qcacmn: Calculate Tx delay stat in microsecond

Add changes for computing wifi host and hardware Tx delay
in microsecond.

Change-Id: I7a54e9ee9785d878660f9e5226c315cf96064572
CRs-Fixed: 3254259

dp/wifi3.0/dp_hist.c

@@ -22,6 +22,7 @@
 #include <cdp_txrx_hist_struct.h>
 #include "dp_hist.h"
 
+#ifndef WLAN_CONFIG_TX_DELAY
 /*
  * dp_hist_sw_enq_dbucket: Sofware enqueue delay bucket in ms
  * @index_0 = 0_1 ms
@@ -59,6 +60,46 @@ static uint16_t dp_hist_sw_enq_dbucket[CDP_HIST_BUCKET_MAX] = {
  */
 static uint16_t dp_hist_fw2hw_dbucket[CDP_HIST_BUCKET_MAX] = {
 	0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 250, 500};
+#else
+/*
+ * dp_hist_sw_enq_dbucket: Sofware enqueue delay bucket in us
+ * @index_0 = 0_250 us
+ * @index_1 = 250_500 us
+ * @index_2 = 500_750 us
+ * @index_3 = 750_1000 us
+ * @index_4 = 1000_1500 us
+ * @index_5 = 1500_2000 us
+ * @index_6 = 2000_2500 us
+ * @index_7 = 2500_5000 us
+ * @index_8 = 5000_6000 us
+ * @index_9 = 6000_7000 us
+ * @index_10 = 7000_8000 us
+ * @index_11 = 8000_9000 us
+ * @index_12 = 9000+ us
+ */
+static uint16_t dp_hist_sw_enq_dbucket[CDP_HIST_BUCKET_MAX] = {
+	0, 250, 500, 750, 1000, 1500, 2000, 2500, 5000, 6000, 7000, 8000, 9000};
+
+/*
+ * cdp_hist_fw2hw_dbucket: HW enqueue to Completion Delay in us
+ * @index_0 = 0_250 us
+ * @index_1 = 250_500 us
+ * @index_2 = 500_750 us
+ * @index_3 = 750_1000 us
+ * @index_4 = 1000_1500 us
+ * @index_5 = 1500_2000 us
+ * @index_6 = 2000_2500 us
+ * @index_7 = 2500_5000 us
+ * @index_8 = 5000_6000 us
+ * @index_9 = 6000_7000 us
+ * @index_10 = 7000_8000 us
+ * @index_11 = 8000_9000 us
+ * @index_12 = 9000+ us
+ */
+
+static uint16_t dp_hist_fw2hw_dbucket[CDP_HIST_BUCKET_MAX] = {
+	0, 250, 500, 750, 1000, 1500, 2000, 2500, 5000, 6000, 7000, 8000, 9000};
+#endif
 
 /*
  * dp_hist_reap2stack_bucket: Reap to stack bucket

dp/wifi3.0/dp_stats.c

@@ -284,6 +284,7 @@ const char *mu_reception_mode[TXRX_TYPE_MU_MAX] = {
 };
 
 #ifdef QCA_ENH_V3_STATS_SUPPORT
+#ifndef WLAN_CONFIG_TX_DELAY
 const char *fw_to_hw_delay_bucket[CDP_DELAY_BUCKET_MAX + 1] = {
 	"0 to 9 ms", "10 to 19 ms",
 	"20 to 29 ms", "30 to 39 ms",
@@ -292,6 +293,16 @@ const char *fw_to_hw_delay_bucket[CDP_DELAY_BUCKET_MAX + 1] = {
 	"80 to 89 ms", "90 to 99 ms",
 	"101 to 249 ms", "250 to 499 ms", "500+ ms"
 };
+#else
+const char *fw_to_hw_delay_bucket[CDP_DELAY_BUCKET_MAX + 1] = {
+	"0 to 250 us", "250 to 500 us",
+	"500 to 750 us", "750 to 1000 us",
+	"1000 to 1500 us", "1500 to 2000 us",
+	"2000 to 2500 us", "2500 to 5000 us",
+	"5000 to 6000 us", "6000 to 7000 ms",
+	"7000 to 8000 us", "8000 to 9000 us", "9000+ us"
+};
+#endif
 #elif defined(HW_TX_DELAY_STATS_ENABLE)
 const char *fw_to_hw_delay_bucket[CDP_DELAY_BUCKET_MAX + 1] = {
 	"0 to 2 ms", "2 to 4 ms",
@@ -304,6 +315,7 @@ const char *fw_to_hw_delay_bucket[CDP_DELAY_BUCKET_MAX + 1] = {
 #endif
 
