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Diffstat (limited to 'net/wireless/core.c')
-rw-r--r--net/wireless/core.c79
1 files changed, 21 insertions, 58 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c
index eb60410ae588..31b40cc4a9c3 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -176,7 +176,9 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
if (!(rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK))
return -EOPNOTSUPP;
- list_for_each_entry(wdev, &rdev->netdev_list, list) {
+ list_for_each_entry(wdev, &rdev->wdev_list, list) {
+ if (!wdev->netdev)
+ continue;
wdev->netdev->features &= ~NETIF_F_NETNS_LOCAL;
err = dev_change_net_namespace(wdev->netdev, net, "wlan%d");
if (err)
@@ -188,8 +190,10 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
/* failed -- clean up to old netns */
net = wiphy_net(&rdev->wiphy);
- list_for_each_entry_continue_reverse(wdev, &rdev->netdev_list,
+ list_for_each_entry_continue_reverse(wdev, &rdev->wdev_list,
list) {
+ if (!wdev->netdev)
+ continue;
wdev->netdev->features &= ~NETIF_F_NETNS_LOCAL;
err = dev_change_net_namespace(wdev->netdev, net,
"wlan%d");
@@ -226,8 +230,9 @@ static int cfg80211_rfkill_set_block(void *data, bool blocked)
rtnl_lock();
mutex_lock(&rdev->devlist_mtx);
- list_for_each_entry(wdev, &rdev->netdev_list, list)
- dev_close(wdev->netdev);
+ list_for_each_entry(wdev, &rdev->wdev_list, list)
+ if (wdev->netdev)
+ dev_close(wdev->netdev);
mutex_unlock(&rdev->devlist_mtx);
rtnl_unlock();
@@ -304,7 +309,7 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
mutex_init(&rdev->mtx);
mutex_init(&rdev->devlist_mtx);
mutex_init(&rdev->sched_scan_mtx);
- INIT_LIST_HEAD(&rdev->netdev_list);
+ INIT_LIST_HEAD(&rdev->wdev_list);
spin_lock_init(&rdev->bss_lock);
INIT_LIST_HEAD(&rdev->bss_list);
INIT_WORK(&rdev->scan_done_wk, __cfg80211_scan_done);
@@ -537,7 +542,7 @@ int wiphy_register(struct wiphy *wiphy)
}
/* set up regulatory info */
- regulatory_update(wiphy, NL80211_REGDOM_SET_BY_CORE);
+ wiphy_regulatory_register(wiphy);
list_add_rcu(&rdev->list, &cfg80211_rdev_list);
cfg80211_rdev_list_generation++;
@@ -622,7 +627,7 @@ void wiphy_unregister(struct wiphy *wiphy)
__count == 0; }));
mutex_lock(&rdev->devlist_mtx);
- BUG_ON(!list_empty(&rdev->netdev_list));
+ BUG_ON(!list_empty(&rdev->wdev_list));
mutex_unlock(&rdev->devlist_mtx);
/*
@@ -647,9 +652,11 @@ void wiphy_unregister(struct wiphy *wiphy)
/* nothing */
cfg80211_unlock_rdev(rdev);
- /* If this device got a regulatory hint tell core its
- * free to listen now to a new shiny device regulatory hint */
- reg_device_remove(wiphy);
+ /*
+ * If this device got a regulatory hint tell core its
+ * free to listen now to a new shiny device regulatory hint
+ */
+ wiphy_regulatory_deregister(wiphy);
cfg80211_rdev_list_generation++;
device_del(&rdev->wiphy.dev);
@@ -703,7 +710,7 @@ static void wdev_cleanup_work(struct work_struct *work)
cfg80211_lock_rdev(rdev);
- if (WARN_ON(rdev->scan_req && rdev->scan_req->dev == wdev->netdev)) {
+ if (WARN_ON(rdev->scan_req && rdev->scan_req->wdev == wdev)) {
rdev->scan_req->aborted = true;
___cfg80211_scan_done(rdev, true);
}
@@ -731,59 +738,14 @@ static struct device_type wiphy_type = {
.name = "wlan",
};
-static struct ieee80211_channel *
-cfg80211_get_any_chan(struct cfg80211_registered_device *rdev)
-{
- struct ieee80211_supported_band *sband;
- int i;
-
- for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
- sband = rdev->wiphy.bands[i];
- if (sband && sband->n_channels > 0)
- return &sband->channels[0];
- }
-
- return NULL;
-}
-
-static void cfg80211_init_mon_chan(struct cfg80211_registered_device *rdev)
-{
- struct ieee80211_channel *chan;
-
- chan = cfg80211_get_any_chan(rdev);
- if (WARN_ON(!chan))
- return;
-
- mutex_lock(&rdev->devlist_mtx);
- WARN_ON(cfg80211_set_monitor_channel(rdev, chan->center_freq,
- NL80211_CHAN_NO_HT));
- mutex_unlock(&rdev->devlist_mtx);
-}
-
void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev,
enum nl80211_iftype iftype, int num)
{
- bool has_monitors_only_old = cfg80211_has_monitors_only(rdev);
- bool has_monitors_only_new;
-
ASSERT_RTNL();
rdev->num_running_ifaces += num;
if (iftype == NL80211_IFTYPE_MONITOR)
rdev->num_running_monitor_ifaces += num;
-
- has_monitors_only_new = cfg80211_has_monitors_only(rdev);
- if (has_monitors_only_new != has_monitors_only_old) {
- rdev->ops->set_monitor_enabled(&rdev->wiphy,
- has_monitors_only_new);
-
- if (!has_monitors_only_new) {
- rdev->monitor_channel = NULL;
- rdev->monitor_channel_type = NL80211_CHAN_NO_HT;
- } else {
- cfg80211_init_mon_chan(rdev);
- }
- }
}
static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
@@ -820,7 +782,8 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
spin_lock_init(&wdev->mgmt_registrations_lock);
mutex_lock(&rdev->devlist_mtx);
- list_add_rcu(&wdev->list, &rdev->netdev_list);
+ wdev->identifier = ++rdev->wdev_id;
+ list_add_rcu(&wdev->list, &rdev->wdev_list);
rdev->devlist_generation++;
/* can only change netns with wiphy */
dev->features |= NETIF_F_NETNS_LOCAL;
@@ -905,6 +868,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
mutex_unlock(&rdev->devlist_mtx);
dev_put(dev);
}
+ cfg80211_update_iface_num(rdev, wdev->iftype, 1);
cfg80211_lock_rdev(rdev);
mutex_lock(&rdev->devlist_mtx);
wdev_lock(wdev);
@@ -999,7 +963,6 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
mutex_unlock(&rdev->devlist_mtx);
if (ret)
return notifier_from_errno(ret);
- cfg80211_update_iface_num(rdev, wdev->iftype, 1);
break;
}
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-25 04:43:54 +0000