qcacmn: Propagate config parameters to datapath

Provide an API to accept the config parameters
from the upper layer and store them in wlan_cfg_ctx.
Enable/Disable the datapath features based on these
parameters.

Change-Id: Icbdc835a51a6fea87c06174e9fc63d5d007aec1d
CRs-Fixed: 2097229

dp/inc/cdp_txrx_cmn.h

@@ -100,7 +100,7 @@ static inline struct cdp_pdev *cdp_pdev_attach
 {
 	if (soc->ops->cmn_drv_ops->txrx_pdev_attach)
 		return soc->ops->cmn_drv_ops->txrx_pdev_attach(soc, ctrl_pdev,
-			htc_pdev, osdev, pdev_id);
+						htc_pdev, osdev, pdev_id);
 	return NULL;
 }
 
@@ -559,4 +559,24 @@ static inline int cdp_set_pn_check(ol_txrx_soc_handle soc,
 	return 0;
 }
 
+/**
+ * cdp_update_config_parameters(): function to propagate configuration
+ *                                 parameters to datapath
+ * @soc: opaque soc handle
+ * @cfg: configuration handle
+ *
+ * Return: status: 0 - Success, non-zero: Failure
+ */
+static inline
+QDF_STATUS cdp_update_config_parameters(ol_txrx_soc_handle soc,
+	struct cdp_config_params *cfg)
+{
+	struct cdp_soc *psoc = (struct cdp_soc *)soc;
+
+	if (soc->ops->cmn_drv_ops->update_config_parameters)
+		return soc->ops->cmn_drv_ops->update_config_parameters(psoc,
+									cfg);
+
+	return QDF_STATUS_SUCCESS;
+}
 #endif /* _CDP_TXRX_CMN_H_ */

dp/inc/cdp_txrx_cmn_struct.h

@@ -1282,4 +1282,26 @@ struct cdp_rx_indication_msdu {
 		 resvd1:19;
 	struct cdp_rate_stats extd;
 };
+
+/**
+ * struct cdp_config_params - Propagate configuration parameters to datapath
+ * @tso_enable: Enable/Disable TSO
+ * @lro_enable: Enable/Disable LRO
+ * @flow_steering_enable: Enable/Disable Rx Hash
+ * @tcp_Udp_ChecksumOffload: Enable/Disable tcp-Udp checksum Offload
+ * @napi_enable: Enable/Disable Napi
+ * @tx_flow_stop_queue_threshold: Value to Pause tx queues
+ * @tx_flow_start_queue_offset: Available Tx descriptors to unpause
+ *				tx queue
+ */
+struct cdp_config_params {
+	unsigned int tso_enable:1;
+	unsigned int lro_enable:1;
+	unsigned int flow_steering_enable:1;
+	unsigned int tcp_udp_checksumoffload:1;
+	unsigned int napi_enable:1;
+	/* Set when QCA_LL_TX_FLOW_CONTROL_V2 is enabled */
+	uint8_t tx_flow_stop_queue_threshold;
+	uint8_t tx_flow_start_queue_offset;
+};
 #endif

dp/inc/cdp_txrx_ops.h

@@ -213,6 +213,8 @@ struct cdp_cmn_ops {
 	void  (*set_pn_check)(struct cdp_vdev *vdev,
 		struct cdp_peer *peer_handle, enum cdp_sec_type sec_type,
 		 uint32_t *rx_pn);
+	QDF_STATUS (*update_config_parameters)(struct cdp_soc *psoc,
+			struct cdp_config_params *params);
 };
 
 struct cdp_ctrl_ops {

dp/wifi3.0/dp_main.c

@@ -965,10 +965,9 @@ static QDF_STATUS dp_soc_interrupt_attach_poll(void *txrx_soc)
 	return QDF_STATUS_SUCCESS;
 }
 
