device: add dbus interface for WDS property

The WDS dbus property of a Device directly maps to the 4ADDR property
of a real netdevice. It can be activated or deactivated at any point
in time.

The name WDS comes from the fact that this feature allows a STA
interface to be bridged and thus create a Wireless Distribution
System (the same name is used in OpenWRT and hostapd).

To implement this feature, the 'powered callback' data structure has
been renamed and re-used.
This commit is contained in:
Antonio Quartulli 2018-06-13 23:57:37 +08:00 committed by Denis Kenzior
parent 9476f78e2d
commit b415858698
1 changed files with 66 additions and 4 deletions

View File

@ -2167,7 +2167,7 @@ static bool device_property_get_powered(struct l_dbus *dbus,
return true;
}
struct set_powered_cb_data {
struct set_generic_cb_data {
struct device *device;
struct l_dbus *dbus;
struct l_dbus_message *message;
@ -2176,7 +2176,7 @@ struct set_powered_cb_data {
static void set_powered_cb(struct netdev *netdev, int result, void *user_data)
{
struct set_powered_cb_data *cb_data = user_data;
struct set_generic_cb_data *cb_data = user_data;
struct l_dbus_message *reply = NULL;
if (result < 0)
@ -2193,7 +2193,7 @@ static struct l_dbus_message *device_property_set_powered(struct l_dbus *dbus,
{
struct device *device = user_data;
bool powered;
struct set_powered_cb_data *cb_data;
struct set_generic_cb_data *cb_data;
if (!l_dbus_message_iter_get_variant(new_value, "b", &powered))
return dbus_error_invalid_args(message);
@ -2204,7 +2204,7 @@ static struct l_dbus_message *device_property_set_powered(struct l_dbus *dbus,
return NULL;
}
cb_data = l_new(struct set_powered_cb_data, 1);
cb_data = l_new(struct set_generic_cb_data, 1);
cb_data->device = device;
cb_data->dbus = dbus;
cb_data->message = message;
@ -2216,6 +2216,65 @@ static struct l_dbus_message *device_property_set_powered(struct l_dbus *dbus,
return NULL;
}
static bool device_property_get_4addr(struct l_dbus *dbus,
struct l_dbus_message *message,
struct l_dbus_message_builder *builder,
void *user_data)
{
struct device *device = user_data;
bool use_4addr = netdev_get_4addr(device->netdev);
l_dbus_message_builder_append_basic(builder, 'b', &use_4addr);
return true;
}
static void set_4addr_cb(struct netdev *netdev, int result, void *user_data)
{
struct set_generic_cb_data *cb_data = user_data;
struct l_dbus_message *reply = NULL;
if (result < 0)
reply = dbus_error_failed(cb_data->message);
cb_data->complete(cb_data->dbus, cb_data->message, reply);
l_dbus_property_changed(cb_data->dbus, device_get_path(cb_data->device),
IWD_DEVICE_INTERFACE, "WDS");
}
static struct l_dbus_message *device_property_set_4addr(struct l_dbus *dbus,
struct l_dbus_message *message,
struct l_dbus_message_iter *new_value,
l_dbus_property_complete_cb_t complete,
void *user_data)
{
struct set_generic_cb_data *cb_data;
struct device *device = user_data;
bool use_4addr;
if (!l_dbus_message_iter_get_variant(new_value, "b", &use_4addr))
return dbus_error_invalid_args(message);
if (use_4addr == netdev_get_4addr(device->netdev)) {
complete(dbus, message, NULL);
return NULL;
}
cb_data = l_new(struct set_generic_cb_data, 1);
cb_data->device = device;
cb_data->dbus = dbus;
cb_data->message = message;
cb_data->complete = complete;
if (netdev_set_4addr(device->netdev, use_4addr, set_4addr_cb, cb_data,
l_free) < 0)
return dbus_error_failed(message);
return NULL;
}
static bool device_property_get_scanning(struct l_dbus *dbus,
struct l_dbus_message *message,
struct l_dbus_message_builder *builder,
@ -2305,6 +2364,9 @@ static void setup_device_interface(struct l_dbus_interface *interface)
l_dbus_interface_property(interface, "ConnectedNetwork", 0, "o",
device_property_get_connected_network,
NULL);
l_dbus_interface_property(interface, "WDS", 0, "b",
device_property_get_4addr,
device_property_set_4addr);
l_dbus_interface_property(interface, "Powered", 0, "b",
device_property_get_powered,
device_property_set_powered);