit_count = 0;
+
+ __connman_device_set_network(network->device, NULL);
+
+ switch (ipv6_method) {
+ case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
+ case CONNMAN_IPCONFIG_METHOD_OFF:
+ case CONNMAN_IPCONFIG_METHOD_FIXED:
+ case CONNMAN_IPCONFIG_METHOD_MANUAL:
+ break;
+ case CONNMAN_IPCONFIG_METHOD_DHCP:
+ case CONNMAN_IPCONFIG_METHOD_AUTO:
+ release_dhcpv6(network);
+ break;
+ }
+
+ switch (ipv4_method) {
+ case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
+ case CONNMAN_IPCONFIG_METHOD_OFF:
+ case CONNMAN_IPCONFIG_METHOD_AUTO:
+ case CONNMAN_IPCONFIG_METHOD_FIXED:
+ case CONNMAN_IPCONFIG_METHOD_MANUAL:
+ break;
+ case CONNMAN_IPCONFIG_METHOD_DHCP:
+ __connman_dhcp_stop(network);
+ break;
+ }
+
+ /*
+ * We only set the disconnect state if we were not in idle
+ * or in failure. It does not make sense to go to disconnect
+ * state if we were not connected.
+ */
+ state = __connman_service_ipconfig_get_state(service,
+ CONNMAN_IPCONFIG_TYPE_IPV4);
+ if (state != CONNMAN_SERVICE_STATE_IDLE &&
+ state != CONNMAN_SERVICE_STATE_FAILURE)
+ __connman_service_ipconfig_indicate_state(service,
+ CONNMAN_SERVICE_STATE_DISCONNECT,
+ CONNMAN_IPCONFIG_TYPE_IPV4);
+
+ state = __connman_service_ipconfig_get_state(service,
+ CONNMAN_IPCONFIG_TYPE_IPV6);
+ if (state != CONNMAN_SERVICE_STATE_IDLE &&
+ state != CONNMAN_SERVICE_STATE_FAILURE)
+ __connman_service_ipconfig_indicate_state(service,
+ CONNMAN_SERVICE_STATE_DISCONNECT,
+ CONNMAN_IPCONFIG_TYPE_IPV6);
+
+ __connman_connection_gateway_remove(service,
+ CONNMAN_IPCONFIG_TYPE_ALL);
+
+ __connman_ipconfig_address_unset(ipconfig_ipv4);
+ __connman_ipconfig_address_unset(ipconfig_ipv6);
+
+ /*
+ * Special handling for IPv6 autoconfigured address.
+ * The simplest way to remove autoconfigured routes is to
+ * disable IPv6 temporarily so that kernel will do the cleanup
+ * automagically.
+ */
+ if (ipv6_method == CONNMAN_IPCONFIG_METHOD_AUTO) {
+ __connman_ipconfig_disable_ipv6(ipconfig_ipv6);
+ __connman_ipconfig_enable_ipv6(ipconfig_ipv6);
+ }
+
+ __connman_service_ipconfig_indicate_state(service,
+ CONNMAN_SERVICE_STATE_IDLE,
+ CONNMAN_IPCONFIG_TYPE_IPV4);
+
+ __connman_service_ipconfig_indicate_state(service,
+ CONNMAN_SERVICE_STATE_IDLE,
+ CONNMAN_IPCONFIG_TYPE_IPV6);
+
+ network->connecting = FALSE;
+
+ connman_network_set_associating(network, FALSE);
+}
+
+
+
static int network_probe(struct connman_network *network)
{
GSList *list;
@@ -750,631 +1377,6 @@ void connman_network_clear_error(struct connman_network *network)
__connman_service_clear_error(service);
}
-static void set_configuration(struct connman_network *network,
- enum connman_ipconfig_type type)
-{
- struct connman_service *service;
-
- DBG("network %p", network);
-
- if (network->device == NULL)
- return;
-
- __connman_device_set_network(network->device, network);
-
- connman_device_set_disconnected(network->device, FALSE);
-
- service = connman_service_lookup_from_network(network);
- __connman_service_ipconfig_indicate_state(service,
- CONNMAN_SERVICE_STATE_CONFIGURATION,
- type);
-}
-
-static void dhcp_success(struct connman_network *network)
-{
- struct connman_service *service;
- struct connman_ipconfig *ipconfig_ipv4;
- int err;
-
- service = connman_service_lookup_from_network(network);
- if (service == NULL)
- goto err;
-
- connman_network_set_associating(network, FALSE);
-
- network->connecting = FALSE;
-
- ipconfig_ipv4 = __connman_service_get_ip4config(service);
- err = __connman_ipconfig_address_add(ipconfig_ipv4);
- if (err < 0)
- goto err;
-
- err = __connman_ipconfig_gateway_add(ipconfig_ipv4);
- if (err < 0)
- goto err;
-
- return;
-
-err:
- connman_network_set_error(network,
- CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
-}
-
-static void dhcp_failure(struct connman_network *network)
-{
- struct connman_service *service;
-
- service = connman_service_lookup_from_network(network);
- if (service == NULL)
- return;
-
- __connman_service_ipconfig_indicate_state(service,
- CONNMAN_SERVICE_STATE_IDLE,
- CONNMAN_IPCONFIG_TYPE_IPV4);
-}
-
-static void dhcp_callback(struct connman_network *network,
- connman_bool_t success)
-{
- DBG("success %d", success);
-
- if (success == TRUE)
- dhcp_success(network);
- else
- dhcp_failure(network);
-}
-
-static int set_connected_fixed(struct connman_network *network)
-{
- struct connman_service *service;
- struct connman_ipconfig *ipconfig_ipv4;
- int err;
-
- DBG("");
-
- service = connman_service_lookup_from_network(network);
-
- ipconfig_ipv4 = __connman_service_get_ip4config(service);
-
- set_configuration(network, CONNMAN_IPCONFIG_TYPE_IPV4);
-
- network->connecting = FALSE;
-
- connman_network_set_associating(network, FALSE);
-
- err = __connman_ipconfig_address_add(ipconfig_ipv4);
- if (err < 0)
- goto err;
-
- err = __connman_ipconfig_gateway_add(ipconfig_ipv4);
- if (err < 0)
- goto err;
-
- return 0;
-
-err:
- connman_network_set_error(network,
- CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
-
- return err;
-}
-
-static void set_connected_manual(struct connman_network *network)
-{
- struct connman_service *service;
- struct connman_ipconfig *ipconfig;
- int err;
-
- DBG("network %p", network);
-
- service = connman_service_lookup_from_network(network);
-
- ipconfig = __connman_service_get_ip4config(service);
-
- if (__connman_ipconfig_get_local(ipconfig) == NULL)
- __connman_service_read_ip4config(service);
-
- set_configuration(network, CONNMAN_IPCONFIG_TYPE_IPV4);
-
- err = __connman_ipconfig_address_add(ipconfig);
- if (err < 0)
- goto err;
-
- err = __connman_ipconfig_gateway_add(ipconfig);
- if (err < 0)
- goto err;
-
- network->connecting = FALSE;
-
- connman_network_set_associating(network, FALSE);
-
- return;
-
-err:
- connman_network_set_error(network,
- CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
- return;
-}
-
-static int set_connected_dhcp(struct connman_network *network)
-{
- int err;
-
- DBG("network %p", network);
-
- set_configuration(network, CONNMAN_IPCONFIG_TYPE_IPV4);
-
- err = __connman_dhcp_start(network, dhcp_callback);
- if (err < 0) {
- connman_error("Can not request DHCP lease");
- return err;
- }
-
- return 0;
-}
-
-static int manual_ipv6_set(struct connman_network *network,
- struct connman_ipconfig *ipconfig_ipv6)
-{
- struct connman_service *service;
- int err;
-
- DBG("network %p ipv6 %p", network, ipconfig_ipv6);
-
- service = connman_service_lookup_from_network(network);
- if (service == NULL)
- return -EINVAL;
-
- if (__connman_ipconfig_get_local(ipconfig_ipv6) == NULL)
- __connman_service_read_ip6config(service);
-
- __connman_ipconfig_enable_ipv6(ipconfig_ipv6);
-
- err = __connman_ipconfig_address_add(ipconfig_ipv6);
- if (err < 0) {
- connman_network_set_error(network,
- CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
- return err;
- }
-
- err = __connman_ipconfig_gateway_add(ipconfig_ipv6);
- if (err < 0)
- return err;
-
- __connman_connection_gateway_activate(service,
- CONNMAN_IPCONFIG_TYPE_IPV6);
-
- __connman_device_set_network(network->device, network);
-
- connman_device_set_disconnected(network->device, FALSE);
-
- network->connecting = FALSE;
-
- return 0;
-}
-
-static void stop_dhcpv6(struct connman_network *network)
-{
- __connman_dhcpv6_stop(network);
-}
-
-static void dhcpv6_release_callback(struct connman_network *network,
- connman_bool_t success)
-{
- DBG("success %d", success);
