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Diffstat (limited to 'net/wireless/core.c')
-rw-r--r--net/wireless/core.c121
1 files changed, 81 insertions, 40 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c
index e55e05bc4805..83ea164f16b3 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -305,30 +305,14 @@ static void cfg80211_event_work(struct work_struct *work)
void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev)
{
- struct cfg80211_iface_destroy *item;
+ struct wireless_dev *wdev, *tmp;
ASSERT_RTNL();
- spin_lock_irq(&rdev->destroy_list_lock);
- while ((item = list_first_entry_or_null(&rdev->destroy_list,
- struct cfg80211_iface_destroy,
- list))) {
- struct wireless_dev *wdev, *tmp;
- u32 nlportid = item->nlportid;
-
- list_del(&item->list);
- kfree(item);
- spin_unlock_irq(&rdev->destroy_list_lock);
-
- list_for_each_entry_safe(wdev, tmp,
- &rdev->wiphy.wdev_list, list) {
- if (nlportid == wdev->owner_nlportid)
- rdev_del_virtual_intf(rdev, wdev);
- }
-
- spin_lock_irq(&rdev->destroy_list_lock);
+ list_for_each_entry_safe(wdev, tmp, &rdev->wiphy.wdev_list, list) {
+ if (wdev->nl_owner_dead)
+ rdev_del_virtual_intf(rdev, wdev);
}
- spin_unlock_irq(&rdev->destroy_list_lock);
}
static void cfg80211_destroy_iface_wk(struct work_struct *work)
@@ -346,13 +330,47 @@ static void cfg80211_destroy_iface_wk(struct work_struct *work)
static void cfg80211_sched_scan_stop_wk(struct work_struct *work)
{
struct cfg80211_registered_device *rdev;
+ struct cfg80211_sched_scan_request *req, *tmp;
rdev = container_of(work, struct cfg80211_registered_device,
sched_scan_stop_wk);
rtnl_lock();
+ list_for_each_entry_safe(req, tmp, &rdev->sched_scan_req_list, list) {
+ if (req->nl_owner_dead)
+ cfg80211_stop_sched_scan_req(rdev, req, false);
+ }
+ rtnl_unlock();
+}
- __cfg80211_stop_sched_scan(rdev, false);
+static void cfg80211_propagate_radar_detect_wk(struct work_struct *work)
+{
+ struct cfg80211_registered_device *rdev;
+
+ rdev = container_of(work, struct cfg80211_registered_device,
+ propagate_radar_detect_wk);
+
+ rtnl_lock();
+
+ regulatory_propagate_dfs_state(&rdev->wiphy, &rdev->radar_chandef,
+ NL80211_DFS_UNAVAILABLE,
+ NL80211_RADAR_DETECTED);
+
+ rtnl_unlock();
+}
+
+static void cfg80211_propagate_cac_done_wk(struct work_struct *work)
+{
+ struct cfg80211_registered_device *rdev;
+
+ rdev = container_of(work, struct cfg80211_registered_device,
+ propagate_cac_done_wk);
+
+ rtnl_lock();
+
+ regulatory_propagate_dfs_state(&rdev->wiphy, &rdev->cac_done_chandef,
+ NL80211_DFS_AVAILABLE,
+ NL80211_RADAR_CAC_FINISHED);
rtnl_unlock();
}
@@ -436,8 +454,8 @@ use_default_name:
spin_lock_init(&rdev->beacon_registrations_lock);
spin_lock_init(&rdev->bss_lock);
INIT_LIST_HEAD(&rdev->bss_list);
+ INIT_LIST_HEAD(&rdev->sched_scan_req_list);
INIT_WORK(&rdev->scan_done_wk, __cfg80211_scan_done);
- INIT_WORK(&rdev->sched_scan_results_wk, __cfg80211_sched_scan_results);
INIT_LIST_HEAD(&rdev->mlme_unreg);
spin_lock_init(&rdev->mlme_unreg_lock);
INIT_WORK(&rdev->mlme_unreg_wk, cfg80211_mlme_unreg_wk);
@@ -452,10 +470,12 @@ use_default_name:
rdev->wiphy.dev.platform_data = rdev;
device_enable_async_suspend(&rdev->wiphy.dev);
- INIT_LIST_HEAD(&rdev->destroy_list);
- spin_lock_init(&rdev->destroy_list_lock);
INIT_WORK(&rdev->destroy_work, cfg80211_destroy_iface_wk);
INIT_WORK(&rdev->sched_scan_stop_wk, cfg80211_sched_scan_stop_wk);
+ INIT_WORK(&rdev->sched_scan_res_wk, cfg80211_sched_scan_results_wk);
+ INIT_WORK(&rdev->propagate_radar_detect_wk,
+ cfg80211_propagate_radar_detect_wk);
+ INIT_WORK(&rdev->propagate_cac_done_wk, cfg80211_propagate_cac_done_wk);
#ifdef CONFIG_CFG80211_DEFAULT_PS
rdev->wiphy.flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
@@ -915,6 +935,8 @@ void wiphy_unregister(struct wiphy *wiphy)
flush_work(&rdev->destroy_work);
flush_work(&rdev->sched_scan_stop_wk);
