qcacld: Support to enhance debug framework

Add interface to provide information on supported logger
features when requested by the user space application.

Change-Id: If70001d431ffc63d54398107bbc685a55cae5011
CRs-Fixed: 826150

4 files changed, 124 insertions, 2 deletions

diff --git a/CORE/HDD/inc/wlan_hdd_cfg80211.h b/CORE/HDD/inc/wlan_hdd_cfg80211.h
index 7e03380c4892..571ec6c03852 100644
--- a/CORE/HDD/inc/wlan_hdd_cfg80211.h
+++ b/CORE/HDD/inc/wlan_hdd_cfg80211.h
@@ -220,8 +220,10 @@ enum qca_nl80211_vendor_subcmds {
     QCA_NL80211_VENDOR_SUBCMD_EXTSCAN_PNO_PASSPOINT_NETWORK_FOUND = 73,
 
     /* Wi-Fi Configuration subcommands */
-   QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION = 74,
-   QCA_NL80211_VENDOR_SUBCMD_GET_WIFI_CONFIGURATION = 75,
+    QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION = 74,
+    QCA_NL80211_VENDOR_SUBCMD_GET_WIFI_CONFIGURATION = 75,
+
+    QCA_NL80211_VENDOR_SUBCMD_GET_LOGGER_FEATURE_SET = 76,
 
 	/* OCB commands */
 	QCA_NL80211_VENDOR_SUBCMD_OCB_SET_CONFIG = 92,
@@ -1249,6 +1251,27 @@ enum qca_wlan_vendor_attr_get_wifi_info {
 };
 
 /**
+ * enum qca_wlan_vendor_attr_get_logger_features - value for logger
+ *						   supported features
+ * @QCA_WLAN_VENDOR_ATTR_LOGGER_INVALID - Invalid
+ * @QCA_WLAN_VENDOR_ATTR_LOGGER_SUPPORTED - Indicate the supported features
+ * @QCA_WLAN_VENDOR_ATTR_LOGGER_AFTER_LAST - To keep track of the last enum
+ * @QCA_WLAN_VENDOR_ATTR_LOGGER_MAX - max value possible for this type
+ *
+ * enum values are used for NL attributes for data used by
+ * QCA_NL80211_VENDOR_SUBCMD_GET_LOGGER_FEATURE_SET sub command.
+ */
+enum qca_wlan_vendor_attr_get_logger_features {
+	QCA_WLAN_VENDOR_ATTR_LOGGER_INVALID = 0,
+	QCA_WLAN_VENDOR_ATTR_LOGGER_SUPPORTED = 1,
+
+	/* keep last */
+	QCA_WLAN_VENDOR_ATTR_LOGGER_AFTER_LAST,
+	QCA_WLAN_VENDOR_ATTR_LOGGER_MAX =
+		QCA_WLAN_VENDOR_ATTR_LOGGER_AFTER_LAST - 1,
+};
+
+/**
  * enum qca_wlan_vendor_features - vendor device/driver features
  * @QCA_WLAN_VENDOR_FEATURE_KEY_MGMT_OFFLOAD: Device supports key
  * management offload, a mechanism where the station's firmware
@@ -1288,6 +1311,25 @@ enum qca_wlan_vendor_features {
 
 /* Add more features here */
 
+/**
+ * enum wifi_logger_supported_features - values for supported logger features
+ * @WIFI_LOGGER_MEMORY_DUMP_SUPPORTED - Memory dump of FW
+ * @WIFI_LOGGER_PER_PACKET_TX_RX_STATUS_SUPPORTED - Per packet statistics
+ * @WIFI_LOGGER_CONNECT_EVENT_SUPPORTED - Logging of Connectivity events
+ * @WIFI_LOGGER_POWER_EVENT_SUPPORTED - Power of driver
+ * @WIFI_LOGGER_WAKE_LOCK_SUPPORTED - Wakelock of driver
+ * @WIFI_LOGGER_WATCHDOG_TIMER_SUPPORTED - monitor FW health
+ */
+enum wifi_logger_supported_features {
+	WIFI_LOGGER_MEMORY_DUMP_SUPPORTED = (1 << (0)),
+	WIFI_LOGGER_PER_PACKET_TX_RX_STATUS_SUPPORTED = (1 << (1)),
+	WIFI_LOGGER_CONNECT_EVENT_SUPPORTED = (1 << (2)),
+	WIFI_LOGGER_POWER_EVENT_SUPPORTED = (1 << (3)),
+	WIFI_LOGGER_WAKE_LOCK_SUPPORTED = (1 << (4)),
+	WIFI_LOGGER_VERBOSE_SUPPORTED = (1 << (5)),
+	WIFI_LOGGER_WATCHDOG_TIMER_SUPPORTED = (1 << (6)),
+};
+
 
 #if defined(FEATURE_WLAN_CH_AVOID) || defined(FEATURE_WLAN_FORCE_SAP_SCC)
 #define HDD_MAX_AVOID_FREQ_RANGES   4
diff --git a/CORE/HDD/inc/wlan_hdd_main.h b/CORE/HDD/inc/wlan_hdd_main.h
index 3182839bbeae..061a2d337a5a 100644
--- a/CORE/HDD/inc/wlan_hdd_main.h
+++ b/CORE/HDD/inc/wlan_hdd_main.h
@@ -1748,4 +1748,6 @@ void hdd_get_fw_version(hdd_context_t *hdd_ctx,
 			uint32_t *major_spid, uint32_t *minor_spid,
 			uint32_t *siid, uint32_t *crmid);
 