 #ifdef QCA_ENH_V3_STATS_SUPPORT
+#ifndef WLAN_CONFIG_TX_DELAY
 const char *sw_enq_delay_bucket[CDP_DELAY_BUCKET_MAX + 1] = {
 	"0 to 1 ms", "1 to 2 ms",
 	"2 to 3 ms", "3 to 4 ms",
@@ -312,6 +324,16 @@ const char *sw_enq_delay_bucket[CDP_DELAY_BUCKET_MAX + 1] = {
 	"8 to 9 ms", "9 to 10 ms",
 	"10 to 11 ms", "11 to 12 ms", "12+ ms"
 };
+#else
+const char *sw_enq_delay_bucket[CDP_DELAY_BUCKET_MAX + 1] = {
+	"0 to 250 us", "250 to 500 us",
+	"500 to 750 us", "750 to 1000 us",
+	"1000 to 1500 us", "1500 to 2000 us",
+	"2000 to 2500 us", "2500 to 5000 us",
+	"5000 to 6000 us", "6000 to 7000 ms",
+	"7000 to 8000 us", "8000 to 9000 us", "9000+ us"
+};
+#endif
 
 const char *intfrm_delay_bucket[CDP_DELAY_BUCKET_MAX + 1] = {
 	"0 to 4 ms", "5 to 9 ms",

dp/wifi3.0/dp_tx.c

@@ -3971,10 +3971,39 @@ static void dp_tx_update_peer_sawf_stats(struct dp_soc *soc,
 #endif
 
 #ifdef QCA_PEER_EXT_STATS
+#ifdef WLAN_CONFIG_TX_DELAY
+static void dp_tx_compute_tid_delay(struct cdp_delay_tid_stats *stats,
+				    struct dp_tx_desc_s *tx_desc,
+				    struct hal_tx_completion_status *ts,
+				    struct dp_vdev *vdev)
+{
+	struct dp_soc *soc = vdev->pdev->soc;
+	struct cdp_delay_tx_stats  *tx_delay = &stats->tx_delay;
+	int64_t timestamp_ingress, timestamp_hw_enqueue;
+	uint32_t sw_enqueue_delay, fwhw_transmit_delay = 0;
+
+	if (!ts->valid)
+		return;
+
+	timestamp_ingress = qdf_nbuf_get_timestamp_us(tx_desc->nbuf);
+	timestamp_hw_enqueue = qdf_ktime_to_us(tx_desc->timestamp);
+
+	sw_enqueue_delay = (uint32_t)(timestamp_hw_enqueue - timestamp_ingress);
+	dp_hist_update_stats(&tx_delay->tx_swq_delay, sw_enqueue_delay);
+
+	if (soc->arch_ops.dp_tx_compute_hw_delay)
+		if (!soc->arch_ops.dp_tx_compute_hw_delay(soc, vdev, ts,
+							  &fwhw_transmit_delay))
+			dp_hist_update_stats(&tx_delay->hwtx_delay,
+					     fwhw_transmit_delay);
+}
+#else
 /*
  * dp_tx_compute_tid_delay() - Compute per TID delay
  * @stats: Per TID delay stats
  * @tx_desc: Software Tx descriptor
+ * @ts: Tx completion status
+ * @vdev: vdev
  *
  * Compute the software enqueue and hw enqueue delays and
  * update the respective histograms
@@ -3982,7 +4011,9 @@ static void dp_tx_update_peer_sawf_stats(struct dp_soc *soc,
  * Return: void
  */
 static void dp_tx_compute_tid_delay(struct cdp_delay_tid_stats *stats,
-				    struct dp_tx_desc_s *tx_desc)
+				    struct dp_tx_desc_s *tx_desc,
+				    struct hal_tx_completion_status *ts,
+				    struct dp_vdev *vdev)
 {
 	struct cdp_delay_tx_stats  *tx_delay = &stats->tx_delay;
 	int64_t current_timestamp, timestamp_ingress, timestamp_hw_enqueue;
@@ -4001,6 +4032,7 @@ static void dp_tx_compute_tid_delay(struct cdp_delay_tid_stats *stats,
 	dp_hist_update_stats(&tx_delay->tx_swq_delay, sw_enqueue_delay);
 	dp_hist_update_stats(&tx_delay->hwtx_delay, fwhw_transmit_delay);
 }
+#endif
 
