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-rw-r--r--net/wireless/core.c56
1 files changed, 43 insertions, 13 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c
index a595f712b5bf..c2a2c563d21a 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -22,6 +22,7 @@
#include "sysfs.h"
#include "debugfs.h"
#include "wext-compat.h"
+#include "ethtool.h"
/* name for sysfs, %d is appended */
#define PHY_NAME "phy"
@@ -44,6 +45,9 @@ DEFINE_MUTEX(cfg80211_mutex);
/* for debugfs */
static struct dentry *ieee80211_debugfs_dir;
+/* for the cleanup, scan and event works */
+struct workqueue_struct *cfg80211_wq;
+
/* requires cfg80211_mutex to be held! */
struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx)
{
@@ -230,7 +234,7 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev;
int err = 0;
- if (!rdev->wiphy.netnsok)
+ if (!(rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK))
return -EOPNOTSUPP;
list_for_each_entry(wdev, &rdev->netdev_list, list) {
@@ -359,11 +363,17 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
INIT_LIST_HEAD(&rdev->bss_list);
INIT_WORK(&rdev->scan_done_wk, __cfg80211_scan_done);
+#ifdef CONFIG_CFG80211_WEXT
+ rdev->wiphy.wext = &cfg80211_wext_handler;
+#endif
+
device_initialize(&rdev->wiphy.dev);
rdev->wiphy.dev.class = &ieee80211_class;
rdev->wiphy.dev.platform_data = rdev;
- rdev->wiphy.ps_default = CONFIG_CFG80211_DEFAULT_PS_VALUE;
+#ifdef CONFIG_CFG80211_DEFAULT_PS
+ rdev->wiphy.flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
+#endif
wiphy_net_set(&rdev->wiphy, &init_net);
@@ -478,7 +488,7 @@ int wiphy_register(struct wiphy *wiphy)
if (IS_ERR(rdev->wiphy.debugfsdir))
rdev->wiphy.debugfsdir = NULL;
- if (wiphy->custom_regulatory) {
+ if (wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY) {
struct regulatory_request request;
request.wiphy_idx = get_wiphy_idx(wiphy);
@@ -542,7 +552,7 @@ void wiphy_unregister(struct wiphy *wiphy)
* First remove the hardware from everywhere, this makes
* it impossible to find from userspace.
*/
- cfg80211_debugfs_rdev_del(rdev);
+ debugfs_remove_recursive(rdev->wiphy.debugfsdir);
list_del(&rdev->list);
/*
@@ -565,7 +575,6 @@ void wiphy_unregister(struct wiphy *wiphy)
cfg80211_rdev_list_generation++;
device_del(&rdev->wiphy.dev);
- debugfs_remove(rdev->wiphy.debugfsdir);
mutex_unlock(&cfg80211_mutex);
@@ -626,6 +635,10 @@ static void wdev_cleanup_work(struct work_struct *work)
dev_put(wdev->netdev);
}
+static struct device_type wiphy_type = {
+ .name = "wlan",
+};
+
static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
unsigned long state,
void *ndev)
@@ -642,6 +655,9 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
WARN_ON(wdev->iftype == NL80211_IFTYPE_UNSPECIFIED);
switch (state) {
+ case NETDEV_POST_INIT:
+ SET_NETDEV_DEVTYPE(dev, &wiphy_type);
+ break;
case NETDEV_REGISTER:
/*
* NB: cannot take rdev->mtx here because this may be
@@ -666,13 +682,14 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
wdev->netdev = dev;
wdev->sme_state = CFG80211_SME_IDLE;
mutex_unlock(&rdev->devlist_mtx);
-#ifdef CONFIG_WIRELESS_EXT
- if (!dev->wireless_handlers)
- dev->wireless_handlers = &cfg80211_wext_handler;
+#ifdef CONFIG_CFG80211_WEXT
wdev->wext.default_key = -1;
wdev->wext.default_mgmt_key = -1;
wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
- wdev->wext.ps = wdev->wiphy->ps_default;
+ if (wdev->wiphy->flags & WIPHY_FLAG_PS_ON_BY_DEFAULT)
+ wdev->wext.ps = true;
+ else
+ wdev->wext.ps = false;
wdev->wext.ps_timeout = 100;
if (rdev->ops->set_power_mgmt)
if (rdev->ops->set_power_mgmt(wdev->wiphy, dev,
@@ -682,6 +699,12 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
wdev->wext.ps = false;
}
#endif
+ if (!dev->ethtool_ops)
+ dev->ethtool_ops = &cfg80211_ethtool_ops;
+
+ if ((wdev->iftype == NL80211_IFTYPE_STATION ||
+ wdev->iftype == NL80211_IFTYPE_ADHOC) && !wdev->use_4addr)
+ dev->priv_flags |= IFF_DONT_BRIDGE;
break;
case NETDEV_GOING_DOWN:
switch (wdev->iftype) {
@@ -690,7 +713,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
break;
case NL80211_IFTYPE_STATION:
wdev_lock(wdev);
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_CFG80211_WEXT
kfree(wdev->wext.ie);
wdev->wext.ie = NULL;
wdev->wext.ie_len = 0;
@@ -707,7 +730,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
break;
case NETDEV_DOWN:
dev_hold(dev);
- schedule_work(&wdev->cleanup_work);
+ queue_work(cfg80211_wq, &wdev->cleanup_work);
break;
case NETDEV_UP:
/*
@@ -722,7 +745,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
mutex_unlock(&rdev->devlist_mtx);
dev_put(dev);
}
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_CFG80211_WEXT
cfg80211_lock_rdev(rdev);
mutex_lock(&rdev->devlist_mtx);
wdev_lock(wdev);
@@ -760,7 +783,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
sysfs_remove_link(&dev->dev.kobj, "phy80211");
list_del_init(&wdev->list);
rdev->devlist_generation++;
-#ifdef CONFIG_WIRELESS_EXT
+#ifdef CONFIG_CFG80211_WEXT
kfree(wdev->wext.keys);
#endif
}
@@ -825,8 +848,14 @@ static int __init cfg80211_init(void)
if (err)
goto out_fail_reg;
+ cfg80211_wq = create_singlethread_workqueue("cfg80211");
+ if (!cfg80211_wq)
+ goto out_fail_wq;
+
return 0;
+out_fail_wq:
+ regulatory_exit();
out_fail_reg:
debugfs_remove(ieee80211_debugfs_dir);
out_fail_nl80211:
@@ -848,5 +877,6 @@ static void cfg80211_exit(void)
wiphy_sysfs_exit();
regulatory_exit();
unregister_pernet_device(&cfg80211_pernet_ops);
+ destroy_workqueue(cfg80211_wq);
}
module_exit(cfg80211_exit);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.