1 files changed, 54 insertions, 27 deletions

diff --git a/drivers/net/wireless/ath/ath10k/txrx.c b/drivers/net/wireless/ath/ath10k/txrx.c
index d4986f626c35..493bfb410aff 100644
--- a/drivers/net/wireless/ath/ath10k/txrx.c
+++ b/drivers/net/wireless/ath/ath10k/txrx.c
@@ -1,18 +1,8 @@
+// SPDX-License-Identifier: ISC
 /*
  * Copyright (c) 2005-2011 Atheros Communications Inc.
- * Copyright (c) 2011-2013 Qualcomm Atheros, Inc.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ * Copyright (c) 2011-2016 Qualcomm Atheros, Inc.
+ * Copyright (c) 2018, The Linux Foundation. All rights reserved.
  */
 
 #include "core.h"
@@ -45,7 +35,7 @@ static void ath10k_report_offchan_tx(struct ath10k *ar, struct sk_buff *skb)
 	complete(&ar->offchan_tx_completed);
 	ar->offchan_tx_skb = NULL; /* just for sanity */
 
-	ath10k_dbg(ar, ATH10K_DBG_HTT, "completed offchannel skb %pK\n", skb);
+	ath10k_dbg(ar, ATH10K_DBG_HTT, "completed offchannel skb %p\n", skb);
 out:
 	spin_unlock_bh(&ar->data_lock);
 }
@@ -53,6 +43,7 @@ out:
 int ath10k_txrx_tx_unref(struct ath10k_htt *htt,
 			 const struct htt_tx_done *tx_done)
 {
+	struct ieee80211_tx_status status;
 	struct ath10k *ar = htt->ar;
 	struct device *dev = ar->dev;
 	struct ieee80211_tx_info *info;
@@ -60,6 +51,7 @@ int ath10k_txrx_tx_unref(struct ath10k_htt *htt,
 	struct ath10k_skb_cb *skb_cb;
 	struct ath10k_txq *artxq;
 	struct sk_buff *msdu;
+	u8 flags;
 
 	ath10k_dbg(ar, ATH10K_DBG_HTT,
 		   "htt tx completion msdu_id %u status %d\n",
@@ -88,36 +80,68 @@ int ath10k_txrx_tx_unref(struct ath10k_htt *htt,
 		artxq->num_fw_queued--;
 	}
 
+	flags = skb_cb->flags;
 	ath10k_htt_tx_free_msdu_id(htt, tx_done->msdu_id);
 	ath10k_htt_tx_dec_pending(htt);
-	if (htt->num_pending_tx == 0)
-		wake_up(&htt->empty_tx_wq);
 	spin_unlock_bh(&htt->tx_lock);
 
-	dma_unmap_single(dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
+	rcu_read_lock();
+	if (txq && txq->sta && skb_cb->airtime_est)
+		ieee80211_sta_register_airtime(txq->sta, txq->tid,
+					       skb_cb->airtime_est, 0);
+	rcu_read_unlock();
+
+	if (ar->bus_param.dev_type != ATH10K_DEV_TYPE_HL)
+		dma_unmap_single(dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
 
 	ath10k_report_offchan_tx(htt->ar, msdu);
 
 	info = IEEE80211_SKB_CB(msdu);
 	memset(&info->status, 0, sizeof(info->status));
-	trace_ath10k_txrx_tx_unref(ar, tx_done->msdu_id);
+	info->status.rates[0].idx = -1;
 
-	if (tx_done->status == HTT_TX_COMPL_STATE_DISCARD) {
-		ieee80211_free_txskb(htt->ar->hw, msdu);
-		return 0;
-	}
+	trace_ath10k_txrx_tx_unref(ar, tx_done->msdu_id);
 
-	if (!(info->flags & IEEE80211_TX_CTL_NO_ACK))
+	if (!(info->flags & IEEE80211_TX_CTL_NO_ACK) &&
+	    !(flags & ATH10K_SKB_F_NOACK_TID))
 		info->flags |= IEEE80211_TX_STAT_ACK;
 
 	if (tx_done->status == HTT_TX_COMPL_STATE_NOACK)
 		info->flags &= ~IEEE80211_TX_STAT_ACK;
 
 	if ((tx_done->status == HTT_TX_COMPL_STATE_ACK) &&
-	    (info->flags & IEEE80211_TX_CTL_NO_ACK))
+	    ((info->flags & IEEE80211_TX_CTL_NO_ACK) ||
+	    (flags & ATH10K_SKB_F_NOACK_TID)))
 		info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
 
-	ieee80211_tx_status(htt->ar->hw, msdu);
+	if (tx_done->status == HTT_TX_COMPL_STATE_DISCARD) {
+		if ((info->flags & IEEE80211_TX_CTL_NO_ACK) ||
+		    (flags & ATH10K_SKB_F_NOACK_TID))
+			info->flags &= ~IEEE80211_TX_STAT_NOACK_TRANSMITTED;
+		else
+			info->flags &= ~IEEE80211_TX_STAT_ACK;
+	}
+
+	if (tx_done->status == HTT_TX_COMPL_STATE_ACK &&
+	    tx_done->ack_rssi != ATH10K_INVALID_RSSI) {
+		info->status.ack_signal = ATH10K_DEFAULT_NOISE_FLOOR +
+						tx_done->ack_rssi;
+		info->status.flags |= IEEE80211_TX_STATUS_ACK_SIGNAL_VALID;
+	}
+
+	memset(&status, 0, sizeof(status));
+	status.skb = msdu;
+	status.info = info;
+
+	rcu_read_lock();
+
+	if (txq)
+		status.sta = txq->sta;
+
+	ieee80211_tx_status_ext(htt->ar->hw, &status);
+
+	rcu_read_unlock();
+
 	/* we do not own the msdu anymore */
 
 	return 0;
@@ -146,6 +170,9 @@ struct ath10k_peer *ath10k_peer_find_by_id(struct ath10k *ar, int peer_id)
 {
 	struct ath10k_peer *peer;
 
+	if (peer_id >= BITS_PER_TYPE(peer->peer_ids))
+		return NULL;
+
 	lockdep_assert_held(&ar->data_lock);
 
 	list_for_each_entry(peer, &ar->peers, list)
@@ -195,7 +222,7 @@ void ath10k_peer_map_event(struct ath10k_htt *htt,
 
 	if (ev->peer_id >= ATH10K_MAX_NUM_PEER_IDS) {
 		ath10k_warn(ar,
-			    "received htt peer map event with idx out of bounds: %hu\n",
+			    "received htt peer map event with idx out of bounds: %u\n",
 			    ev->peer_id);
 		return;
 	}
@@ -231,7 +258,7 @@ void ath10k_peer_unmap_event(struct ath10k_htt *htt,
 
 	if (ev->peer_id >= ATH10K_MAX_NUM_PEER_IDS) {
 		ath10k_warn(ar,
-			    "received htt peer unmap event with idx out of bounds: %hu\n",
+			    "received htt peer unmap event with idx out of bounds: %u\n",
 			    ev->peer_id);
 		return;
 	}