-
- stop_dhcpv6(network);
-}
-
-static void release_dhcpv6(struct connman_network *network)
-{
- __connman_dhcpv6_start_release(network, dhcpv6_release_callback);
- stop_dhcpv6(network);
-}
-
-static void dhcpv6_info_callback(struct connman_network *network,
- connman_bool_t success)
-{
- DBG("success %d", success);
-
- stop_dhcpv6(network);
-}
-
-static gboolean dhcpv6_set_addresses(struct connman_network *network)
-{
- struct connman_service *service;
- struct connman_ipconfig *ipconfig_ipv6;
- int err = -EINVAL;
-
- service = connman_service_lookup_from_network(network);
- if (service == NULL)
- goto err;
-
- connman_network_set_associating(network, FALSE);
-
- network->connecting = FALSE;
-
- ipconfig_ipv6 = __connman_service_get_ip6config(service);
- err = __connman_ipconfig_address_add(ipconfig_ipv6);
- if (err < 0)
- goto err;
-
- err = __connman_ipconfig_gateway_add(ipconfig_ipv6);
- if (err < 0)
- goto err;
-
- return 0;
-
-err:
- connman_network_set_error(network,
- CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
- return err;
-}
-
-static void autoconf_ipv6_set(struct connman_network *network);
-static void dhcpv6_callback(struct connman_network *network,
- connman_bool_t success);
-
-/*
- * Have a separate callback for renew so that we do not do autoconf
- * in wrong phase as the dhcpv6_callback() is also called when doing
- * DHCPv6 solicitation.
- */
-static void dhcpv6_renew_callback(struct connman_network *network,
- connman_bool_t success)
-{
- if (success == TRUE)
- dhcpv6_callback(network, success);
- else {
- stop_dhcpv6(network);
-
- /* restart and do solicit again. */
- autoconf_ipv6_set(network);
- }
-}
-
-static void dhcpv6_callback(struct connman_network *network,
- connman_bool_t success)
-{
- DBG("success %d", success);
-
- /* Start the renew process if necessary */
- if (success == TRUE) {
-
- if (dhcpv6_set_addresses(network) < 0) {
- stop_dhcpv6(network);
- return;
- }
-
- if (__connman_dhcpv6_start_renew(network,
- dhcpv6_renew_callback) == -ETIMEDOUT)
- dhcpv6_renew_callback(network, FALSE);
- } else
- stop_dhcpv6(network);
-}
-
-static void check_dhcpv6(struct nd_router_advert *reply,
- unsigned int length, void *user_data)
-{
- struct connman_network *network = user_data;
- GSList *prefixes;
-
- DBG("reply %p", reply);
-
- if (reply == NULL) {
- /*
- * Router solicitation message seem to get lost easily so
- * try to send it again.
- */
- if (network->router_solicit_count > 0) {
- DBG("re-send router solicitation %d",
- network->router_solicit_count);
- network->router_solicit_count--;
- __connman_inet_ipv6_send_rs(network->index, 1,
- check_dhcpv6, network);
- return;
- }
- connman_network_unref(network);
- return;
- }
-
- network->router_solicit_count = 0;
-
- /*
- * If we were disconnected while waiting router advertisement,
- * we just quit and do not start DHCPv6
- */
- if (network->connected == FALSE) {
- connman_network_unref(network);
- return;
- }
-
- prefixes = __connman_inet_ipv6_get_prefixes(reply, length);
-
- /*
- * We do stateful/stateless DHCPv6 if router advertisement says so.
- */
- if (reply->nd_ra_flags_reserved & ND_RA_FLAG_MANAGED)
- __connman_dhcpv6_start(network, prefixes, dhcpv6_callback);
- else if (reply->nd_ra_flags_reserved & ND_RA_FLAG_OTHER)
- __connman_dhcpv6_start_info(network, dhcpv6_info_callback);
-
- connman_network_unref(network);
-}
-
-static void receive_refresh_rs_reply(struct nd_router_advert *reply,
- unsigned int length, void *user_data)
-{
- struct connman_network *network = user_data;
-
- DBG("reply %p", reply);
-
- if (reply == NULL) {
- /*
- * Router solicitation message seem to get lost easily so
- * try to send it again.
