qcacld-3.0: Add Vendor command to set/get NUD debug stats

Add vendor commands to set/reset and get NUD debug stats
from firmware.

Change-Id: I773c04bb3f7c6d5ed28528cf2174b3d63de57d98
CRs-Fixed: 2011456

core/hdd/inc/wlan_hdd_main.h

@@ -330,6 +330,13 @@
 /* Default Psoc id */
 #define DEFAULT_PSOC_ID 1
 
+/* wait time for nud stats in milliseconds */
+#define WLAN_WAIT_TIME_NUD_STATS 800
+/* nud stats skb max length */
+#define WLAN_NUD_STATS_LEN 800
+/* ARP packet type for NUD debug stats */
+#define WLAN_NUD_STATS_ARP_PKT_TYPE 1
+
 /*
  * Generic asynchronous request/response support
  *
@@ -436,6 +443,20 @@ struct hdd_pmf_stats {
 };
 #endif
 
+struct hdd_arp_stats_s {
+	uint16_t tx_count;
+	uint16_t rx_count;
+	uint16_t tx_dropped;
+	uint16_t rx_dropped;
+	uint16_t rx_delivered;
+	uint16_t rx_refused;
+	uint16_t tx_host_fw_sent;
+	uint16_t rx_host_drop_reorder;
+	uint16_t tx_fw_cnt;
+	uint16_t rx_fw_cnt;
+	uint16_t tx_ack_cnt;
+};
+
 /**
  * struct hdd_stats - per-adapter statistics
  * @summary_stat: Summary stats reported by firmware
@@ -451,6 +472,7 @@ struct hdd_stats {
 	tCsrGlobalClassDStatsInfo ClassD_stat;
 	struct csr_per_chain_rssi_stats_info  per_chain_rssi_stats;
 	hdd_tx_rx_stats_t hddTxRxStats;
+	struct hdd_arp_stats_s hdd_arp_stats;
 #ifdef WLAN_FEATURE_11W
 	struct hdd_pmf_stats hddPmfStats;
 #endif
@@ -1313,6 +1335,8 @@ struct hdd_adapter {
 	 * to cater to multiple application.
 	 */
 	u8 restrict_offchannel_cnt;
+	bool con_status;
+	bool dad;
 };
 
 #define WLAN_HDD_GET_STATION_CTX_PTR(pAdapter) (&(pAdapter)->sessionCtx.station)
@@ -1511,6 +1535,14 @@ enum hdd_sta_smps_param {
 	HDD_STA_SMPS_PARAM_DTIM_1CHRX_ENABLE = 5
 };
 
+/**
+ * struct hdd_nud_stats_context - hdd NUD stats context
+ * @response_event: NUD stats request wait event
+ */
+struct hdd_nud_stats_context {
+	struct completion response_event;
+};
+
 /** Adapter structure definition */
 struct hdd_context {
 	/** Global CDS context  */
@@ -1810,6 +1842,7 @@ struct hdd_context {
 #endif
 	uint8_t bt_a2dp_active:1;
 	uint8_t bt_vo_active:1;
+	struct hdd_nud_stats_context nud_stats_context;
 	eCsrBand curr_band;
 };
 
@@ -2231,6 +2264,18 @@ QDF_STATUS wlan_hdd_check_custom_con_channel_rules(struct hdd_adapter *sta_adapt
 void wlan_hdd_stop_sap(struct hdd_adapter *ap_adapter);
 void wlan_hdd_start_sap(struct hdd_adapter *ap_adapter, bool reinit);
 
+/**
+ * hdd_init_nud_stats_ctx() - initialize NUD stats context
+ * @hdd_ctx: Pointer to hdd context
+ *
+ * Return: none
+ */
+static inline void hdd_init_nud_stats_ctx(struct hdd_context *hdd_ctx)
+{
+	init_completion(&hdd_ctx->nud_stats_context.response_event);
+	return;
+}
+
 void wlan_hdd_soc_set_antenna_mode_cb(enum set_antenna_mode_status status);
 
