* 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 = {
.params = vlan_policy,
};
+enum {
+ STA_ATTR_DISABLED,
+ __STA_ATTR_MAX,
+};
+
+static const struct blobmsg_policy sta_policy[__STA_ATTR_MAX] = {
+ [STA_ATTR_DISABLED] = { .name = "disabled", .type = BLOBMSG_TYPE_BOOL },
+};
+
+static const struct uci_blob_param_list station_param = {
+ .n_params = ARRAY_SIZE(sta_policy),
+ .params = sta_policy,
+};
+
static void
wireless_handler_stop(struct wireless_device *wdev)
{
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;
- if (!dev->type->bridge_capability)
+ if (!dev->hotplug_ops)
return;
}
if (!dev)
return;
+ orig_dev = dev;
if (dev->hotplug_ops && dev->hotplug_ops->prepare)
- dev->hotplug_ops->prepare(dev);
+ dev->hotplug_ops->prepare(dev, &dev);
+
+ if (!dev || !dev->type->bridge_capability)
+ 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",
{
struct wireless_interface *vif;
struct wireless_vlan *vlan;
+ struct wireless_station *sta;
void *l, *i, *j, *k;
blob_buf_init(&b, 0);
blobmsg_close_table(&b, k);
}
blobmsg_close_table(&b, j);
+
+ j = blobmsg_open_table(&b, "stas");
+ vlist_for_each_element(&wdev->stations, sta, node) {
+ if (strcmp(sta->vif, vif->name))
+ continue;
+ k = blobmsg_open_table(&b, sta->name);
+ put_container(&b, sta->config, "config");
+ if (sta->data)
+ blobmsg_add_blob(&b, sta->data);
+ blobmsg_close_table(&b, k);
+ }
+ blobmsg_close_table(&b, j);
blobmsg_close_table(&b, i);
}
blobmsg_close_table(&b, l);
list_for_each_entry_safe(proc, tmp, &wdev->script_proc, list) {
bool check = wireless_process_check(proc);
- if (check) {
+ if (check && !proc->keep) {
D(WIRELESS, "Wireless device '%s' kill pid %d\n", wdev->name, proc->pid);
kill(proc->pid, signal);
}
{
struct wireless_interface *vif;
struct wireless_vlan *vlan;
+ struct wireless_station *sta;
wireless_handler_stop(wdev);
uloop_timeout_cancel(&wdev->script_check);
vlan->data = NULL;
vlan->ifname = NULL;
}
+ vlist_for_each_element(&wdev->stations, sta, node) {
+ free(sta->data);
+ sta->data = NULL;
+ }
}
-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, 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;
}
}
if (!iface)
continue;
- interface_handle_link(iface, vlan->ifname, up, true);
+ interface_handle_link(iface, vlan->ifname, NULL, up, true);
}
}
wireless_handler_stop(wdev);
vlist_flush_all(&wdev->interfaces);
vlist_flush_all(&wdev->vlans);
+ vlist_flush_all(&wdev->stations);
avl_delete(&wireless_devices.avl, &wdev->node.avl);
free(wdev->config);
free(wdev->prev_config);
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)
{
struct wireless_driver *drv;
char *name_str, *script_str;
- json_object *dev_config_obj, *iface_config_obj, *vlan_config_obj;
- struct uci_blob_param_list *dev_config, *iface_config, *vlan_config;
+ json_object *dev_config_obj, *iface_config_obj, *vlan_config_obj, *station_config_obj;
+ struct uci_blob_param_list *dev_config, *iface_config, *vlan_config, *station_config;
dev_config_obj = json_get_field(obj, "device", json_type_array);
iface_config_obj = json_get_field(obj, "iface", json_type_array);
vlan_config_obj = json_get_field(obj, "vlan", json_type_array);
+ station_config_obj = json_get_field(obj, "station", json_type_array);
- if (!dev_config_obj || !iface_config_obj || !vlan_config_obj)
+ if (!dev_config_obj || !iface_config_obj || !vlan_config_obj || !station_config_obj)
return;
drv = calloc_a(sizeof(*drv),
&dev_config, sizeof(*dev_config) + sizeof(void *),
&iface_config, sizeof(*iface_config) + sizeof(void *),
&vlan_config, sizeof(*vlan_config) + sizeof(void *),
+ &station_config, sizeof(*station_config) + sizeof(void *),
&name_str, strlen(name) + 1,
&script_str, strlen(script) + 1);
vlan_config->next[0] = &vlan_param;
drv->vlan.config = vlan_config;
+ station_config->n_next = 1;
+ station_config->next[0] = &station_param;
+ drv->station.config = station_config;
+
drv->device.buf = netifd_handler_parse_config(drv->device.config, dev_config_obj);
drv->interface.buf = netifd_handler_parse_config(drv->interface.config, iface_config_obj);
drv->vlan.buf = netifd_handler_parse_config(drv->vlan.config, vlan_config_obj);