+bool hdd_is_memdump_supported(void);
+
 #endif    // end #if !defined( WLAN_HDD_MAIN_H )
diff --git a/CORE/HDD/src/wlan_hdd_cfg80211.c b/CORE/HDD/src/wlan_hdd_cfg80211.c
index 5e5b6f5fb28c..f764deb02b10 100644
--- a/CORE/HDD/src/wlan_hdd_cfg80211.c
+++ b/CORE/HDD/src/wlan_hdd_cfg80211.c
@@ -5584,6 +5584,59 @@ wlan_hdd_cfg80211_get_wifi_info(struct wiphy *wiphy,
 }
 
 /**
+ * wlan_hdd_cfg80211_get_logger_supp_feature() - Get the wifi logger features
+ * @wiphy:   pointer to wireless wiphy structure.
+ * @wdev:    pointer to wireless_dev structure.
+ * @data:    Pointer to the data to be passed via vendor interface
+ * @data_len:Length of the data to be passed
+ *
+ * This is called by userspace to know the supported logger features
+ *
+ * Return:   Return the Success or Failure code.
+ */
+static int
+wlan_hdd_cfg80211_get_logger_supp_feature(struct wiphy *wiphy,
+		struct wireless_dev *wdev,
+		const void *data, int data_len)
+{
+	hdd_context_t *hdd_ctx = wiphy_priv(wiphy);
+	int status;
+	uint32_t features;
+	struct sk_buff *reply_skb = NULL;
+
+	status = wlan_hdd_validate_context(hdd_ctx);
+	if (0 != status) {
+		hddLog(LOGE, FL("HDD context is not valid"));
+		return -EINVAL;
+	}
+
+	features = 0;
+
+	if (hdd_is_memdump_supported())
+		features |= WIFI_LOGGER_MEMORY_DUMP_SUPPORTED;
+	features |= WIFI_LOGGER_PER_PACKET_TX_RX_STATUS_SUPPORTED;
+	features |= WIFI_LOGGER_CONNECT_EVENT_SUPPORTED;
+	features |= WIFI_LOGGER_WAKE_LOCK_SUPPORTED;
+
+	reply_skb = cfg80211_vendor_cmd_alloc_reply_skb(wiphy,
+			sizeof(uint32_t) + NLA_HDRLEN + NLMSG_HDRLEN);
+	if (!reply_skb) {
+		hddLog(LOGE, FL("cfg80211_vendor_cmd_alloc_reply_skb failed"));
+		return -ENOMEM;
+	}
+
+	hddLog(LOG1, FL("Supported logger features: 0x%0x"), features);
+	if (nla_put_u32(reply_skb, QCA_WLAN_VENDOR_ATTR_LOGGER_SUPPORTED,
+				   features)) {
+		hddLog(LOGE, FL("nla put fail"));
+		kfree_skb(reply_skb);
+		return -EINVAL;
+	}
+
+	return cfg80211_vendor_cmd_reply(reply_skb);
+}
+
+/**
  * wlan_hdd_send_roam_auth_event() - Send the roamed and authorized event
  * @hdd_ctx_ptr:   pointer to HDD Context.
  * @bssid:    pointer to bssid of roamed AP.
@@ -7280,6 +7333,15 @@ const struct wiphy_vendor_command hdd_wiphy_vendor_commands[] =
 				 WIPHY_VENDOR_CMD_NEED_RUNNING,
 		.doit = wlan_hdd_cfg80211_dcc_update_ndl
 	},
+    {
+        .info.vendor_id = QCA_NL80211_VENDOR_ID,
+        .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_GET_LOGGER_FEATURE_SET,
+        .flags = WIPHY_VENDOR_CMD_NEED_WDEV |
+                 WIPHY_VENDOR_CMD_NEED_NETDEV |
+                 WIPHY_VENDOR_CMD_NEED_RUNNING,
+        .doit = wlan_hdd_cfg80211_get_logger_supp_feature
+    },
+
 };
 
 
diff --git a/CORE/HDD/src/wlan_hdd_main.c b/CORE/HDD/src/wlan_hdd_main.c
index 5ed41aee1660..4e30b30eb7a2 100755
--- a/CORE/HDD/src/wlan_hdd_main.c
+++ b/CORE/HDD/src/wlan_hdd_main.c
@@ -14225,6 +14225,22 @@ void hdd_get_fw_version(hdd_context_t *hdd_ctx,
 	*crmid = hdd_ctx->target_fw_version & 0x7fff;
 }
 
+/**
+ * hdd_is_memdump_supported() - to check if memdump feature support
+ *
+ * This function is used to check if memdump feature is supported in
+ * the host driver
+ *
+ * Return: true if supported and false otherwise
+ */
+bool hdd_is_memdump_supported(void)
+{
+#ifdef WLAN_FEATURE_MEMDUMP
+	return true;
+#endif
+	return false;
+}
+
 //Register the module init/exit functions
 module_init(hdd_module_init);
 module_exit(hdd_module_exit);