-#ifdef CONFIG_MCL
+#if defined(CONFIG_MCL)
 extern int con_mode_monitor;
 static QDF_STATUS dp_soc_interrupt_attach(void *txrx_soc);
-
 /*
  * dp_soc_interrupt_attach_wrapper() - Register handlers for DP interrupts
  * @txrx_soc: DP SOC handle
@@ -980,13 +979,17 @@ static QDF_STATUS dp_soc_interrupt_attach(void *txrx_soc);
  */
 static QDF_STATUS dp_soc_interrupt_attach_wrapper(void *txrx_soc)
 {
-	if (con_mode_monitor == QDF_GLOBAL_MONITOR_MODE) {
-		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
-			FL("Attach interrupts in Poll mode"));
+	struct dp_soc *soc = (struct dp_soc *)txrx_soc;
+
+	if (!(soc->wlan_cfg_ctx->napi_enabled) ||
+	     con_mode_monitor == QDF_GLOBAL_MONITOR_MODE) {
+		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG,
+			"%s: Poll mode", __func__);
 		return dp_soc_interrupt_attach_poll(txrx_soc);
 	} else {
-		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
-			FL("Attach interrupts in MSI mode"));
+
+		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG,
+			"%s: Interrupt  mode", __func__);
 		return dp_soc_interrupt_attach(txrx_soc);
 	}
 }
@@ -3899,6 +3902,7 @@ void dp_aggregate_vdev_stats(struct dp_vdev *vdev)
 	if (soc->cdp_soc.ol_ops->update_dp_stats)
 		soc->cdp_soc.ol_ops->update_dp_stats(vdev->pdev->osif_pdev,
 			&vdev->stats, vdev->vdev_id, UPDATE_VDEV_STATS);
+
 }
 
 /**
@@ -5244,6 +5248,19 @@ static void dp_txrx_path_stats(struct dp_soc *soc)
 			 pdev->stats.rx_ind_histogram.pkts_101_200);
 		DP_TRACE(FATAL, "   201+ Packets: %u",
 			 pdev->stats.rx_ind_histogram.pkts_201_plus);
+
+		DP_TRACE_STATS(ERROR, "%s: tso_enable: %u lro_enable: %u rx_hash: %u napi_enable: %u",
+			__func__,
+			pdev->soc->wlan_cfg_ctx->tso_enabled,
+			pdev->soc->wlan_cfg_ctx->lro_enabled,
+			pdev->soc->wlan_cfg_ctx->rx_hash,
+			pdev->soc->wlan_cfg_ctx->napi_enabled);
+#ifdef QCA_LL_TX_FLOW_CONTROL_V2
+		DP_TRACE_STATS(ERROR, "%s: Tx flow stop queue: %u tx flow start queue offset: %u",
+			__func__,
+			pdev->soc->wlan_cfg_ctx->tx_flow_stop_queue_threshold,
+			pdev->soc->wlan_cfg_ctx->tx_flow_start_queue_offset);
+#endif
 	}
 }
 
@@ -5297,6 +5314,64 @@ static QDF_STATUS dp_txrx_dump_stats(void *psoc, uint16_t value)
 
 }
 
+#ifdef QCA_LL_TX_FLOW_CONTROL_V2
+/**
+ * dp_update_flow_control_parameters() - API to store datapath
+ *                            config parameters
+ * @soc: soc handle
+ * @cfg: ini parameter handle
+ *
+ * Return: void
+ */
+static inline
+void dp_update_flow_control_parameters(struct dp_soc *soc,
+				struct cdp_config_params *params)
+{
+	soc->wlan_cfg_ctx->tx_flow_stop_queue_threshold =
+					params->tx_flow_stop_queue_threshold;
+	soc->wlan_cfg_ctx->tx_flow_start_queue_offset =
+					params->tx_flow_start_queue_offset;
+}
+#else
+static inline
+void dp_update_flow_control_parameters(struct dp_soc *soc,
+				struct cdp_config_params *params)
+{
+}
+#endif
+
+/**
+ * dp_update_config_parameters() - API to store datapath
+ *                            config parameters
+ * @soc: soc handle
+ * @cfg: ini parameter handle
+ *
+ * Return: status
+ */
+static
+QDF_STATUS dp_update_config_parameters(struct cdp_soc *psoc,
+				struct cdp_config_params *params)
+{
+	struct dp_soc *soc = (struct dp_soc *)psoc;
+
+	if (!(soc)) {
+		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
+				"%s: Invalid handle", __func__);
+		return QDF_STATUS_E_INVAL;
+	}
+
+	soc->wlan_cfg_ctx->tso_enabled = params->tso_enable;
+	soc->wlan_cfg_ctx->lro_enabled = params->lro_enable;
+	soc->wlan_cfg_ctx->rx_hash = params->flow_steering_enable;
+	soc->wlan_cfg_ctx->tcp_udp_checksumoffload =
+				params->tcp_udp_checksumoffload;
+	soc->wlan_cfg_ctx->napi_enabled = params->napi_enable;
+
+	dp_update_flow_control_parameters(soc, params);
+
+	return QDF_STATUS_SUCCESS;
+}
+
 static struct cdp_wds_ops dp_ops_wds = {
 	.vdev_set_wds = dp_vdev_set_wds,
 };
@@ -5399,6 +5474,7 @@ static struct cdp_cmn_ops dp_ops_cmn = {
 #endif
 	.txrx_intr_detach = dp_soc_interrupt_detach,
 	.set_pn_check = dp_set_pn_check_wifi3,
+	.update_config_parameters = dp_update_config_parameters,
 	/* TODO: Add other functions */
 	.txrx_data_tx_cb_set = dp_txrx_data_tx_cb_set
 };

wlan_cfg/wlan_cfg.c

@@ -181,11 +181,6 @@
 #define WLAN_CFG_HTT_PKT_TYPE 2
 #define WLAN_CFG_MAX_PEER_ID 64
 