+ drv->station.buf = netifd_handler_parse_config(drv->station.config, station_config_obj);
drv->node.key = drv->name;
avl_insert(&wireless_drivers, &drv->node);
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)
+{
+ struct wireless_station *sta_old = container_of(node_old, struct wireless_station, node);
+ struct wireless_station *sta_new = container_of(node_new, struct wireless_station, node);
+ struct wireless_device *wdev;
+
+ if (sta_old)
+ wdev = sta_old->wdev;
+ else
+ wdev = sta_new->wdev;
+
+ if (sta_old && sta_new) {
+ free((void *) sta_old->section);
+ sta_old->section = strdup(sta_new->section);
+ if (blob_attr_equal(sta_old->config, sta_new->config)) {
+ free(sta_new);
+ return;
+ }
+
+ D(WIRELESS, "Update wireless station %s on device %s\n", sta_new->name, wdev->name);
+ free(sta_old->config);
+ sta_old->config = blob_memdup(sta_new->config);
+ free(sta_new);
+ } else if (sta_new) {
+ D(WIRELESS, "Create new wireless station %s on device %s\n", sta_new->name, wdev->name);
+ sta_new->section = strdup(sta_new->section);
+ sta_new->config = blob_memdup(sta_new->config);
+ } else if (sta_old) {
+ D(WIRELESS, "Delete wireless station %s on device %s\n", sta_old->name, wdev->name);
+ free((void *) sta_old->section);
+ free(sta_old->config);
+ free(sta_old);
+ }
+
+ wdev_set_config_state(wdev, IFC_RELOAD);
+}
+
static void
wireless_proc_poll_fd(struct uloop_fd *fd, unsigned int events)
{
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)
{
wdev->interfaces.keep_old = true;
vlist_init(&wdev->vlans, avl_strcmp, vlan_update);
wdev->vlans.keep_old = true;
+ vlist_init(&wdev->stations, avl_strcmp, station_update);
+ wdev->stations.keep_old = true;
wdev->timeout.cb = wireless_device_setup_timeout;
wdev->script_task.cb = wireless_device_script_task_cb;
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)
+{
+ struct wireless_station *sta;
+ struct blob_attr *tb[__STA_ATTR_MAX];
+ struct blob_attr *cur;
+ char *name_buf, *vif_buf;
+ char name[8];
+
+ blobmsg_parse(sta_policy, __STA_ATTR_MAX, tb, blob_data(data), blob_len(data));
+
+ cur = tb[STA_ATTR_DISABLED];
+ if (cur && blobmsg_get_bool(cur))
+ return;
+
+ sprintf(name, "%d", wdev->vlan_idx++);
+
+ sta = calloc_a(sizeof(*sta),
+ &name_buf, strlen(name) + 1,
+ &vif_buf, strlen(vif) + 1);
+ sta->name = strcpy(name_buf, name);
+ sta->vif = strcpy(vif_buf, vif);
+ sta->wdev = wdev;
+ sta->config = data;
+ sta->section = 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)
+{
+ void *i;
+
+ i = blobmsg_open_table(b, NULL);
+ if (sta->section)
+ blobmsg_add_string(b, "section", sta->section);
+ put_container(b, sta->config, "config");
+ 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;
vif->isolate = false;
vlist_add(&wdev->interfaces, &vif->node, vif->name);
- return 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)
{
struct wireless_vlan *vlan;
+ struct wireless_station *sta;
void *i, *j;
i = blobmsg_open_table(b, NULL);
if (!strcmp(iface->name, vlan->vif))
wireless_vlan_status(vlan, b);
blobmsg_close_array(b, j);
+ j = blobmsg_open_array(b, "stations");
+ vlist_for_each_element(&iface->wdev->stations, sta, node)
+ if (!strcmp(iface->name, sta->vif))
+ wireless_station_status(sta, b);
+ blobmsg_close_array(b, j);
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)
{
PROC_ATTR_PID,
PROC_ATTR_EXE,
PROC_ATTR_REQUIRED,
+ PROC_ATTR_KEEP,
__PROC_ATTR_MAX
};
static const struct blobmsg_policy proc_policy[__PROC_ATTR_MAX] = {
[PROC_ATTR_PID] = { .name = "pid", .type = BLOBMSG_TYPE_INT32 },
[PROC_ATTR_EXE] = { .name = "exe", .type = BLOBMSG_TYPE_STRING },
[PROC_ATTR_REQUIRED] = { .name = "required", .type = BLOBMSG_TYPE_BOOL },
+ [PROC_ATTR_KEEP] = { .name = "keep", .type = BLOBMSG_TYPE_BOOL },
};
struct blob_attr *tb[__PROC_ATTR_MAX];
struct wireless_process *proc;
if (tb[PROC_ATTR_REQUIRED])
proc->required = blobmsg_get_bool(tb[PROC_ATTR_REQUIRED]);
+ if (tb[PROC_ATTR_KEEP])
+ proc->keep = blobmsg_get_bool(tb[PROC_ATTR_KEEP]);
+
D(WIRELESS, "Wireless device '%s' add pid %d\n", wdev->name, proc->pid);
list_add(&proc->list, &wdev->script_proc);
uloop_timeout_set(&wdev->script_check, 0);
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