qcacld-3.0: Add detection for tasklet delay

This is to enable feature for detection CE tasklet
scheduling delay and credit response delay issue.

Change-Id: I659aa23eabaa28bfb11051bf15e0343c94061b86
CRs-Fixed: 2874867

Kbuild

@@ -3864,6 +3864,14 @@ cppflags-$(CONFIG_FEATURE_STA_MODE_VOTE_LINK) += -DFEATURE_STA_MODE_VOTE_LINK
 cppflags-$(CONFIG_WLAN_ENABLE_GPIO_WAKEUP) += -DWLAN_ENABLE_GPIO_WAKEUP
 cppflags-$(CONFIG_WLAN_MAC_ADDR_UPDATE_DISABLE) += -DWLAN_MAC_ADDR_UPDATE_DISABLE
 
+ifeq ($(CONFIG_SMP), y)
+ifeq ($(CONFIG_HIF_DETECTION_LATENCY_ENABLE), y)
+cppflags-y += -DHIF_DETECTION_LATENCY_ENABLE
+cppflags-y += -DDETECTION_TIMER_TIMEOUT=2000
+cppflags-y += -DDETECTION_LATENCY_THRESHOLD=1900
+endif
+endif
+
 KBUILD_CPPFLAGS += $(cppflags-y)
 
 # Currently, for versions of gcc which support it, the kernel Makefile

components/pmo/core/src/wlan_pmo_suspend_resume.c

@@ -869,6 +869,8 @@ pmo_core_enable_wow_in_fw(struct wlan_objmgr_psoc *psoc,
 	pmo_debug("WOW enabled successfully in fw: credits:%d pending_cmds: %d",
 		host_credits, wmi_pending_cmds);
 
+	hif_latency_detect_timer_stop(pmo_core_psoc_get_hif_handle(psoc));
+
 	pmo_core_update_wow_enable_cmd_sent(psoc_ctx, true);
 
 out:
@@ -1455,6 +1457,8 @@ QDF_STATUS pmo_core_psoc_bus_resume_req(struct wlan_objmgr_psoc *psoc,
 		goto out;
 	}
 
+	hif_latency_detect_timer_start(pmo_core_psoc_get_hif_handle(psoc));
+
 	psoc_ctx = pmo_psoc_get_priv(psoc);
 	wow_mode = pmo_core_is_wow_enabled(psoc_ctx);
 	pmo_debug("wow mode %d", wow_mode);

configs/default_defconfig

@@ -1073,6 +1073,7 @@ endif
 	CONFIG_ENABLE_QDF_PTR_HASH_DEBUG := y
 	CONFIG_HIF_DEBUG := y
 	CONFIG_HAL_DEBUG := y
+	CONFIG_HIF_DETECTION_LATENCY_ENABLE := y
 endif
 
 ifeq ($(CONFIG_CNSS2_DEBUG), y)

core/hdd/inc/wlan_hdd_driver_ops.h

@@ -158,4 +158,20 @@ void hdd_set_hif_init_phase(struct hif_opaque_softc *hif_ctx,
 {
 }
 #endif /* FORCE_WAKE */
+
+#ifdef HIF_DETECTION_LATENCY_ENABLE
+/**
+ * hdd_hif_set_enable_detection() - enable detection
+ * @hif_ctx: hif opaque handle
+ * @value: enable/disable
+ *
+ * Return: None
+ */
+void hdd_hif_set_enable_detection(struct hif_opaque_softc *hif_ctx, bool value);
+#else
+static inline
+void hdd_hif_set_enable_detection(struct hif_opaque_softc *hif_ctx, bool value)
+{
+}
+#endif /* HIF_DETECTION_LATENCY_ENABLE */
 #endif /* __WLAN_HDD_DRIVER_OPS_H__ */

core/hdd/src/wlan_hdd_driver_ops.c

@@ -231,6 +231,13 @@ static void hdd_hif_init_driver_state_callbacks(void *data,
 		hdd_put_consistent_mem_unaligned;
 }
 
+#ifdef HIF_DETECTION_LATENCY_ENABLE
+void hdd_hif_set_enable_detection(struct hif_opaque_softc *hif_ctx, bool value)
+{
+	hif_set_enable_detection(hif_ctx, value);
+}
+#endif
+
 #ifdef FORCE_WAKE
 void hdd_set_hif_init_phase(struct hif_opaque_softc *hif_ctx,
 			    bool hal_init_phase)

core/hdd/src/wlan_hdd_main.c

@@ -4164,6 +4164,7 @@ int hdd_wlan_start_modules(struct hdd_context *hdd_ctx, bool reinit)
 		wlan_hdd_init_tx_rx_histogram(hdd_ctx);
 
 		hdd_set_hif_init_phase(hif_ctx, false);
+		hdd_hif_set_enable_detection(hif_ctx, true);
 
 		break;