* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
+
+/* The wireless configuration is projected on the following objects
+ *
+ * 1. wireless device
+ * 2. wireless interface
+ * 3. wireless vlan
+ * 4. wireless station
+ *
+ * A wireless device is a phy or simplified a wireless card.
+ * A wireless interface is a SSID on a phy.
+ * A wireless vlan can be assigned to a wireless interface. A wireless interface can
+ * have multiple vlans.
+ * A wireless station is a client connected to an wireless interface.
+ */
+
#include <signal.h>
#include "netifd.h"
#include "wireless.h"
VIF_ATTR_NETWORK,
VIF_ATTR_ISOLATE,
VIF_ATTR_MODE,
+ VIF_ATTR_PROXYARP,
__VIF_ATTR_MAX,
};
[VIF_ATTR_NETWORK] = { .name = "network", .type = BLOBMSG_TYPE_ARRAY },
[VIF_ATTR_ISOLATE] = { .name = "isolate", .type = BLOBMSG_TYPE_BOOL },
[VIF_ATTR_MODE] = { .name = "mode", .type = BLOBMSG_TYPE_STRING },
+ [VIF_ATTR_PROXYARP] = { .name = "proxy_arp", .type = BLOBMSG_TYPE_BOOL },
};
static const struct uci_blob_param_list vif_param = {
vif_config_add_bridge(struct blob_buf *buf, struct blob_attr *networks, bool prepare)
{
struct interface *iface;
- struct device *dev = NULL;
+ struct device *dev = NULL, *orig_dev;
struct blob_attr *cur;
const char *network;
int rem;
if (!dev)
return;
+ orig_dev = dev;
if (dev->hotplug_ops && dev->hotplug_ops->prepare)
dev->hotplug_ops->prepare(dev, &dev);
return;
blobmsg_add_string(buf, "bridge", dev->ifname);
+ blobmsg_add_string(buf, "bridge-ifname", orig_dev->ifname);
if (dev->settings.flags & DEV_OPT_MULTICAST_TO_UNICAST)
blobmsg_add_u8(buf, "multicast_to_unicast",
}
}
-static void wireless_interface_handle_link(struct wireless_interface *vif, bool up)
+static void wireless_interface_handle_link(struct wireless_interface *vif, const char *ifname, bool up)
{
struct interface *iface;
struct blob_attr *cur;
if (!vif->network || !vif->ifname)
return;
+ if (!ifname)
+ ifname = vif->ifname;
+
if (up) {
- struct device *dev = device_get(vif->ifname, 2);
+ struct device *dev = device_get(ifname, 2);
if (dev) {
dev->wireless_isolate = vif->isolate;
+ dev->wireless_proxyarp = vif->proxyarp;
dev->wireless = true;
dev->wireless_ap = vif->ap_mode;
+ dev->bpdu_filter = dev->wireless_ap && ifname == vif->ifname;
}
}
if (!iface)
continue;
- interface_handle_link(iface, vif->ifname, NULL, up, true);
+ interface_handle_link(iface, ifname, NULL, up, true);
}
}
dev->wireless_isolate = vlan->isolate;
dev->wireless = true;
dev->wireless_ap = true;
+ dev->bpdu_filter = true;
}
}
wireless_vlan_handle_link(vlan, false);
vlist_for_each_element(&wdev->interfaces, vif, node)
- wireless_interface_handle_link(vif, false);
+ wireless_interface_handle_link(vif, NULL, false);
wireless_process_kill_all(wdev, SIGTERM, true);
wdev_handle_config_change(wdev);
}
+/* timeout callback to protect the tear down */
static void
wireless_device_setup_timeout(struct uloop_timeout *timeout)
{
wireless_device_run_handler(wdev, false);
}
+/* ubus callback network.wireless.notify, command = up */
static void
wireless_device_mark_up(struct wireless_device *wdev)
{
D(WIRELESS, "Wireless device '%s' is now up\n", wdev->name);
wdev->state = IFS_UP;
vlist_for_each_element(&wdev->interfaces, vif, node)
- wireless_interface_handle_link(vif, true);
+ wireless_interface_handle_link(vif, NULL, true);
vlist_for_each_element(&wdev->vlans, vlan, node)
wireless_vlan_handle_link(vlan, true);
}
wdev->config = blob_memdup(wdev->config);
}
+/* vlist update call for wireless device list */
static void
wdev_update(struct vlist_tree *tree, struct vlist_node *node_new,
struct vlist_node *node_old)
}
}
+/* wireless netifd script handler */
static void
wireless_add_handler(const char *script, const char *name, json_object *obj)
{
netifd_init_script_handlers(drv_fd, wireless_add_handler);
}
+/* parse blob config into the wireless interface object */
static void
wireless_interface_init_config(struct wireless_interface *vif)
{
if (cur)
vif->isolate = blobmsg_get_bool(cur);
+ cur = tb[VIF_ATTR_PROXYARP];
+ if (cur)
+ vif->proxyarp = blobmsg_get_bool(cur);
+
cur = tb[VIF_ATTR_MODE];
if (cur)
vif->ap_mode = !strcmp(blobmsg_get_string(cur), "ap");
}
+/* vlist update call for wireless interface list */
static void
vif_update(struct vlist_tree *tree, struct vlist_node *node_new,
struct vlist_node *node_old)
}
D(WIRELESS, "Update wireless interface %s on device %s\n", vif_new->name, wdev->name);
- wireless_interface_handle_link(vif_old, false);
+ wireless_interface_handle_link(vif_old, NULL, false);
free(vif_old->config);
vif_old->config = blob_memdup(vif_new->config);
vif_old->isolate = vif_new->isolate;
wireless_interface_init_config(vif_new);
} else if (vif_old) {
D(WIRELESS, "Delete wireless interface %s on device %s\n", vif_old->name, wdev->name);
- wireless_interface_handle_link(vif_old, false);
+ wireless_interface_handle_link(vif_old, NULL, false);
free((void *) vif_old->section);
free(vif_old->config);
free(vif_old);
wdev_set_config_state(wdev, IFC_RELOAD);
}
+/* parse blob config into the vlan object */
static void
wireless_vlan_init_config(struct wireless_vlan *vlan)
{
vlan->isolate = blobmsg_get_bool(cur);
}
+/* vlist update call for vlan list */
static void
vlan_update(struct vlist_tree *tree, struct vlist_node *node_new,
struct vlist_node *node_old)
wdev_set_config_state(wdev, IFC_RELOAD);
}
+/* vlist update call for station list */
static void
station_update(struct vlist_tree *tree, struct vlist_node *node_new,
struct vlist_node *node_old)
wireless_close_script_proc_fd(wdev);
}
+/* watchdog and garbage collector for wireless processes.
