ath10k: store txq in skb_cb

This will be necessary for later.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h
index 7df35628ca352032807c856f33841bef11a956fe..89f789f3e5b4c0fd95f7b22a55dffd6035939bcf 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/core.h
+++ b/drivers/net/wireless/ath/ath10k/core.h
@@ -98,6 +98,7 @@ struct ath10k_skb_cb {
        u8 eid;
        u16 msdu_id;
        struct ieee80211_vif *vif;
+       struct ieee80211_txq *txq;
 } __packed;
 
 struct ath10k_skb_rxcb {

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 900c64b65b43aaece79a5f711d90b6d664669e8e..8d02d53fdc2caa596b9e84279cda21e8c8afd85c 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -3307,6 +3307,7 @@ static void ath10k_tx_h_add_p2p_noa_ie(struct ath10k *ar,
 
 static void ath10k_mac_tx_h_fill_cb(struct ath10k *ar,
                                    struct ieee80211_vif *vif,
+                                   struct ieee80211_txq *txq,
                                    struct sk_buff *skb)
 {
        struct ieee80211_hdr *hdr = (void *)skb->data;
@@ -3323,6 +3324,7 @@ static void ath10k_mac_tx_h_fill_cb(struct ath10k *ar,
                cb->flags |= ATH10K_SKB_F_QOS;
 
        cb->vif = vif;
+       cb->txq = txq;
 }
 
 bool ath10k_mac_tx_frm_has_freq(struct ath10k *ar)
@@ -3633,6 +3635,9 @@ static void ath10k_mac_txq_init(struct ieee80211_txq *txq)
 static void ath10k_mac_txq_unref(struct ath10k *ar, struct ieee80211_txq *txq)
 {
        struct ath10k_txq *artxq = (void *)txq->drv_priv;
+       struct ath10k_skb_cb *cb;
+       struct sk_buff *msdu;
+       int msdu_id;
 
        if (!txq)
                return;
@@ -3641,6 +3646,14 @@ static void ath10k_mac_txq_unref(struct ath10k *ar, struct ieee80211_txq *txq)
        if (!list_empty(&artxq->list))
                list_del_init(&artxq->list);
        spin_unlock_bh(&ar->txqs_lock);
+
+       spin_lock_bh(&ar->htt.tx_lock);
+       idr_for_each_entry(&ar->htt.pending_tx, msdu, msdu_id) {
+               cb = ATH10K_SKB_CB(msdu);
+               if (cb->txq == txq)
+                       cb->txq = NULL;
+       }
+       spin_unlock_bh(&ar->htt.tx_lock);
 }
 
 static bool ath10k_mac_tx_can_push(struct ieee80211_hw *hw,
@@ -3679,7 +3692,7 @@ static int ath10k_mac_tx_push_txq(struct ieee80211_hw *hw,
                return -ENOENT;
        }
 
-       ath10k_mac_tx_h_fill_cb(ar, vif, skb);
+       ath10k_mac_tx_h_fill_cb(ar, vif, txq, skb);
 
        txmode = ath10k_mac_tx_h_get_txmode(ar, vif, sta, skb);
        txpath = ath10k_mac_tx_h_get_txpath(ar, skb, txmode);
@@ -3909,6 +3922,7 @@ static void ath10k_mac_op_tx(struct ieee80211_hw *hw,
        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
        struct ieee80211_vif *vif = info->control.vif;
        struct ieee80211_sta *sta = control->sta;
+       struct ieee80211_txq *txq = NULL;
        struct ieee80211_hdr *hdr = (void *)skb->data;
        enum ath10k_hw_txrx_mode txmode;
        enum ath10k_mac_tx_path txpath;
@@ -3917,7 +3931,7 @@ static void ath10k_mac_op_tx(struct ieee80211_hw *hw,
        bool is_presp;
        int ret;
 
-       ath10k_mac_tx_h_fill_cb(ar, vif, skb);
+       ath10k_mac_tx_h_fill_cb(ar, vif, txq, skb);
 
        txmode = ath10k_mac_tx_h_get_txmode(ar, vif, sta, skb);
        txpath = ath10k_mac_tx_h_get_txpath(ar, skb, txmode);
@@ -4985,6 +4999,7 @@ static void ath10k_remove_interface(struct ieee80211_hw *hw,
        spin_unlock_bh(&ar->data_lock);
 
        ath10k_peer_cleanup(ar, arvif->vdev_id);
+       ath10k_mac_txq_unref(ar, vif->txq);
 
        if (vif->type == NL80211_IFTYPE_MONITOR) {
                ar->monitor_arvif = NULL;