1 files changed, 50 insertions, 3 deletions

diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index d7dcee680728..bb677a73b7c9 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -125,7 +125,7 @@ void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata,
 
         if (!skb) {
                 printk(KERN_ERR "%s: failed to allocate buffer "
-                                        "for delba frame\n", sdata->dev->name);
+                                        "for delba frame\n", sdata->name);
                 return;
         }
 
@@ -133,10 +133,10 @@ void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata,
         mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
         memset(mgmt, 0, 24);
         memcpy(mgmt->da, da, ETH_ALEN);
-        memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
+        memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
         if (sdata->vif.type == NL80211_IFTYPE_AP ||
             sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
-                memcpy(mgmt->bssid, sdata->dev->dev_addr, ETH_ALEN);
+                memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
         else if (sdata->vif.type == NL80211_IFTYPE_STATION)
                 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
 
@@ -185,3 +185,50 @@ void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
                 spin_unlock_bh(&sta->lock);
         }
 }
+
+int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata,
+                               enum ieee80211_smps_mode smps, const u8 *da,
+                               const u8 *bssid)
+{
+        struct ieee80211_local *local = sdata->local;
+        struct sk_buff *skb;
+        struct ieee80211_mgmt *action_frame;
+
+        /* 27 = header + category + action + smps mode */
+        skb = dev_alloc_skb(27 + local->hw.extra_tx_headroom);
+        if (!skb)
+                return -ENOMEM;
+
+        skb_reserve(skb, local->hw.extra_tx_headroom);
+        action_frame = (void *)skb_put(skb, 27);
+        memcpy(action_frame->da, da, ETH_ALEN);
+        memcpy(action_frame->sa, sdata->dev->dev_addr, ETH_ALEN);
+        memcpy(action_frame->bssid, bssid, ETH_ALEN);
+        action_frame->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+                                                  IEEE80211_STYPE_ACTION);
+        action_frame->u.action.category = WLAN_CATEGORY_HT;
+        action_frame->u.action.u.ht_smps.action = WLAN_HT_ACTION_SMPS;
+        switch (smps) {
+        case IEEE80211_SMPS_AUTOMATIC:
+        case IEEE80211_SMPS_NUM_MODES:
+                WARN_ON(1);
+        case IEEE80211_SMPS_OFF:
+                action_frame->u.action.u.ht_smps.smps_control =
+                                WLAN_HT_SMPS_CONTROL_DISABLED;
+                break;
+        case IEEE80211_SMPS_STATIC:
+                action_frame->u.action.u.ht_smps.smps_control =
+                                WLAN_HT_SMPS_CONTROL_STATIC;
+                break;
+        case IEEE80211_SMPS_DYNAMIC:
+                action_frame->u.action.u.ht_smps.smps_control =
+                                WLAN_HT_SMPS_CONTROL_DYNAMIC;
+                break;
+        }
+
+        /* we'll do more on status of this frame */
+        IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
+        ieee80211_tx_skb(sdata, skb);
+
+        return 0;
+}