return 0;
}
+static int ieee80211_change_mac(struct net_device *dev, void *addr)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ int ret;
+
+ if (ieee80211_sdata_running(sdata))
+ return -EBUSY;
+
+ ret = eth_mac_addr(dev, addr);
+
+ if (ret == 0)
+ memcpy(sdata->vif.addr, addr, ETH_ALEN);
+
+ return ret;
+}
+
static inline int identical_mac_addr_allowed(int type1, int type2)
{
return type1 == NL80211_IFTYPE_MONITOR ||
list_for_each_entry(nsdata, &local->interfaces, list) {
struct net_device *ndev = nsdata->dev;
- if (ndev != dev && netif_running(ndev)) {
+ if (ndev != dev && ieee80211_sdata_running(nsdata)) {
/*
* Allow only a single IBSS interface to be up at any
* time. This is restricted because beacon distribution
struct net_device *ndev = nsdata->dev;
/*
- * No need to check netif_running since we do not allow
+ * No need to check running since we do not allow
* it to start up with this invalid address.
*/
- if (compare_ether_addr(null_addr, ndev->dev_addr) == 0)
+ if (compare_ether_addr(null_addr, ndev->dev_addr) == 0) {
memcpy(ndev->dev_addr,
local->hw.wiphy->perm_addr,
ETH_ALEN);
+ memcpy(ndev->perm_addr, ndev->dev_addr, ETH_ALEN);
+ }
}
/*
/* must be before the call to ieee80211_configure_filter */
local->monitors++;
if (local->monitors == 1) {
- local->hw.conf.flags |= IEEE80211_CONF_RADIOTAP;
- hw_reconf_flags |= IEEE80211_CONF_CHANGE_RADIOTAP;
+ local->hw.conf.flags |= IEEE80211_CONF_MONITOR;
+ hw_reconf_flags |= IEEE80211_CONF_CHANGE_MONITOR;
}
if (sdata->u.mntr_flags & MONITOR_FLAG_FCSFAIL)
default:
conf.vif = &sdata->vif;
conf.type = sdata->vif.type;
- conf.mac_addr = dev->dev_addr;
+ conf.mac_addr = sdata->vif.addr;
res = drv_add_interface(local, &conf);
if (res)
goto err_stop;
}
}
- if (local->open_count == 0) {
- tasklet_enable(&local->tx_pending_tasklet);
- tasklet_enable(&local->tasklet);
- }
-
/*
* set_multicast_list will be invoked by the networking core
* which will check whether any increments here were done in
if (sdata->vif.type == NL80211_IFTYPE_STATION)
ieee80211_queue_work(&local->hw, &sdata->u.mgd.work);
- netif_tx_start_all_queues(dev);
+ netif_start_queue(dev);
return 0;
err_del_interface:
/*
* Stop TX on this interface first.
*/
- netif_tx_stop_all_queues(dev);
+ netif_stop_queue(dev);
/*
* Now delete all active aggregation sessions.
local->monitors--;
if (local->monitors == 0) {
- local->hw.conf.flags &= ~IEEE80211_CONF_RADIOTAP;
- hw_reconf_flags |= IEEE80211_CONF_CHANGE_RADIOTAP;
+ local->hw.conf.flags &= ~IEEE80211_CONF_MONITOR;
+ hw_reconf_flags |= IEEE80211_CONF_CHANGE_MONITOR;
}
if (sdata->u.mntr_flags & MONITOR_FLAG_FCSFAIL)
}
/* fall through */
default:
- if (local->scan_sdata == sdata) {
- if (!local->ops->hw_scan)
- cancel_delayed_work_sync(&local->scan_work);
- /*
- * The software scan can no longer run now, so we can
- * clear out the scan_sdata reference. However, the
- * hardware scan may still be running. The complete
- * function must be prepared to handle a NULL value.
- */
- local->scan_sdata = NULL;
- /*
- * The memory barrier guarantees that another CPU
- * that is hardware-scanning will now see the fact
- * that this interface is gone.
- */
- smp_mb();
- /*
- * If software scanning, complete the scan but since
- * the scan_sdata is NULL already don't send out a
- * scan event to userspace -- the scan is incomplete.