+ * It cleans up terminated processes. If a process is a requirement for the wireless device, it retries the setup */
static void
wireless_device_check_script_tasks(struct uloop_timeout *timeout)
{
uloop_timeout_set(&wdev->script_check, 1000);
}
+/* creates a wireless device object. Called by config */
void
wireless_device_create(struct wireless_driver *drv, const char *name, struct blob_attr *data)
{
vlist_add(&wireless_devices, &wdev->node, wdev->name);
}
+/* creates a wireless station object. Called by config */
void
wireless_station_create(struct wireless_device *wdev, char *vif, struct blob_attr *data, const char *section)
{
vlist_add(&wdev->stations, &sta->node, sta->name);
}
+/* ubus callback network.wireless.status, runs for every interface, encode the station */
static void
wireless_station_status(struct wireless_station *sta, struct blob_buf *b)
{
blobmsg_close_table(b, i);
}
+/* create a vlan object. Called by config */
void
wireless_vlan_create(struct wireless_device *wdev, char *vif, struct blob_attr *data, const char *section)
{
vlist_add(&wdev->vlans, &vlan->node, vlan->name);
}
+/* ubus callback network.wireless.status, runs for every interface, encode the vlan informations */
static void
wireless_vlan_status(struct wireless_vlan *vlan, struct blob_buf *b)
{
blobmsg_close_table(b, i);
}
+/* create a wireless interface object. Called by config */
struct wireless_interface* wireless_interface_create(struct wireless_device *wdev, struct blob_attr *data, const char *section)
{
struct wireless_interface *vif;
return vlist_find(&wdev->interfaces, name, vif, node);
}
+/* ubus callback network.wireless.status, runs for every interface */
static void
wireless_interface_status(struct wireless_interface *iface, struct blob_buf *b)
{
blobmsg_close_table(b, i);
}
+/* ubus callback network.wireless.status */
void
wireless_device_status(struct wireless_device *wdev, struct blob_buf *b)
{
blobmsg_close_table(b, c);
}
+/* ubus callback network.wireless.get_validate */
void
wireless_device_get_validate(struct wireless_device *wdev, struct blob_buf *b)
{
blobmsg_close_table(b, c);
}
+/* ubus callback network.wireless.notify, command = set data, for vif */
static void
wireless_interface_set_data(struct wireless_interface *vif)
{
vif->ifname = blobmsg_data(cur);
}
+/* ubus callback network.wireless.notify, command = set data, for vlan */
static void
wireless_vlan_set_data(struct wireless_vlan *vlan)
{
vlan->ifname = blobmsg_data(cur);
}
+/* ubus callback network.wireless.notify, command = process add */
static int
wireless_device_add_process(struct wireless_device *wdev, struct blob_attr *data)
{
return 0;
}
+/* ubus callback network.wireless.notify, command = process kill all */
static int
wireless_device_process_kill_all(struct wireless_device *wdev, struct blob_attr *data,
struct ubus_request_data *req)
return 0;
}
+/* ubus callback network.wireless.notify, command = set_retry */
static int
wireless_device_set_retry(struct wireless_device *wdev, struct blob_attr *data)
{
NOTIFY_CMD_SET_RETRY = 4,
};
+/* ubus callback network.wireless.notify */
int
wireless_device_notify(struct wireless_device *wdev, struct blob_attr *data,
struct ubus_request_data *req)
return 0;
}
+/* called on startup and by netifd reload() */
void
wireless_start_pending(void)
{
vlist_for_each_element(&wireless_devices, wdev, node)
__wireless_device_set_up(wdev, 0);
}
+
+void wireless_device_hotplug_event(const char *name, bool add)
+{
+ struct wireless_interface *vif;
+ struct wireless_device *wdev;
+ const char *s;
+ int len;
+
+ s = strstr(name, ".sta");
+ if (s) {
+ if (strchr(s + 4, '.'))
+ return;
+
+ len = s - name;
+ } else if (!device_find(name)) {
+ len = strlen(name);
+ } else {
+ return;
+ }
+
+ vlist_for_each_element(&wireless_devices, wdev, node) {
+ vlist_for_each_element(&wdev->interfaces, vif, node) {
+ if (!vif->ifname)
+ continue;
+
+ if (strlen(vif->ifname) != len ||
+ strncmp(vif->ifname, name, len) != 0)
+ continue;
+
+ wireless_interface_handle_link(vif, name, add);
+ }
+ }
+}
projects / project / netifd.git / blobdiff