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From:   Pradeep Kumar Chitrapu <pradeepc@codeaurora.org>
To:     ath11k@lists.infradead.org
Cc:     linux-wireless@vger.kernel.org,
        Pradeep Kumar Chitrapu <pradeepc@codeaurora.org>,
        Miles Hu <milehu@codeaurora.org>,
        John Crispin <john@phrozen.org>
Subject: [PATCH v9 1/3] ath11k: switch to using ieee80211_tx_status_ext()
Date:   Sun,  4 Apr 2021 05:52:33 -0700
Message-Id: <20210404125235.5589-2-pradeepc@codeaurora.org>
In-Reply-To: <20210404125235.5589-1-pradeepc@codeaurora.org>
References: <20210404125235.5589-1-pradeepc@codeaurora.org>
Precedence: bulk

This allows us to pass HE rates down into the stack.

Co-developed-by: Miles Hu <milehu@codeaurora.org>
Signed-off-by: Miles Hu <milehu@codeaurora.org>
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Pradeep Kumar Chitrapu <pradeepc@codeaurora.org>
---
 drivers/net/wireless/ath/ath11k/dp_tx.c | 31 ++++++++++++++++++++-----
 1 file changed, 25 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/ath/ath11k/dp_tx.c b/drivers/net/wireless/ath/ath11k/dp_tx.c
index 8bba5234f81f..f0a2e87b2454 100644
--- a/drivers/net/wireless/ath/ath11k/dp_tx.c
+++ b/drivers/net/wireless/ath/ath11k/dp_tx.c
@@ -417,9 +417,13 @@ static void ath11k_dp_tx_complete_msdu(struct ath11k *ar,
 				       struct sk_buff *msdu,
 				       struct hal_tx_status *ts)
 {
+	struct ieee80211_tx_status status = { 0 };
 	struct ath11k_base *ab = ar->ab;
 	struct ieee80211_tx_info *info;
 	struct ath11k_skb_cb *skb_cb;
+	struct ath11k_peer *peer;
+	struct ath11k_sta *arsta;
+	struct rate_info rate;
 
 	if (WARN_ON_ONCE(ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM)) {
 		/* Must not happen */
@@ -483,13 +487,28 @@ static void ath11k_dp_tx_complete_msdu(struct ath11k *ar,
 		ath11k_dp_tx_cache_peer_stats(ar, msdu, ts);
 	}
 
-	/* NOTE: Tx rate status reporting. Tx completion status does not have
-	 * necessary information (for example nss) to build the tx rate.
-	 * Might end up reporting it out-of-band from HTT stats.
-	 */
-
-	ieee80211_tx_status(ar->hw, msdu);
+	spin_lock_bh(&ab->base_lock);
+	peer = ath11k_peer_find_by_id(ab, ts->peer_id);
+	if (!peer || !peer->sta) {
+		ath11k_dbg(ab, ATH11K_DBG_DATA,
+			   "dp_tx: failed to find the peer with peer_id %d\n",
+			    ts->peer_id);
+		spin_unlock_bh(&ab->base_lock);
+		dev_kfree_skb_any(msdu);
+		goto exit;
+	}
+	arsta = (struct ath11k_sta *)peer->sta->drv_priv;
+	status.sta = peer->sta;
+	status.skb = msdu;
+	status.info = info;
+	rate = arsta->last_txrate;
+	status.rate = &rate;
+
+	spin_unlock_bh(&ab->base_lock);
+	rcu_read_unlock();
 
+	ieee80211_tx_status_ext(ar->hw, &status);
+	return;
 exit:
 	rcu_read_unlock();
 }
-- 
2.17.1