summaryrefslogtreecommitdiffstats
path: root/net/mac80211/util.c
diff options
context:
space:
mode:
authorArik Nemtsov <arik@wizery.com>2014-10-22 12:30:59 +0300
committerJohannes Berg <johannes.berg@intel.com>2014-10-23 20:40:03 +0200
commit0fc1e0495fd6e261e75acdbe66b53e769e5ffb81 (patch)
tree01f0e5c9cb8b8c834224ca10161d152f4f5a8307 /net/mac80211/util.c
parent2bad7748b332d7218377287248eb66c25de033b2 (diff)
downloadblackbird-op-linux-0fc1e0495fd6e261e75acdbe66b53e769e5ffb81.tar.gz
blackbird-op-linux-0fc1e0495fd6e261e75acdbe66b53e769e5ffb81.zip
mac80211: expose API allowing station iteration
Allow drivers to iterate all stations currently uploaded to them. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/util.c')
-rw-r--r--net/mac80211/util.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 9247a960ea59..666aa1306c45 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -693,6 +693,34 @@ void ieee80211_iterate_active_interfaces_rtnl(
}
EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces_rtnl);
+static void __iterate_stations(struct ieee80211_local *local,
+ void (*iterator)(void *data,
+ struct ieee80211_sta *sta),
+ void *data)
+{
+ struct sta_info *sta;
+
+ list_for_each_entry_rcu(sta, &local->sta_list, list) {
+ if (!sta->uploaded)
+ continue;
+
+ iterator(data, &sta->sta);
+ }
+}
+
+void ieee80211_iterate_stations_atomic(struct ieee80211_hw *hw,
+ void (*iterator)(void *data,
+ struct ieee80211_sta *sta),
+ void *data)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+
+ rcu_read_lock();
+ __iterate_stations(local, iterator, data);
+ rcu_read_unlock();
+}
+EXPORT_SYMBOL_GPL(ieee80211_iterate_stations_atomic);
+
struct ieee80211_vif *wdev_to_ieee80211_vif(struct wireless_dev *wdev)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
OpenPOWER on IntegriCloud