qcacmn: Counters to track when wifi firmware drops in Tx path

Incremented an counter when wifi FW drops the packet in DS mode
with reason as FW2WBM_TX_STATUS_DROP and we can dump it
via 260 output

Change-Id: Ieb52b0af6dca66732f34cc7f1cfba5c467e9507f
CRs-Fixed: 3383509

dp/inc/cdp_txrx_stats_struct.h

@@ -1914,6 +1914,7 @@ struct cdp_tx_ingress_stats {
 		uint32_t drop_ingress;
 		uint32_t invalid_peer_id_in_exc_path;
 		uint32_t tx_mcast_drop;
+		uint32_t fw2wbm_tx_drop;
 	} dropped;
 
 	/* Mesh packets info */

dp/wifi3.0/be/dp_be_tx.c

@@ -954,6 +954,34 @@ QDF_STATUS dp_sawf_tx_enqueue_fail_peer_stats(struct dp_soc *soc,
 #endif
 
 #ifdef WLAN_SUPPORT_PPEDS
+
+/*
+ * dp_ppeds_stats() - Accounting fw2wbm_tx_drop drops in Tx path
+ * @soc: Handle to DP Soc structure
+ * @peer_id: Peer ID in the descriptor
+ *
+ * Return: NONE
+ */
+
+static inline
+void dp_ppeds_stats(struct dp_soc *soc, uint16_t peer_id)
+{
+	struct dp_vdev *vdev = NULL;
+	struct dp_txrx_peer *txrx_peer = NULL;
+	dp_txrx_ref_handle txrx_ref_handle = NULL;
+
+	DP_STATS_INC(soc, tx.fw2wbm_tx_drop, 1);
+	txrx_peer = dp_txrx_peer_get_ref_by_id(soc,
+					       peer_id,
+					       &txrx_ref_handle,
+					       DP_MOD_ID_TX_COMP);
+	if (txrx_peer) {
+		vdev = txrx_peer->vdev;
+		DP_STATS_INC(vdev, tx_i.dropped.fw2wbm_tx_drop, 1);
+		dp_txrx_peer_unref_delete(txrx_ref_handle, DP_MOD_ID_TX_COMP);
+	}
+}
+
 /**
  * dp_ppeds_tx_comp_handler()- Handle tx completions for ppe2tcl ring
  * @soc: Handle to DP Soc structure
@@ -965,7 +993,7 @@ int dp_ppeds_tx_comp_handler(struct dp_soc_be *be_soc, uint32_t quota)
 {
 	uint32_t num_avail_for_reap = 0;
 	void *tx_comp_hal_desc;
-	uint8_t buf_src;
+	uint8_t buf_src, status = 0;
 	uint32_t count = 0;
 	struct dp_tx_desc_s *tx_desc = NULL;
 	struct dp_tx_desc_s *head_desc = NULL;
@@ -1026,6 +1054,10 @@ int dp_ppeds_tx_comp_handler(struct dp_soc_be *be_soc, uint32_t quota)
 		tx_desc->buffer_src = buf_src;
 
 		if (qdf_unlikely(buf_src == HAL_TX_COMP_RELEASE_SOURCE_FW)) {
+			status = hal_tx_comp_get_tx_status(tx_comp_hal_desc);
+			if (status != HTT_TX_FW2WBM_TX_STATUS_OK)
+				dp_ppeds_stats(soc, tx_desc->peer_id);
+
 			qdf_nbuf_free(tx_desc->nbuf);
 			dp_ppeds_tx_desc_free(soc, tx_desc);
 		} else {

dp/wifi3.0/be/dp_be_tx.h

@@ -227,6 +227,18 @@ void dp_tx_desc_pool_deinit_be(struct dp_soc *soc,
  * Return: Number of tx completions processed
  */
 int dp_ppeds_tx_comp_handler(struct dp_soc_be *be_soc, uint32_t quota);
+
+/*
+ * dp_ppeds_stats() - Accounting fw2wbm_tx_drop drops in Tx path
+ * @soc: Handle to DP Soc structure
+ * @peer_id: Peer ID in the descriptor
+ *
+ * Return: NONE
+ */
+
+static inline
+void dp_ppeds_stats(struct dp_soc *soc, uint16_t peer_id);
+
 #endif
 #ifdef WLAN_FEATURE_11BE_MLO
 /**

dp/wifi3.0/dp_stats.c

@@ -7476,6 +7476,8 @@ dp_print_pdev_tx_stats(struct dp_pdev *pdev)
 		       pdev->stats.tx_i.dropped.invalid_peer_id_in_exc_path);
 	DP_PRINT_STATS("	Tx Mcast Drop = %u",
 		       pdev->stats.tx_i.dropped.tx_mcast_drop);
+	DP_PRINT_STATS("	PPE-DS FW2WBM Tx Drop = %u",
+		       pdev->stats.tx_i.dropped.fw2wbm_tx_drop);
 	DP_PRINT_STATS("Tx failed = %u",
 		       pdev->stats.tx.tx_failed);
 	DP_PRINT_STATS("	FW removed Pkts = %u",
@@ -7726,6 +7728,9 @@ void dp_print_tx_ppeds_stats(struct dp_soc *soc)
 {
 	if (soc->arch_ops.dp_tx_ppeds_inuse_desc)
 		soc->arch_ops.dp_tx_ppeds_inuse_desc(soc);
+
+	DP_PRINT_STATS("PPE-DS Tx desc fw2wbm_tx_drop %u",
+		       soc->stats.tx.fw2wbm_tx_drop);
 }
 #else
 void dp_print_tx_ppeds_stats(struct dp_soc *soc)
@@ -8838,7 +8843,8 @@ void dp_update_vdev_ingress_stats(struct dp_vdev *tgtobj)
 		tgtobj->stats.tx_i.dropped.drop_ingress +
 		tgtobj->stats.tx_i.dropped.headroom_insufficient +
 		tgtobj->stats.tx_i.dropped.invalid_peer_id_in_exc_path +
-		tgtobj->stats.tx_i.dropped.tx_mcast_drop;
+		tgtobj->stats.tx_i.dropped.tx_mcast_drop +
+		tgtobj->stats.tx_i.dropped.fw2wbm_tx_drop;
 }
 
 void dp_update_vdev_rate_stats(struct cdp_vdev_stats *tgtobj,
@@ -8891,6 +8897,7 @@ void dp_update_pdev_ingress_stats(struct dp_pdev *tgtobj,
 	DP_STATS_AGGR(tgtobj, srcobj, tx_i.dropped.headroom_insufficient);
 	DP_STATS_AGGR(tgtobj, srcobj, tx_i.dropped.invalid_peer_id_in_exc_path);
 	DP_STATS_AGGR(tgtobj, srcobj, tx_i.dropped.tx_mcast_drop);
+	DP_STATS_AGGR(tgtobj, srcobj, tx_i.dropped.fw2wbm_tx_drop);
 	DP_STATS_AGGR(tgtobj, srcobj, tx_i.cce_classified);
 	DP_STATS_AGGR(tgtobj, srcobj, tx_i.cce_classified_raw);
 	DP_STATS_AGGR_PKT(tgtobj, srcobj, tx_i.sniffer_rcvd);

dp/wifi3.0/dp_types.h

@@ -1196,6 +1196,8 @@ struct dp_soc_stats {
 		uint32_t tx_comp_force_freed;
 		/* Tx completion ring near full */
 		uint32_t near_full;
+		/* Tx drops with buffer src as HAL_TX_COMP_RELEASE_SOURCE_FW */
+		uint32_t fw2wbm_tx_drop;
 	} tx;
 
 	/* SOC level RX stats */