- */
- if (test_bit(SCAN_SW_SCANNING, &local->scanning))
- ieee80211_scan_completed(&local->hw, true);
- }
+ if (local->scan_sdata == sdata)
+ ieee80211_scan_cancel(local);
/*
* Disable beaconing for AP and mesh, IBSS can't
conf.vif = &sdata->vif;
conf.type = sdata->vif.type;
- conf.mac_addr = dev->dev_addr;
+ conf.mac_addr = sdata->vif.addr;
/* disable all keys for as long as this netdev is down */
ieee80211_disable_keys(sdata);
drv_remove_interface(local, &conf);
ieee80211_recalc_ps(local, -1);
if (local->open_count == 0) {
- drv_stop(local);
-
- ieee80211_led_radio(local, false);
-
- flush_workqueue(local->workqueue);
-
- tasklet_disable(&local->tx_pending_tasklet);
- tasklet_disable(&local->tasklet);
+ ieee80211_clear_tx_pending(local);
+ ieee80211_stop_device(local);
/* no reconfiguring after stop! */
hw_reconf_flags = 0;
.ndo_start_xmit = ieee80211_subif_start_xmit,
.ndo_set_multicast_list = ieee80211_set_multicast_list,
.ndo_change_mtu = ieee80211_change_mtu,
- .ndo_set_mac_address = eth_mac_addr,
+ .ndo_set_mac_address = ieee80211_change_mac,
};
static const struct net_device_ops ieee80211_monitorif_ops = {
* and goes into the requested mode.
*/
- if (netif_running(sdata->dev))
+ if (ieee80211_sdata_running(sdata))
return -EBUSY;
/* Purge and reset type-dependent state. */
ieee80211_mandatory_rates(sdata->local,
sdata->local->hw.conf.channel->band);
sdata->drop_unencrypted = 0;
+ if (type == NL80211_IFTYPE_STATION)
+ sdata->u.mgd.use_4addr = false;
return 0;
}
goto fail;
memcpy(ndev->dev_addr, local->hw.wiphy->perm_addr, ETH_ALEN);
+ memcpy(ndev->perm_addr, ndev->dev_addr, ETH_ALEN);
SET_NETDEV_DEV(ndev, wiphy_dev(local->hw.wiphy));
/* don't use IEEE80211_DEV_TO_SUB_IF because it checks too much */
sdata = netdev_priv(ndev);
ndev->ieee80211_ptr = &sdata->wdev;
+ memcpy(sdata->vif.addr, ndev->dev_addr, ETH_ALEN);
+ memcpy(sdata->name, ndev->name, IFNAMSIZ);
/* initialise type-independent data */
sdata->wdev.wiphy = local->hw.wiphy;
/* setup type-dependent data */
ieee80211_setup_sdata(sdata, type);
+ if (params) {
+ ndev->ieee80211_ptr->use_4addr = params->use_4addr;
+ if (type == NL80211_IFTYPE_STATION)
+ sdata->u.mgd.use_4addr = params->use_4addr;
+ }
+
ret = register_netdevice(ndev);
if (ret)
goto fail;
void ieee80211_remove_interfaces(struct ieee80211_local *local)
{
struct ieee80211_sub_if_data *sdata, *tmp;
+ LIST_HEAD(unreg_list);
ASSERT_RTNL();
+ mutex_lock(&local->iflist_mtx);
list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) {
- /*
- * we cannot hold the iflist_mtx across unregister_netdevice,
- * but we only need to hold it for list modifications to lock
- * out readers since we're under the RTNL here as all other
- * writers.
- */
- mutex_lock(&local->iflist_mtx);
list_del(&sdata->list);
- mutex_unlock(&local->iflist_mtx);
- unregister_netdevice(sdata->dev);
+ unregister_netdevice_queue(sdata->dev, &unreg_list);
}
+ mutex_unlock(&local->iflist_mtx);
+ unregister_netdevice_many(&unreg_list);
}
static u32 ieee80211_idle_off(struct ieee80211_local *local,
return ieee80211_idle_off(local, "scanning");
list_for_each_entry(sdata, &local->interfaces, list) {
- if (!netif_running(sdata->dev))
+ if (!ieee80211_sdata_running(sdata))
continue;
/* do not count disabled managed interfaces */
if (sdata->vif.type == NL80211_IFTYPE_STATION &&
if (chg)
ieee80211_hw_config(local, chg);
}
+
+static int netdev_notify(struct notifier_block *nb,
+ unsigned long state,
+ void *ndev)
+{
+ struct net_device *dev = ndev;
+ struct ieee80211_sub_if_data *sdata;
+
+ if (state != NETDEV_CHANGENAME)
+ return 0;
+
+ if (!dev->ieee80211_ptr || !dev->ieee80211_ptr->wiphy)
+ return 0;
+
+ if (dev->ieee80211_ptr->wiphy->privid != mac80211_wiphy_privid)
+ return 0;
+
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ memcpy(sdata->name, sdata->name, IFNAMSIZ);
+
+ ieee80211_debugfs_rename_netdev(sdata);
+ return 0;
+}
+
+static struct notifier_block mac80211_netdev_notifier = {
+ .notifier_call = netdev_notify,
+};
+
+int ieee80211_iface_init(void)
+{
+ return register_netdevice_notifier(&mac80211_netdev_notifier);
+}
+
+void ieee80211_iface_exit(void)
+{
+ unregister_netdevice_notifier(&mac80211_netdev_notifier);
+}