qcacmn: Enable IPA if enabled in platform driver and ini

Enable IPA only if it is enabled from both platform driver
and ini file.
Change-Id: Ifc4bcd2c5b29b91c0eb72a844906cf11a65686e4
CRs-Fixed: 3148731

ipa/core/inc/wlan_ipa_main.h

@@ -67,6 +67,21 @@ extern uint8_t g_instances_added;
 #define IPA_EXIT() \
 	QDF_TRACE_EXIT(QDF_MODULE_ID_IPA, "exit")
 
+/**
+ * ipa_set_pld_enable() - set g_ipa_pld_enable
+ * @flag: flag to set g_ipa_pld_enable
+ *
+ * Return: None
+ */
+void ipa_set_pld_enable(bool flag);
+
+/**
+ * ipa_get_pld_enable() - check if IPA is disabled in pld
+ *
+ * Return: g_ipa_pld_enable
+ */
+bool ipa_get_pld_enable(void);
+
 /**
  * ipa_check_hw_present() - get IPA hw status
  *

ipa/core/src/wlan_ipa_main.c

@@ -29,6 +29,17 @@
 
 static struct wlan_ipa_config *g_ipa_config;
 static bool g_ipa_hw_support;
+static bool g_ipa_pld_enable = true;
+
+void ipa_set_pld_enable(bool flag)
+{
+	g_ipa_pld_enable = flag;
+}
+
+bool ipa_get_pld_enable(void)
+{
+	return g_ipa_pld_enable;
+}
 
 bool ipa_check_hw_present(void)
 {
@@ -805,8 +816,16 @@ void ipa_component_config_update(struct wlan_objmgr_psoc *psoc)
 		return;
 	}
 
-	g_ipa_config->ipa_config =
+	if (g_ipa_pld_enable) {
-		cfg_get(psoc, CFG_DP_IPA_OFFLOAD_CONFIG);
+		g_ipa_config->ipa_config = cfg_get(psoc,
+						   CFG_DP_IPA_OFFLOAD_CONFIG);
+		ipa_info("IPA ini configuration: 0x%x",
+			 g_ipa_config->ipa_config);
+	} else {
+		g_ipa_config->ipa_config = 0;
+		ipa_info("IPA disabled from platform driver");
+	}
+
 	g_ipa_config->desc_size =
 		cfg_get(psoc, CFG_DP_IPA_DESC_SIZE);
 	g_ipa_config->txbuf_count =

ipa/dispatcher/inc/wlan_ipa_ucfg_api.h

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
- * Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -31,6 +31,21 @@
 
 #ifdef IPA_OFFLOAD
 
+/**
+ * ucfg_ipa_set_pld_enable() - set g_ipa_pld_enable
+ * @flag: flag to set g_ipa_pld_enable
+ *
+ * Return: None
+ */
+void ucfg_ipa_set_pld_enable(bool flag);
+
+/**
+ * ucfg_ipa_get_pld_enable() - check if IPA is disabled in pld
+ *
+ * Return: g_ipa_pld_enable
+ */
+bool ucfg_ipa_get_pld_enable(void);
+
 /**
  * ucfg_ipa_is_present() - get IPA hw status
  *
@@ -435,6 +450,14 @@ void ucfg_ipa_update_tx_stats(struct wlan_objmgr_pdev *pdev, uint64_t sta_tx,
 void ucfg_ipa_flush_pending_vdev_events(struct wlan_objmgr_pdev *pdev,
 					uint8_t vdev_id);
 #else
+static inline void ucfg_ipa_set_pld_enable(bool flag)
+{
+}
+
+static inline bool ucfg_ipa_get_pld_enable(void)
+{
+	return true;
+}
 
 static inline bool ucfg_ipa_is_present(void)
 {

ipa/dispatcher/src/wlan_ipa_ucfg_api.c

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
- * Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -25,6 +25,20 @@
 #include "cfg_ucfg_api.h"
 #include "qdf_module.h"
 
+void ucfg_ipa_set_pld_enable(bool flag)
+{
+	ipa_set_pld_enable(flag);
+}
+
+qdf_export_symbol(ucfg_ipa_set_pld_enable);
+
+bool ucfg_ipa_get_pld_enable(void)
+{
+	return ipa_get_pld_enable();
+}
+
+qdf_export_symbol(ucfg_ipa_get_pld_enable);
+
 bool ucfg_ipa_is_present(void)
 {
 	return ipa_is_hw_support();

wlan_cfg/wlan_cfg.c

@@ -17,6 +17,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
+#include "wlan_ipa_ucfg_api.h"
 #if defined(CONFIG_HL_SUPPORT)
 #include "wlan_tgt_def_config_hl.h"
 #else
@@ -1719,8 +1720,16 @@ static void
 wlan_soc_ipa_cfg_attach(struct cdp_ctrl_objmgr_psoc *psoc,
 			struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx)
 {
-	wlan_cfg_ctx->ipa_enabled = (cfg_get(psoc, CFG_DP_IPA_OFFLOAD_CONFIG) &
+	if (ucfg_ipa_get_pld_enable()) {
-				     WLAN_CFG_IPA_ENABLE_MASK);
+		wlan_cfg_ctx->ipa_enabled =
+			(cfg_get(psoc, CFG_DP_IPA_OFFLOAD_CONFIG) &
+			WLAN_CFG_IPA_ENABLE_MASK);
+		dp_info("is IPA enabled from ini: %d",
+			wlan_cfg_ctx->ipa_enabled);
+	} else {
+		wlan_cfg_ctx->ipa_enabled = false;
+		dp_info("IPA disabled from platform driver");
+	}
 	wlan_cfg_ctx->ipa_tx_ring_size =
 			cfg_get(psoc, CFG_DP_IPA_TX_RING_SIZE);
 	wlan_cfg_ctx->ipa_tx_comp_ring_size =
@@ -1743,8 +1752,16 @@ static void
 wlan_soc_ipa_cfg_attach(struct cdp_ctrl_objmgr_psoc *psoc,
 			struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx)
 {
-	wlan_cfg_ctx->ipa_enabled = (cfg_get(psoc, CFG_DP_IPA_OFFLOAD_CONFIG) &
+	if (ucfg_ipa_get_pld_enable()) {
-				     WLAN_CFG_IPA_ENABLE_MASK);
+		wlan_cfg_ctx->ipa_enabled =
+			(cfg_get(psoc, CFG_DP_IPA_OFFLOAD_CONFIG) &
+			WLAN_CFG_IPA_ENABLE_MASK);
+		dp_info("is IPA enabled from ini: %d",
+			wlan_cfg_ctx->ipa_enabled);
+	} else {
+		wlan_cfg_ctx->ipa_enabled = false;
+		dp_info("IPA disabled from platform driver");
+	}
 	wlan_cfg_ctx->ipa_tx_ring_size =
 			cfg_get(psoc, CFG_DP_IPA_TX_RING_SIZE);
 	wlan_cfg_ctx->ipa_tx_comp_ring_size =