mac80211: always process blockack action from workqueue

To prepare for making the ampdu_action callback
sleep, make mac80211 always process blockack
action frames from the skb queue. This gets rid
of the current special case for managed mode
interfaces as well.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 30 insertions, 1 deletions

diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 1bf276d7024..7a3dbde9979 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -724,7 +724,36 @@ static void ieee80211_iface_work(struct work_struct *work)
 
         /* first process frames */
         while ((skb = skb_dequeue(&sdata->skb_queue))) {
-                switch (sdata->vif.type) {
+                struct ieee80211_mgmt *mgmt = (void *)skb->data;
+
+                if (ieee80211_is_action(mgmt->frame_control) &&
+                    mgmt->u.action.category == WLAN_CATEGORY_BACK) {
+                        int len = skb->len;
+                        struct sta_info *sta;
+
+                        rcu_read_lock();
+                        sta = sta_info_get(sdata, mgmt->sa);
+                        if (sta) {
+                                switch (mgmt->u.action.u.addba_req.action_code) {
+                                case WLAN_ACTION_ADDBA_REQ:
+                                        ieee80211_process_addba_request(
+                                                        local, sta, mgmt, len);
+                                        break;
+                                case WLAN_ACTION_ADDBA_RESP:
+                                        ieee80211_process_addba_resp(local, sta,
+                                                                     mgmt, len);
+                                        break;
+                                case WLAN_ACTION_DELBA:
+                                        ieee80211_process_delba(sdata, sta,
+                                                                mgmt, len);
+                                        break;
+                                default:
+                                        WARN_ON(1);
+                                        break;
+                                }
+                        }
+                        rcu_read_unlock();
+                } else switch (sdata->vif.type) {
                 case NL80211_IFTYPE_STATION:
                         ieee80211_sta_rx_queued_mgmt(sdata, skb);
                         break;