-#ifdef WLAN_RX_HASH
-#define WLAN_RX_HASH_ENABLE 1
-#else
-#define WLAN_RX_HASH_ENABLE 0
-#endif
 
 #ifdef CONFIG_MCL
 static const int tx_ring_mask[WLAN_CFG_INT_NUM_CONTEXTS] = {
@@ -329,9 +324,6 @@ struct wlan_cfg_dp_soc_ctxt *wlan_cfg_soc_attach()
 			rxdma2host_ring_mask[i];
 	}
 
-	wlan_cfg_ctx->rx_hash = WLAN_RX_HASH_ENABLE;
-	wlan_cfg_ctx->lro_enabled = WLAN_LRO_ENABLE;
-
 	/* This is default mapping and can be overridden by HW config
 	 * received from FW */
 	wlan_cfg_set_hw_macid(wlan_cfg_ctx, 0, 1);
@@ -675,12 +667,7 @@ int wlan_cfg_get_int_timer_threshold_other(struct wlan_cfg_dp_soc_ctxt *cfg)
  */
 int wlan_cfg_get_tx_flow_stop_queue_th(struct wlan_cfg_dp_soc_ctxt *cfg)
 {
-#ifdef QCA_WIFI_NAPIER_EMULATION
-	/* TODO remove this hack when INI hookup is ready */
-	return 15;
-#else
-	return cfg->tx_flow_stop_queue_th;
-#endif
+	return cfg->tx_flow_stop_queue_threshold;
 }
 
 /**
@@ -692,11 +679,6 @@ int wlan_cfg_get_tx_flow_stop_queue_th(struct wlan_cfg_dp_soc_ctxt *cfg)
  */
 int wlan_cfg_get_tx_flow_start_queue_offset(struct wlan_cfg_dp_soc_ctxt *cfg)
 {
-#ifdef QCA_WIFI_NAPIER_EMULATION
-	/* TODO remove this hack when INI hookup is ready */
-	return 10;
-#else
 	return cfg->tx_flow_start_queue_offset;
-#endif
 }
 #endif /* QCA_LL_TX_FLOW_CONTROL_V2 */

wlan_cfg/wlan_cfg.h

@@ -62,6 +62,7 @@
 #define DP_NON_QOS_TID 16
 
 struct wlan_cfg_dp_pdev_ctxt;
+
 /**
  * struct wlan_cfg_dp_soc_ctxt - Configuration parameters for SoC (core TxRx)
  * @num_int_ctxts - Number of NAPI/Interrupt contexts to be registered for DP
@@ -90,8 +91,11 @@ struct wlan_cfg_dp_pdev_ctxt;
  * @int_reo_status_ring_mask - Bitmap of reo status ring interrupts mapped to each
  *                        NAPI/Intr context
  * @int_ce_ring_mask - Bitmap of CE interrupts mapped to each NAPI/Intr context
- * @lro_enabled - is LRO enabled
+ * @lro_enabled - enable/disable lro feature
  * @rx_hash - Enable hash based steering of rx packets
+ * @tso_enabled - enable/disable tso feature
+ * @napi_enabled - enable/disable interrupt mode for reaping tx and rx packets
+ * @tcp_Udp_Checksumoffload - enable/disable checksum offload
  * @nss_cfg - nss configuration
  */
 struct wlan_cfg_dp_soc_ctxt {
@@ -128,10 +132,13 @@ struct wlan_cfg_dp_soc_ctxt {
 	int base_hw_macid;
 	bool lro_enabled;
 	bool rx_hash;
+	bool tso_enabled;
+	bool napi_enabled;
+	bool tcp_udp_checksumoffload;
 	int nss_cfg;
 #ifdef QCA_LL_TX_FLOW_CONTROL_V2
-	int tx_flow_stop_queue_th;
-	int tx_flow_start_queue_offset;
+	uint32_t tx_flow_stop_queue_threshold;
+	uint32_t tx_flow_start_queue_offset;
 #endif
 };