flush_work(&rdev->mlme_unreg_wk);
+ flush_work(&rdev->propagate_radar_detect_wk);
+ flush_work(&rdev->propagate_cac_done_wk);
#ifdef CONFIG_PM
if (rdev->wiphy.wowlan_config && rdev->ops->set_wakeup)
@@ -954,6 +976,12 @@ void wiphy_rfkill_set_hw_state(struct wiphy *wiphy, bool blocked)
}
EXPORT_SYMBOL(wiphy_rfkill_set_hw_state);
+void cfg80211_cqm_config_free(struct wireless_dev *wdev)
+{
+ kfree(wdev->cqm_config);
+ wdev->cqm_config = NULL;
+}
+
void cfg80211_unregister_wdev(struct wireless_dev *wdev)
{
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
@@ -980,6 +1008,8 @@ void cfg80211_unregister_wdev(struct wireless_dev *wdev)
WARN_ON_ONCE(1);
break;
}
+
+ cfg80211_cqm_config_free(wdev);
}
EXPORT_SYMBOL(cfg80211_unregister_wdev);
@@ -1001,7 +1031,7 @@ void __cfg80211_leave(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev)
{
struct net_device *dev = wdev->netdev;
- struct cfg80211_sched_scan_request *sched_scan_req;
+ struct cfg80211_sched_scan_request *pos, *tmp;
ASSERT_RTNL();
ASSERT_WDEV_LOCK(wdev);
@@ -1012,9 +1042,11 @@ void __cfg80211_leave(struct cfg80211_registered_device *rdev,
break;
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_STATION:
- sched_scan_req = rtnl_dereference(rdev->sched_scan_req);
- if (sched_scan_req && dev == sched_scan_req->dev)
- __cfg80211_stop_sched_scan(rdev, false);
+ list_for_each_entry_safe(pos, tmp, &rdev->sched_scan_req_list,
+ list) {
+ if (dev == pos->dev)
+ cfg80211_stop_sched_scan_req(rdev, pos, false);
+ }
#ifdef CONFIG_CFG80211_WEXT
kfree(wdev->wext.ie);
@@ -1089,7 +1121,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
struct net_device *dev = netdev_notifier_info_to_dev(ptr);
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_registered_device *rdev;
- struct cfg80211_sched_scan_request *sched_scan_req;
+ struct cfg80211_sched_scan_request *pos, *tmp;
if (!wdev)
return NOTIFY_DONE;
@@ -1114,7 +1146,15 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
INIT_LIST_HEAD(&wdev->mgmt_registrations);
spin_lock_init(&wdev->mgmt_registrations_lock);
- wdev->identifier = ++rdev->wdev_id;
+ /*
+ * We get here also when the interface changes network namespaces,
+ * as it's registered into the new one, but we don't want it to
+ * change ID in that case. Checking if the ID is already assigned
+ * works, because 0 isn't considered a valid ID and the memory is
+ * 0-initialized.
+ */
+ if (!wdev->identifier)
+ wdev->identifier = ++rdev->wdev_id;
list_add_rcu(&wdev->list, &rdev->wiphy.wdev_list);
rdev->devlist_generation++;
/* can only change netns with wiphy */
@@ -1158,10 +1198,10 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
___cfg80211_scan_done(rdev, false);
}
- sched_scan_req = rtnl_dereference(rdev->sched_scan_req);
- if (WARN_ON(sched_scan_req &&
- sched_scan_req->dev == wdev->netdev)) {
- __cfg80211_stop_sched_scan(rdev, false);
+ list_for_each_entry_safe(pos, tmp,
+ &rdev->sched_scan_req_list, list) {
+ if (WARN_ON(pos && pos->dev == wdev->netdev))
+ cfg80211_stop_sched_scan_req(rdev, pos, false);
}
rdev->opencount--;
@@ -1208,12 +1248,12 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
*/
if ((wdev->iftype == NL80211_IFTYPE_STATION ||
wdev->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
- rdev->ops->set_power_mgmt)
- if (rdev_set_power_mgmt(rdev, dev, wdev->ps,
- wdev->ps_timeout)) {
- /* assume this means it's off */
- wdev->ps = false;
- }
+ rdev->ops->set_power_mgmt &&
+ rdev_set_power_mgmt(rdev, dev, wdev->ps,
+ wdev->ps_timeout)) {
+ /* assume this means it's off */
+ wdev->ps = false;
+ }
break;
case NETDEV_UNREGISTER:
/*
@@ -1234,6 +1274,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
kzfree(wdev->wext.keys);
#endif
flush_work(&wdev->disconnect_wk);
+ cfg80211_cqm_config_free(wdev);
}
/*
* synchronise (so that we won't find this netdev
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2025-01-01 04:50:27 +0000