qcacld-3.0: Add diag events for debugging

qcacld-2.0 to qcacld-3.0 propagation

Currently there are no diag events to debug auth, assoc timeouts
and memory failure. Add such diag events which can be useful during
failures.

Change-Id: Iec4c2a9946fbef388959fdc796273944d3be8003
CRs-Fixed: 954888
(cherry picked from commit 96f330d11abe16a35c13a87346e8e60cbd0c7141)

core/mac/src/pe/lim/lim_process_mlm_req_messages.c

@@ -2394,6 +2394,9 @@ static void lim_process_auth_failure_timeout(tpAniSirGlobal mac_ctx)
 		session->peSessionId, session->limMlmState,
 		session->limSmeState);
 #ifdef FEATURE_WLAN_DIAG_SUPPORT_LIM
+	lim_diag_event_report(mac_ctx, WLAN_PE_DIAG_AUTH_TIMEOUT, session,
+				0, AUTH_FAILURE_TIMEOUT);
+
 	WLAN_HOST_DIAG_LOG_ALLOC(rssi_log, host_log_rssi_pkt_type,
 				 LOG_WLAN_RSSI_UPDATE_C);
 	if (rssi_log)
@@ -2463,6 +2466,11 @@ lim_process_auth_rsp_timeout(tpAniSirGlobal mac_ctx, uint32_t auth_idx)
 		return;
 	}
 
+#ifdef FEATURE_WLAN_DIAG_SUPPORT_LIM
+		lim_diag_event_report(mac_ctx, WLAN_PE_DIAG_AUTH_TIMEOUT,
+				session, 0, AUTH_RESPONSE_TIMEOUT);
+#endif
+
 	if (LIM_IS_AP_ROLE(session) || LIM_IS_IBSS_ROLE(session)) {
 		if (auth_node->mlmState != eLIM_MLM_WT_AUTH_FRAME3_STATE) {
 			lim_log(mac_ctx, LOGE,
@@ -2524,6 +2532,9 @@ lim_process_assoc_failure_timeout(tpAniSirGlobal mac_ctx, uint32_t msg_type)
 		return;
 	}
 #ifdef FEATURE_WLAN_DIAG_SUPPORT_LIM
+	lim_diag_event_report(mac_ctx, WLAN_PE_DIAG_ASSOC_TIMEOUT,
+				session, 0, 0);
+
 	WLAN_HOST_DIAG_LOG_ALLOC(rssi_log,
 				 host_log_rssi_pkt_type,
 				 LOG_WLAN_RSSI_UPDATE_C);

core/mac/src/pe/lim/lim_utils.h

@@ -521,6 +521,8 @@ typedef enum {
 	WLAN_PE_DIAG_ROAM_ASSOC_COMP_EVENT,
 	RESERVED1, /* = 64 for SCAN_COMPLETE */
 	RESERVED2, /* = 65 for SCAN_RES_FOUND */
+	WLAN_PE_DIAG_ASSOC_TIMEOUT,
+	WLAN_PE_DIAG_AUTH_TIMEOUT,
 } WLAN_PE_DIAG_EVENT_TYPE;
 
 void lim_diag_event_report(tpAniSirGlobal pMac, uint16_t eventType,

core/utils/host_diag_log/inc/host_diag_core_event.h

@@ -259,6 +259,31 @@ struct host_event_wlan_eapol {
 	uint8_t   src_addr[6];
 };
 
+/*-------------------------------------------------------------------------
+  Event ID: EVENT_WLAN_LOW_RESOURCE_FAILURE
+  ------------------------------------------------------------------------*/
+/**
+ * struct host_event_wlan_low_resource_failure - Structure holding the
+ * low resource failure information
+ * @event_sub_type: Gives further information about reason for
+ * low resource condition
+ *
+ * This structure will hold the low resource failure information
+ */
+struct host_event_wlan_low_resource_failure {
+	uint8_t event_sub_type;
+};
+
+/**
+ * enum resource_failure_type - Reason for low resource failure condition
+ * @WIFI_EVENT_MEMORY_FAILURE: Memory failure
+ *
+ * This enum has the reason codes why the low resource situation is observed
+ */
+enum resource_failure_type {
+	WIFI_EVENT_MEMORY_FAILURE,
+};
+
 /*-------------------------------------------------------------------------
   Event ID: EVENT_WLAN_WAKE_LOCK
   ------------------------------------------------------------------------*/

core/utils/host_diag_log/inc/host_diag_event_defs.h

@@ -61,6 +61,7 @@ typedef enum {
 	EVENT_WLAN_OFFLOAD_REQ = 0xAB8,
 	EVENT_TDLS_SCAN_BLOCK = 0xAB9,
 	EVENT_WLAN_TDLS_TX_RX_MGMT = 0xABA,
+	EVENT_WLAN_LOW_RESOURCE_FAILURE = 0xABB,
 
 	EVENT_MAX_ID = 0x0FFF
 } event_id_enum_type;

core/utils/host_diag_log/src/host_diag_log.c

@@ -262,3 +262,24 @@ void host_diag_event_report_payload(uint16_t event_Id, uint16_t length,
 	return;
 
 }
+
+/**
+ * host_log_low_resource_failure() - This function is used to send low
+ * resource failure event
+ * @event_sub_type: Reason why the failure was observed
+ *
+ * This function is used to send low resource failure events to user space
+ *
+ * Return: None
+ *
+ */
+void host_log_low_resource_failure(uint8_t event_sub_type)
+{
+	WLAN_HOST_DIAG_EVENT_DEF(wlan_diag_event,
+			struct host_event_wlan_low_resource_failure);
+
+	wlan_diag_event.event_sub_type = event_sub_type;
+
+	WLAN_HOST_DIAG_EVENT_REPORT(&wlan_diag_event,
+					EVENT_WLAN_LOW_RESOURCE_FAILURE);
+}

core/utils/host_diag_log/src/i_host_diag_core_event.h

@@ -81,6 +81,16 @@ void host_diag_event_report_payload(uint16_t event_Id, uint16_t length,
 
 #endif /* FEATURE_WLAN_DIAG_SUPPORT */
 
+/**
+ * enum auth_timeout_type - authentication timeout type
+ * @AUTH_FAILURE_TIMEOUT: auth failure timeout
+ * @AUTH_RESPONSE_TIMEOUT: auth response timeout
+ */
+enum auth_timeout_type {
+	AUTH_FAILURE_TIMEOUT,
+	AUTH_RESPONSE_TIMEOUT,
+};
+
 /*-------------------------------------------------------------------------
    Function declarations and documenation
    ------------------------------------------------------------------------*/
@@ -96,6 +106,15 @@ static inline void host_diag_log_wlock(uint32_t reason,
 }
 #endif /* FEATURE_WLAN_DIAG_SUPPORT */
 
+#ifdef FEATURE_WLAN_DIAG_SUPPORT
+void host_log_low_resource_failure(uint8_t event_sub_type);
+#else
+static inline void host_log_low_resource_failure(uint8_t event_sub_type)
+{
+
+}
+#endif /* FEATURE_WLAN_DIAG_SUPPORT */
+
 #ifdef __cplusplus
 }
 #endif /* __cplusplus */