qcacmn: Enhance txrx_stats interface to accept multiple args

1. Enhance CDP and DP txrx_stats interface to accept multiple
   args. these agruments are passed to htt without any
   interpretation.
2. Add reset stats support

Change-Id: I65db494824d03097e20dffc828bea380b16d411f
CRs-Fixed: 2136793

dp/inc/cdp_txrx_cmn.h

@@ -865,6 +865,7 @@ static inline void cdp_flush_cache_rx_queue(ol_txrx_soc_handle soc)
 
 /**
  * cdp_txrx_stats(): function to map to host and firmware statistics
+ * Deprecated, use cdp_txrx_stats_request() instead.
  * @soc: soc handle
  * @vdev: virtual device
  * @stats: statistics option
@@ -889,6 +890,31 @@ int cdp_txrx_stats(ol_txrx_soc_handle soc, struct cdp_vdev *vdev,
 	return soc->ops->cmn_drv_ops->txrx_stats(vdev, stats);
 }
 
+/**
+ * cdp_txrx_stats_request(): function to map to host and firmware statistics
+ * @soc: soc handle
+ * @vdev: virtual device
+ * @req: stats request container
+ *
+ * return: status
+ */
+static inline
+int cdp_txrx_stats_request(ol_txrx_soc_handle soc, struct cdp_vdev *vdev,
+		struct cdp_txrx_stats_req *req)
+{
+	if (!soc || !soc->ops || !soc->ops->cmn_drv_ops || !req) {
+		QDF_TRACE(QDF_MODULE_ID_CDP, QDF_TRACE_LEVEL_DEBUG,
+				"%s: Invalid Instance:", __func__);
+		QDF_ASSERT(0);
+		return 0;
+	}
+
+	if (soc->ops->cmn_drv_ops->txrx_stats_request)
+		return soc->ops->cmn_drv_ops->txrx_stats_request(vdev, req);
+
+	return 0;
+}
+
 /**
  * cdp_txrx_intr_attach(): function to attach and configure interrupt
  * @soc: soc handle

dp/inc/cdp_txrx_cmn_struct.h

@@ -1317,4 +1317,21 @@ struct cdp_config_params {
 	uint8_t tx_flow_stop_queue_threshold;
 	uint8_t tx_flow_start_queue_offset;
 };
+
+/**
+ * cdp_txrx_stats_req: stats request wrapper
+ *	used to pass request information to cdp layer
+ * @stats: type of stats requested
+ * @param0: opaque argument 0 to be passed to htt
+ * @param1: opaque argument 1 to be passed to htt
+ * @param2: opaque argument 2 to be passed to htt
+ * @param3: opaque argument 3 to be passed to htt
+ */
+struct cdp_txrx_stats_req {
+	enum cdp_stats	stats;
+	uint32_t	param0;
+	uint32_t	param1;
+	uint32_t	param2;
+	uint32_t	param3;
+};
 #endif

dp/inc/cdp_txrx_ops.h

@@ -210,6 +210,9 @@ struct cdp_cmn_ops {
 
 	int (*txrx_stats)(struct cdp_vdev *vdev, enum cdp_stats stats);
 
+	int (*txrx_stats_request)(struct cdp_vdev *vdev,
+			struct cdp_txrx_stats_req *req);
+
 	QDF_STATUS (*display_stats)(void *psoc, uint16_t value);
 
 	void (*txrx_soc_set_nss_cfg)(ol_txrx_soc_handle soc, int config);

dp/wifi3.0/dp_main.c

@@ -4796,36 +4796,47 @@ static void dp_set_pdev_dscp_tid_map_wifi3(struct cdp_pdev *pdev_handle,
 /**
  * dp_fw_stats_process(): Process TxRX FW stats request
  * @vdev_handle: DP VDEV handle
- * @val: value passed by user
+ * @req: stats request
  *
  * return: int
  */
-static int dp_fw_stats_process(struct cdp_vdev *vdev_handle, uint32_t val)
+static int dp_fw_stats_process(struct cdp_vdev *vdev_handle,
+		struct cdp_txrx_stats_req *req)
 {
 	struct dp_vdev *vdev = (struct dp_vdev *)vdev_handle;
 	struct dp_pdev *pdev = NULL;
+	uint32_t stats = req->stats;
 
 	if (!vdev) {
 		DP_TRACE(NONE, "VDEV not found");
 		return 1;
 	}
-
 	pdev = vdev->pdev;
-	return dp_h2t_ext_stats_msg_send(pdev, val, 0, 0, 0, 0);
+
+	return dp_h2t_ext_stats_msg_send(pdev, stats, req->param0,
+				req->param1, req->param2, req->param3);
 }
 
-/*
+/**
- * dp_txrx_stats() - function to map to firmware and host stats
+ * dp_txrx_stats_request - function to map to firmware and host stats
  * @vdev: virtual handle
- * @stats: type of statistics requested
+ * @req: stats request
  *
  * Return: integer
  */
-static int dp_txrx_stats(struct cdp_vdev *vdev, enum cdp_stats stats)
+static int dp_txrx_stats_request(struct cdp_vdev *vdev,
+		struct cdp_txrx_stats_req *req)
 {
 	int host_stats;
 	int fw_stats;
+	enum cdp_stats stats;
 
+	if (!vdev || !req) {
+		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
+				"Invalid vdev/req instance");
+		return 0;
+	}
+	stats = req->stats;
 	if (stats >= CDP_TXRX_MAX_STATS)
 		return 0;
 
@@ -4842,8 +4853,11 @@ static int dp_txrx_stats(struct cdp_vdev *vdev, enum cdp_stats stats)
 		 "stats: %u fw_stats_type: %d host_stats_type: %d",
 		  stats, fw_stats, host_stats);
 
-	if (fw_stats != TXRX_FW_STATS_INVALID)
+	if (fw_stats != TXRX_FW_STATS_INVALID) {
-		return dp_fw_stats_process(vdev, fw_stats);
+		/* update request with FW stats type */
+		req->stats = fw_stats;
+		return dp_fw_stats_process(vdev, req);
+	}
 
 	if ((host_stats != TXRX_HOST_STATS_INVALID) &&
 			(host_stats <= TXRX_HOST_STATS_MAX))
@@ -4855,6 +4869,22 @@ static int dp_txrx_stats(struct cdp_vdev *vdev, enum cdp_stats stats)
 	return 0;
 }
 
+/**
+ * dp_txrx_stats() - function to map to firmware and host stats
+ * @vdev: virtual handle
+ * @stats: type of statistics requested
+ *
+ * Return: integer
+ */
+static int dp_txrx_stats(struct cdp_vdev *vdev, enum cdp_stats stats)
+{
+	struct cdp_txrx_stats_req req = {0,};
+
+	req.stats = stats;
+
+	return dp_txrx_stats_request(vdev, &req);
+}
+
 /*
  * dp_print_napi_stats(): NAPI stats
  * @soc - soc handle
@@ -5240,6 +5270,7 @@ static struct cdp_cmn_ops dp_ops_cmn = {
 	.set_vdev_dscp_tid_map = dp_set_vdev_dscp_tid_map_wifi3,
 	.set_pdev_dscp_tid_map = dp_set_pdev_dscp_tid_map_wifi3,
 	.txrx_stats = dp_txrx_stats,
+	.txrx_stats_request = dp_txrx_stats_request,
 	.txrx_set_monitor_mode = dp_vdev_set_monitor_mode,
 	.display_stats = dp_txrx_dump_stats,
 	.txrx_soc_set_nss_cfg = dp_soc_set_nss_cfg_wifi3,