diff options
Diffstat (limited to 'net/wireless/sme.c')
| -rw-r--r-- | net/wireless/sme.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/net/wireless/sme.c b/net/wireless/sme.c index dc0fc4989d54..f4dfd5f5f2ea 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -7,6 +7,7 @@ #include <linux/etherdevice.h> #include <linux/if_arp.h> +#include <linux/slab.h> #include <linux/workqueue.h> #include <linux/wireless.h> #include <net/iw_handler.h> @@ -34,6 +35,44 @@ struct cfg80211_conn { bool auto_auth, prev_bssid_valid; }; +bool cfg80211_is_all_idle(void) +{ + struct cfg80211_registered_device *rdev; + struct wireless_dev *wdev; + bool is_all_idle = true; + + mutex_lock(&cfg80211_mutex); + + /* + * All devices must be idle as otherwise if you are actively + * scanning some new beacon hints could be learned and would + * count as new regulatory hints. + */ + list_for_each_entry(rdev, &cfg80211_rdev_list, list) { + cfg80211_lock_rdev(rdev); + list_for_each_entry(wdev, &rdev->netdev_list, list) { + wdev_lock(wdev); + if (wdev->sme_state != CFG80211_SME_IDLE) + is_all_idle = false; + wdev_unlock(wdev); + } + cfg80211_unlock_rdev(rdev); + } + + mutex_unlock(&cfg80211_mutex); + + return is_all_idle; +} + +static void disconnect_work(struct work_struct *work) +{ + if (!cfg80211_is_all_idle()) + return; + + regulatory_hint_disconnect(); +} + +static DECLARE_WORK(cfg80211_disconnect_work, disconnect_work); static int cfg80211_conn_scan(struct wireless_dev *wdev) { @@ -454,6 +493,7 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, * - and country_ie[1] which is the IE length */ regulatory_hint_11d(wdev->wiphy, + bss->channel->band, country_ie + 2, country_ie[1]); } @@ -657,6 +697,8 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL); wdev->wext.connect.ssid_len = 0; #endif + + schedule_work(&cfg80211_disconnect_work); } void cfg80211_disconnected(struct net_device *dev, u16 reason, |