qcacmn: Host<->FW HTT interface for HW vdev stats in BE

Define the interface for Host and FW communication required for
configuration of HW vdev stats in BE architecture and add handler
for vdev stats received from FW.

Change-Id: I5f6a703596bd1fbb5e27e6261befda25aa0c3e12
CRs-Fixed: 3067843

dp/wifi3.0/dp_main.c

@@ -5141,6 +5141,66 @@ static void dp_pdev_flush_pending_vdevs(struct dp_pdev *pdev)
 }
 #endif
 
+#ifdef QCA_VDEV_STATS_HW_OFFLOAD_SUPPORT
+/**
+ * dp_vdev_stats_hw_offload_target_config() - Send HTT command to FW
+ *                                          for enable/disable of HW vdev stats
+ * @soc: Datapath soc handle
+ * @pdev_id: INVALID_PDEV_ID for all pdevs or 0,1,2 for individual pdev
+ * @enable: flag to reprsent enable/disable of hw vdev stats
+ *
+ * Return: none
+ */
+static void dp_vdev_stats_hw_offload_target_config(struct dp_soc *soc,
+						   uint8_t pdev_id,
+						   bool enable)
+{
+	/* Check SOC level config for HW offload vdev stats support */
+	if (!wlan_cfg_get_vdev_stats_hw_offload_config(soc->wlan_cfg_ctx)) {
+		dp_debug("%pK: HW vdev offload stats is disabled", soc);
+		return;
+	}
+
+	/* Send HTT command to FW for enable of stats */
+	dp_h2t_hw_vdev_stats_config_send(soc, pdev_id, enable, false, 0);
+}
+
+/**
+ * dp_vdev_stats_hw_offload_target_clear() - Clear HW vdev stats on target
+ * @soc: Datapath soc handle
+ * @pdev_id: pdev_id (0,1,2)
+ * @bitmask: bitmask with vdev_id(s) for which stats are to be cleared on HW
+ *
+ * Return: none
+ */
+static
+void dp_vdev_stats_hw_offload_target_clear(struct dp_soc *soc, uint8_t pdev_id,
+					   uint64_t vdev_id_bitmask)
+{
+	/* Check SOC level config for HW offload vdev stats support */
+	if (!wlan_cfg_get_vdev_stats_hw_offload_config(soc->wlan_cfg_ctx)) {
+		dp_debug("%pK: HW vdev offload stats is disabled", soc);
+		return;
+	}
+
+	/* Send HTT command to FW for reset of stats */
+	dp_h2t_hw_vdev_stats_config_send(soc, pdev_id, true, true,
+					 vdev_id_bitmask);
+}
+#else
+static void
+dp_vdev_stats_hw_offload_target_config(struct dp_soc *soc, uint8_t pdev_id,
+				       bool enable)
+{
+}
+
+static
+void dp_vdev_stats_hw_offload_target_clear(struct dp_soc *soc, uint8_t pdev_id,
+					   uint64_t vdev_id_bitmask)
+{
+}
+#endif /*QCA_VDEV_STATS_HW_OFFLOAD_SUPPORT */
+
 /**
  * dp_pdev_deinit() - Deinit txrx pdev
  * @txrx_pdev: Datapath PDEV handle
@@ -5863,6 +5923,9 @@ dp_soc_attach_target_wifi3(struct cdp_soc_t *cdp_soc)
 
 	dp_runtime_init(soc);
 
+	/* Enable HW vdev offload stats if feature is supported */
+	dp_vdev_stats_hw_offload_target_config(soc, INVALID_PDEV_ID, true);
+
 	/* initialize work queue for stats processing */
 	qdf_create_work(0, &soc->htt_stats.work, htt_t2h_stats_handler, soc);
 
@@ -8594,6 +8657,9 @@ dp_txrx_host_stats_clr(struct dp_vdev *vdev, struct dp_soc *soc)
 							   vdev->vdev_id);
 	}
 
+	dp_vdev_stats_hw_offload_target_clear(soc, vdev->pdev->pdev_id,
+					      vdev->vdev_id);
+
 	DP_STATS_CLR(vdev->pdev);
 	DP_STATS_CLR(vdev->pdev->soc);
 	DP_STATS_CLR(vdev);