ath9k: fix a regression in PS frame filter handling

Only leave filtering enabled for AP or VLAN interfaces, clear the
destination mask for all other interfaces.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Reported-by: Ben Greear <greearb@candelatech.com>
Tested-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 11 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 9dd72d8c78ec..33816091b439 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1782,6 +1782,11 @@ static int ath9k_sta_add(struct ieee80211_hw *hw,
         struct ieee80211_key_conf ps_key = { };
 
         ath_node_attach(sc, sta);
+
+        if (vif->type != NL80211_IFTYPE_AP &&
+            vif->type != NL80211_IFTYPE_AP_VLAN)
+                return 0;
+
         an->ps_key = ath_key_config(common, vif, sta, &ps_key);
 
         return 0;
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 947d5b3b6e05..41469d7a2cda 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1845,6 +1845,7 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
         struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
         struct ieee80211_sta *sta = info->control.sta;
+        struct ieee80211_vif *vif = info->control.vif;
         struct ath_softc *sc = hw->priv;
         struct ath_txq *txq = txctl->txq;
         struct ath_buf *bf;
@@ -1882,6 +1883,11 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
                 memmove(skb->data, skb->data + padsize, padpos);
         }
 
+        if ((vif && vif->type != NL80211_IFTYPE_AP &&
+                    vif->type != NL80211_IFTYPE_AP_VLAN) ||
+            !ieee80211_is_data(hdr->frame_control))
+                info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
+
         setup_frame_info(hw, skb, frmlen);
 
         /*