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Diffstat (limited to 'net/mac80211/mesh_ps.c')
-rw-r--r--net/mac80211/mesh_ps.c33
1 files changed, 18 insertions, 15 deletions
diff --git a/net/mac80211/mesh_ps.c b/net/mac80211/mesh_ps.c
index 22290a929b94..0f79b78b5e86 100644
--- a/net/mac80211/mesh_ps.c
+++ b/net/mac80211/mesh_ps.c
@@ -152,6 +152,9 @@ u32 ieee80211_mps_set_sta_local_pm(struct sta_info *sta,
{
struct ieee80211_sub_if_data *sdata = sta->sdata;
+ if (sta->local_pm == pm)
+ return 0;
+
mps_dbg(sdata, "local STA operates in mode %d with %pM\n",
pm, sta->sta.addr);
@@ -245,6 +248,14 @@ void ieee80211_mps_sta_status_update(struct sta_info *sta)
do_buffer = (pm != NL80211_MESH_POWER_ACTIVE);
+ /* clear the MPSP flags for non-peers or active STA */
+ if (sta->plink_state != NL80211_PLINK_ESTAB) {
+ clear_sta_flag(sta, WLAN_STA_MPSP_OWNER);
+ clear_sta_flag(sta, WLAN_STA_MPSP_RECIPIENT);
+ } else if (!do_buffer) {
+ clear_sta_flag(sta, WLAN_STA_MPSP_OWNER);
+ }
+
/* Don't let the same PS state be set twice */
if (test_sta_flag(sta, WLAN_STA_PS_STA) == do_buffer)
return;
@@ -257,14 +268,6 @@ void ieee80211_mps_sta_status_update(struct sta_info *sta)
} else {
ieee80211_sta_ps_deliver_wakeup(sta);
}
-
- /* clear the MPSP flags for non-peers or active STA */
- if (sta->plink_state != NL80211_PLINK_ESTAB) {
- clear_sta_flag(sta, WLAN_STA_MPSP_OWNER);
- clear_sta_flag(sta, WLAN_STA_MPSP_RECIPIENT);
- } else if (!do_buffer) {
- clear_sta_flag(sta, WLAN_STA_MPSP_OWNER);
- }
}
static void mps_set_sta_peer_pm(struct sta_info *sta,
@@ -444,8 +447,7 @@ static void mpsp_qos_null_append(struct sta_info *sta,
*/
static void mps_frame_deliver(struct sta_info *sta, int n_frames)
{
- struct ieee80211_sub_if_data *sdata = sta->sdata;
- struct ieee80211_local *local = sdata->local;
+ struct ieee80211_local *local = sta->sdata->local;
int ac;
struct sk_buff_head frames;
struct sk_buff *skb;
@@ -558,10 +560,10 @@ void ieee80211_mpsp_trigger_process(u8 *qc, struct sta_info *sta,
}
/**
- * ieee80211_mps_frame_release - release buffered frames in response to beacon
+ * ieee80211_mps_frame_release - release frames buffered due to mesh power save
*
* @sta: mesh STA
- * @elems: beacon IEs
+ * @elems: IEs of beacon or probe response
*
* For peers if we have individually-addressed frames buffered or the peer
* indicates buffered frames, send a corresponding MPSP trigger frame. Since
@@ -588,9 +590,10 @@ void ieee80211_mps_frame_release(struct sta_info *sta,
(!elems->awake_window || !le16_to_cpu(*elems->awake_window)))
return;
- for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
- buffer_local += skb_queue_len(&sta->ps_tx_buf[ac]) +
- skb_queue_len(&sta->tx_filtered[ac]);
+ if (!test_sta_flag(sta, WLAN_STA_MPSP_OWNER))
+ for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
+ buffer_local += skb_queue_len(&sta->ps_tx_buf[ac]) +
+ skb_queue_len(&sta->tx_filtered[ac]);
if (!has_buffered && !buffer_local)
return;