 /*
  * dp_tx_update_peer_delay_stats() - Update the peer delay stats
@@ -4016,16 +4048,19 @@ static void dp_tx_compute_tid_delay(struct cdp_delay_tid_stats *stats,
  */
 static void dp_tx_update_peer_delay_stats(struct dp_txrx_peer *txrx_peer,
 					  struct dp_tx_desc_s *tx_desc,
-					  uint8_t tid, uint8_t ring_id)
+					  struct hal_tx_completion_status *ts,
+					  uint8_t ring_id)
 {
 	struct dp_pdev *pdev = txrx_peer->vdev->pdev;
 	struct dp_soc *soc = NULL;
 	struct dp_peer_delay_stats *delay_stats = NULL;
+	uint8_t tid;
 
 	soc = pdev->soc;
 	if (qdf_likely(!wlan_cfg_is_peer_ext_stats_enabled(soc->wlan_cfg_ctx)))
 		return;
 
+	tid = ts->tid;
 	delay_stats = txrx_peer->delay_stats;
 
 	qdf_assert(delay_stats);
@@ -4038,12 +4073,14 @@ static void dp_tx_update_peer_delay_stats(struct dp_txrx_peer *txrx_peer,
 		tid = CDP_MAX_DATA_TIDS - 1;
 
 	dp_tx_compute_tid_delay(&delay_stats->delay_tid_stats[tid][ring_id],
-				tx_desc);
+				tx_desc, ts, txrx_peer->vdev);
 }
 #else
-static inline void dp_tx_update_peer_delay_stats(struct dp_txrx_peer *txrx_peer,
-						 struct dp_tx_desc_s *tx_desc,
-						 uint8_t tid, uint8_t ring_id)
+static inline
+void dp_tx_update_peer_delay_stats(struct dp_txrx_peer *txrx_peer,
+				   struct dp_tx_desc_s *tx_desc,
+				   struct hal_tx_completion_status *ts,
+				   uint8_t ring_id)
 {
 }
 #endif
@@ -4926,7 +4963,7 @@ void dp_tx_comp_process_tx_status(struct dp_soc *soc,
 	}
 
 	dp_tx_update_peer_stats(tx_desc, ts, txrx_peer, ring_id);
-	dp_tx_update_peer_delay_stats(txrx_peer, tx_desc, ts->tid, ring_id);
+	dp_tx_update_peer_delay_stats(txrx_peer, tx_desc, ts, ring_id);
 	dp_tx_update_peer_sawf_stats(soc, vdev, txrx_peer, tx_desc,
 				     ts, ts->tid);
 	dp_tx_send_pktlog(soc, vdev->pdev, tx_desc, nbuf, dp_status);