mac80211: fix wrong Rx A-MPDU control via debugfs

This patch eliminate the use of buf_size as a trigger in favor of a new
flag to control Rx A-MPDU sessions through debugfs

Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 5 insertions, 2 deletions

diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index fc2c1a192ed2..62354de0199f 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -230,11 +230,13 @@ static ssize_t sta_agg_status_write(struct file *file,
                         strcpy(state, "off ");
                         ieee80211_sta_stop_rx_ba_session(dev, da, tid_num, 0,
                                         WLAN_REASON_QSTA_REQUIRE_SETUP);
-                        sta->ampdu_mlme.tid_rx[tid_num].buf_size = 0xFF;
+                        sta->ampdu_mlme.tid_rx[tid_num].state |=
+                                        HT_AGG_STATE_DEBUGFS_CTL;
                         tid_static_rx[tid_num] = 0;
                 } else {
                         strcpy(state, "on ");
-                        sta->ampdu_mlme.tid_rx[tid_num].buf_size = 0x00;
+                        sta->ampdu_mlme.tid_rx[tid_num].state &=
+                                        ~HT_AGG_STATE_DEBUGFS_CTL;
                         tid_static_rx[tid_num] = 1;
                 }
                 printk(KERN_DEBUG "debugfs - try switching tid %u %s\n",
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index f166c8039f2b..5d6b43652e18 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -63,6 +63,7 @@ enum ieee80211_sta_info_flags {
 #define HT_AGG_STATE_OPERATIONAL        (HT_ADDBA_REQUESTED_MSK |       \
                                          HT_ADDBA_DRV_READY_MSK |       \
                                          HT_ADDBA_RECEIVED_MSK)
+#define HT_AGG_STATE_DEBUGFS_CTL        BIT(7)
 
 /**
  * struct tid_ampdu_tx - TID aggregation information (Tx).