 #ifdef QCA_CONFIG_SMP

core/hdd/src/wlan_hdd_cfg80211.c

@@ -1305,7 +1305,11 @@ static const struct nl80211_vendor_cmd_info wlan_hdd_cfg80211_vendor_events[] =
 	[QCA_NL80211_VENDOR_SUBCMD_PWR_SAVE_FAIL_DETECTED_INDEX] = {
 		.vendor_id = QCA_NL80211_VENDOR_ID,
 		.subcmd = QCA_NL80211_VENDOR_SUBCMD_CHIP_PWRSAVE_FAILURE
-	}
+	},
+	[QCA_NL80211_VENDOR_SUBCMD_NUD_STATS_GET_INDEX] = {
+		.vendor_id = QCA_NL80211_VENDOR_ID,
+		.subcmd = QCA_NL80211_VENDOR_SUBCMD_NUD_STATS_GET,
+	},
 
 #ifdef WLAN_UMAC_CONVERGENCE
 	COMMON_VENDOR_EVENTS
@@ -10998,6 +11002,296 @@ static int wlan_hdd_cfg80211_set_trace_level(struct wiphy *wiphy,
 	return ret;
 }
 
+/*
+ * define short names for the global vendor params
+ * used by wlan_hdd_cfg80211_setarp_stats_cmd()
+ */
+#define STATS_SET_INVALID \
+	QCA_ATTR_NUD_STATS_SET_INVALID
+#define STATS_SET_START \
+	QCA_ATTR_NUD_STATS_SET_START
+#define STATS_GW_IPV4 \
+	QCA_ATTR_NUD_STATS_GW_IPV4
+#define STATS_SET_MAX \
+	QCA_ATTR_NUD_STATS_SET_MAX
+
+const struct nla_policy
+qca_wlan_vendor_set_nud_stats[STATS_SET_MAX + 1] = {
+	[STATS_SET_START] = {.type = NLA_FLAG },
+	[STATS_GW_IPV4] = {.type = NLA_U32 },
+};
+
+/**
+ * __wlan_hdd_cfg80211_set_nud_stats() - set arp stats command to firmware
+ * @wiphy: pointer to wireless wiphy structure.
+ * @wdev: pointer to wireless_dev structure.
+ * @data: pointer to apfind configuration data.
+ * @data_len: the length in byte of apfind data.
+ *
+ * This is called when wlan driver needs to send arp stats to
+ * firmware.
+ *
+ * Return: An error code or 0 on success.
+ */
+static int __wlan_hdd_cfg80211_set_nud_stats(struct wiphy *wiphy,
+					     struct wireless_dev *wdev,
+					     const void *data, int data_len)
+{
+	struct nlattr *tb[STATS_SET_MAX + 1];
+	struct net_device   *dev = wdev->netdev;
+	struct hdd_adapter *adapter = WLAN_HDD_GET_PRIV_PTR(dev);
+	struct hdd_context *hdd_ctx = wiphy_priv(wiphy);
+	struct set_arp_stats_params arp_stats_params;
+	int err = 0;
+
+	ENTER();
+
+	err = wlan_hdd_validate_context(hdd_ctx);
+	if (0 != err)
+		return err;
+
+	err = nla_parse(tb, STATS_SET_MAX, data, data_len,
+			qca_wlan_vendor_set_nud_stats);
+	if (err) {
+		QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR,
+			  "%s STATS_SET_START ATTR", __func__);
+		return err;
+	}
+
+	if (tb[STATS_SET_START]) {
+		if (!tb[STATS_GW_IPV4]) {
+			QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR,
+				  "%s STATS_SET_START CMD", __func__);
+			return -EINVAL;
+		}
+		arp_stats_params.flag = true;
+		arp_stats_params.ip_addr = nla_get_u32(tb[STATS_GW_IPV4]);
+	} else {
+		arp_stats_params.flag = false;
+	}
+	if (arp_stats_params.flag)
+		QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_INFO,
+			  "%s STATS_SET_START Cleared!!", __func__);
+
+	qdf_mem_zero(&adapter->hdd_stats.hdd_arp_stats,
+		     sizeof(adapter->hdd_stats.hdd_arp_stats));
+
+	arp_stats_params.pkt_type = WLAN_NUD_STATS_ARP_PKT_TYPE;
+	arp_stats_params.vdev_id = adapter->sessionId;
+
+	if (QDF_STATUS_SUCCESS !=
