mac80211: Reset the power save timer from master_start_xmit.

When a null data frame is generated from mac80211,  it goes through
master_start_xmit and not through  subif_start_xmit. Hence for the
power save timer to be triggered while sending this null data frame
also, the timer has to be reset from master_start_xmit.

Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 4278e54..0bf2272 100644 (file)
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1296,6 +1296,19 @@ int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev)
                return 0;
        }
 
+       if (!(local->hw.flags & IEEE80211_HW_NO_STACK_DYNAMIC_PS) &&
+           local->dynamic_ps_timeout > 0) {
+               if (local->hw.conf.flags & IEEE80211_CONF_PS) {
+                       ieee80211_stop_queues_by_reason(&local->hw,
+                                       IEEE80211_QUEUE_STOP_REASON_PS);
+                       queue_work(local->hw.workqueue,
+                                       &local->dynamic_ps_disable_work);
+               }
+
+               mod_timer(&local->dynamic_ps_timer, jiffies +
+                               msecs_to_jiffies(local->dynamic_ps_timeout));
+       }
+
        memset(info, 0, sizeof(*info));
 
        info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
@@ -1475,19 +1488,6 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
                goto fail;
        }
 
-       if (!(local->hw.flags & IEEE80211_HW_NO_STACK_DYNAMIC_PS) &&
-           local->dynamic_ps_timeout > 0) {
-               if (local->hw.conf.flags & IEEE80211_CONF_PS) {
-                       ieee80211_stop_queues_by_reason(&local->hw,
-                                                       IEEE80211_QUEUE_STOP_REASON_PS);
-                       queue_work(local->hw.workqueue,
-                                  &local->dynamic_ps_disable_work);
-               }
-
-               mod_timer(&local->dynamic_ps_timer, jiffies +
-                         msecs_to_jiffies(local->dynamic_ps_timeout));
-       }
-
        nh_pos = skb_network_header(skb) - skb->data;
        h_pos = skb_transport_header(skb) - skb->data;