- */
- if (network->router_solicit_refresh_count > 1) {
- network->router_solicit_refresh_count--;
- DBG("re-send router solicitation %d",
- network->router_solicit_refresh_count);
- __connman_inet_ipv6_send_rs(network->index,
- RS_REFRESH_TIMEOUT,
- receive_refresh_rs_reply,
- network);
- return;
- }
- }
-
- /* RS refresh not in progress anymore */
- network->router_solicit_refresh_count = 0;
-
- connman_network_unref(network);
- return;
-}
-
-int __connman_refresh_rs_ipv6(struct connman_network *network, int index)
-{
- int ret = 0;
-
- DBG("network %p index %d", network, index);
-
- /* Send only one RS for all RDNSS entries which are about to expire */
- if (network->router_solicit_refresh_count > 0) {
- DBG("RS refresh already started");
- return 0;
- }
-
- network->router_solicit_refresh_count = RS_REFRESH_COUNT;
-
- connman_network_ref(network);
-
- ret = __connman_inet_ipv6_send_rs(index, RS_REFRESH_TIMEOUT,
- receive_refresh_rs_reply, network);
- return ret;
-}
-
-static void autoconf_ipv6_set(struct connman_network *network)
-{
- struct connman_service *service;
- struct connman_ipconfig *ipconfig;
- int index;
-
- DBG("network %p", network);
-
- if (network->router_solicit_count > 0) {
- /*
- * The autoconfiguration is already pending and we have sent
- * router solicitation messages and are now waiting answers.
- * There is no need to continue any further.
- */
- DBG("autoconfiguration already started");
- return;
- }
-
- __connman_device_set_network(network->device, network);
-
- connman_device_set_disconnected(network->device, FALSE);
-
- network->connecting = FALSE;
-
- service = connman_service_lookup_from_network(network);
- if (service == NULL)
- return;
-
- ipconfig = __connman_service_get_ip6config(service);
- if (ipconfig == NULL)
- return;
-
- index = __connman_ipconfig_get_index(ipconfig);
-
- connman_network_ref(network);
-
- /* Try to get stateless DHCPv6 information, RFC 3736 */
- network->router_solicit_count = 3;
- __connman_inet_ipv6_send_rs(index, 1, check_dhcpv6, network);
-}
-
-static void set_connected(struct connman_network *network)
-{
- struct connman_ipconfig *ipconfig_ipv4, *ipconfig_ipv6;
- enum connman_ipconfig_method ipv4_method, ipv6_method;
- struct connman_service *service;
- int ret;
-
- if (network->connected == TRUE)
- return;
-
- network->connected = TRUE;
-
- service = connman_service_lookup_from_network(network);
-
- ipconfig_ipv4 = __connman_service_get_ip4config(service);
- ipconfig_ipv6 = __connman_service_get_ip6config(service);
-
- DBG("service %p ipv4 %p ipv6 %p", service, ipconfig_ipv4,
- ipconfig_ipv6);
-
- ipv4_method = __connman_ipconfig_get_method(ipconfig_ipv4);
- ipv6_method = __connman_ipconfig_get_method(ipconfig_ipv6);
-
- DBG("method ipv4 %d ipv6 %d", ipv4_method, ipv6_method);
-
- switch (ipv6_method) {
- case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
- case CONNMAN_IPCONFIG_METHOD_OFF:
- break;
- case CONNMAN_IPCONFIG_METHOD_DHCP:
- case CONNMAN_IPCONFIG_METHOD_AUTO:
- autoconf_ipv6_set(network);
- break;
- case CONNMAN_IPCONFIG_METHOD_FIXED:
- case CONNMAN_IPCONFIG_METHOD_MANUAL:
- ret = manual_ipv6_set(network, ipconfig_ipv6);
- if (ret != 0) {
- connman_network_set_error(network,
- CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
- return;
- }
- break;
- }
-
- switch (ipv4_method) {
- case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
- case CONNMAN_IPCONFIG_METHOD_OFF:
- case CONNMAN_IPCONFIG_METHOD_AUTO:
- return;
- case CONNMAN_IPCONFIG_METHOD_FIXED:
- if (set_connected_fixed(network) < 0) {
- connman_network_set_error(network,
- CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
- return;
- }
- return;
- case CONNMAN_IPCONFIG_METHOD_MANUAL:
- set_connected_manual(network);
- return;
- case CONNMAN_IPCONFIG_METHOD_DHCP:
- if (set_connected_dhcp(network) < 0) {
- connman_network_set_error(network,
- CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
- return;
- }
- }
-
- network->connecting = FALSE;
-
- connman_network_set_associating(network, FALSE);
-}
-
-static void set_disconnected(struct connman_network *network)
-{
- struct connman_ipconfig *ipconfig_ipv4, *ipconfig_ipv6;
- enum connman_ipconfig_method ipv4_method, ipv6_method;
- enum connman_service_state state;
- struct connman_service *service;
-
- if (network->connected == FALSE)
- return;
-
- network->connected = FALSE;
-
- service = connman_service_lookup_from_network(network);
-
- ipconfig_ipv4 = __connman_service_get_ip4config(service);
- ipconfig_ipv6 = __connman_service_get_ip6config(service);
-
- DBG("service %p ipv4 %p ipv6 %p", service, ipconfig_ipv4,
- ipconfig_ipv6);
-
- ipv4_method = __connman_ipconfig_get_method(ipconfig_ipv4);
- ipv6_method = __connman_ipconfig_get_method(ipconfig_ipv6);
-
- DBG("method ipv4 %d ipv6 %d", ipv4_method, ipv6_method);
-
- /*
- * Resetting solicit count here will prevent the RS resend loop
- * from sending packets in check_dhcpv6()
- */
- network->router_solicit_count = 0;
-
- __connman_device_set_network(network->device, NULL);
-
- switch (ipv6_method) {
- case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
- case CONNMAN_IPCONFIG_METHOD_OFF:
- case CONNMAN_IPCONFIG_METHOD_FIXED:
- case CONNMAN_IPCONFIG_METHOD_MANUAL:
- break;
- case CONNMAN_IPCONFIG_METHOD_DHCP:
- case CONNMAN_IPCONFIG_METHOD_AUTO:
- release_dhcpv6(network);
- break;
- }
-
- switch (ipv4_method) {
- case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
- case CONNMAN_IPCONFIG_METHOD_OFF:
- case CONNMAN_IPCONFIG_METHOD_AUTO:
- case CONNMAN_IPCONFIG_METHOD_FIXED:
- case CONNMAN_IPCONFIG_METHOD_MANUAL:
- break;
- case CONNMAN_IPCONFIG_METHOD_DHCP:
- __connman_dhcp_stop(network);
- break;
- }
-
- /*
- * We only set the disconnect state if we were not in idle
- * or in failure. It does not make sense to go to disconnect
- * state if we were not connected.
- */
- state = __connman_service_ipconfig_get_state(service,
- CONNMAN_IPCONFIG_TYPE_IPV4);
- if (state != CONNMAN_SERVICE_STATE_IDLE &&
- state != CONNMAN_SERVICE_STATE_FAILURE)
- __connman_service_ipconfig_indicate_state(service,
- CONNMAN_SERVICE_STATE_DISCONNECT,
- CONNMAN_IPCONFIG_TYPE_IPV4);
-
- state = __connman_service_ipconfig_get_state(service,
- CONNMAN_IPCONFIG_TYPE_IPV6);
- if (state != CONNMAN_SERVICE_STATE_IDLE &&
- state != CONNMAN_SERVICE_STATE_FAILURE)
- __connman_service_ipconfig_indicate_state(service,
- CONNMAN_SERVICE_STATE_DISCONNECT,
- CONNMAN_IPCONFIG_TYPE_IPV6);
-
- __connman_connection_gateway_remove(service,
- CONNMAN_IPCONFIG_TYPE_ALL);
-
- __connman_ipconfig_address_unset(ipconfig_ipv4);
- __connman_ipconfig_address_unset(ipconfig_ipv6);
-
- /*
- * Special handling for IPv6 autoconfigured address.
- * The simplest way to remove autoconfigured routes is to
- * disable IPv6 temporarily so that kernel will do the cleanup
- * automagically.
- */
- if (ipv6_method == CONNMAN_IPCONFIG_METHOD_AUTO) {
- __connman_ipconfig_disable_ipv6(ipconfig_ipv6);
- __connman_ipconfig_enable_ipv6(ipconfig_ipv6);
- }
-
- __connman_service_ipconfig_indicate_state(service,
- CONNMAN_SERVICE_STATE_IDLE,
- CONNMAN_IPCONFIG_TYPE_IPV4);
-
- __connman_service_ipconfig_indicate_state(service,
- CONNMAN_SERVICE_STATE_IDLE,
- CONNMAN_IPCONFIG_TYPE_IPV6);
-
- network->connecting = FALSE;
-
- connman_network_set_associating(network, FALSE);
-}
-
/**
* connman_network_set_connected:
* @network: network structure