+	    sme_set_nud_debug_stats(hdd_ctx->hHal, &arp_stats_params)) {
+		QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR,
+			  "%s STATS_SET_START CMD Failed!!", __func__);
+		return -EINVAL;
+	}
+
+	EXIT();
+
+	return err;
+}
+
+/**
+ * wlan_hdd_cfg80211_set_nud_stats() - set arp stats command to firmware
+ * @wiphy: pointer to wireless wiphy structure.
+ * @wdev: pointer to wireless_dev structure.
+ * @data: pointer to apfind configuration data.
+ * @data_len: the length in byte of apfind data.
+ *
+ * This is called when wlan driver needs to send arp stats to
+ * firmware.
+ *
+ * Return: An error code or 0 on success.
+ */
+static int wlan_hdd_cfg80211_set_nud_stats(struct wiphy *wiphy,
+					   struct wireless_dev *wdev,
+					   const void *data, int data_len)
+{
+	int ret;
+
+	cds_ssr_protect(__func__);
+	ret = __wlan_hdd_cfg80211_set_nud_stats(wiphy, wdev, data, data_len);
+	cds_ssr_unprotect(__func__);
+
+	return ret;
+}
+
+#undef STATS_SET_INVALID
+#undef STATS_SET_START
+#undef STATS_GW_IPV4
+#undef STATS_SET_MAX
+
+/*
+ * define short names for the global vendor params
+ * used by wlan_hdd_cfg80211_setarp_stats_cmd()
+ */
+#define STATS_GET_INVALID \
+	QCA_ATTR_NUD_STATS_SET_INVALID
+#define COUNT_FROM_NETDEV \
+	QCA_ATTR_NUD_STATS_ARP_REQ_COUNT_FROM_NETDEV
+#define COUNT_TO_LOWER_MAC \
+	QCA_ATTR_NUD_STATS_ARP_REQ_COUNT_TO_LOWER_MAC
+#define RX_COUNT_BY_LOWER_MAC \
+	QCA_ATTR_NUD_STATS_ARP_REQ_RX_COUNT_BY_LOWER_MAC
+#define COUNT_TX_SUCCESS \
+	QCA_ATTR_NUD_STATS_ARP_REQ_COUNT_TX_SUCCESS
+#define RSP_RX_COUNT_BY_LOWER_MAC \
+	QCA_ATTR_NUD_STATS_ARP_RSP_RX_COUNT_BY_LOWER_MAC
+#define RSP_RX_COUNT_BY_UPPER_MAC \
+	QCA_ATTR_NUD_STATS_ARP_RSP_RX_COUNT_BY_UPPER_MAC
+#define RSP_COUNT_TO_NETDEV \
+	QCA_ATTR_NUD_STATS_ARP_RSP_COUNT_TO_NETDEV
+#define RSP_COUNT_OUT_OF_ORDER_DROP \
+	QCA_ATTR_NUD_STATS_ARP_RSP_COUNT_OUT_OF_ORDER_DROP
+#define AP_LINK_ACTIVE \
+	QCA_ATTR_NUD_STATS_AP_LINK_ACTIVE
+#define AP_LINK_DAD \
+	QCA_ATTR_NUD_STATS_IS_DAD
+#define STATS_GET_MAX \
+	QCA_ATTR_NUD_STATS_GET_MAX
+
+const struct nla_policy
+qca_wlan_vendor_get_nud_stats[STATS_GET_MAX + 1] = {
+	[COUNT_FROM_NETDEV] = {.type = NLA_U16 },
+	[COUNT_TO_LOWER_MAC] = {.type = NLA_U16 },
+	[RX_COUNT_BY_LOWER_MAC] = {.type = NLA_U16 },
+	[COUNT_TX_SUCCESS] = {.type = NLA_U16 },
+	[RSP_RX_COUNT_BY_LOWER_MAC] = {.type = NLA_U16 },
+	[RSP_RX_COUNT_BY_UPPER_MAC] = {.type = NLA_U16 },
+	[RSP_COUNT_TO_NETDEV] = {.type = NLA_U16 },
+	[RSP_COUNT_OUT_OF_ORDER_DROP] = {.type = NLA_U16 },
+	[AP_LINK_ACTIVE] = {.type = NLA_FLAG },
+	[AP_LINK_DAD] = {.type = NLA_FLAG },
+};
+
+/**
+ * __wlan_hdd_cfg80211_get_nud_stats() - get arp stats command to firmware
+ * @wiphy: pointer to wireless wiphy structure.
+ * @wdev: pointer to wireless_dev structure.
+ * @data: pointer to apfind configuration data.
+ * @data_len: the length in byte of apfind data.
+ *
+ * This is called when wlan driver needs to get arp stats to
+ * firmware.
+ *
+ * Return: An error code or 0 on success.
+ */
+static int __wlan_hdd_cfg80211_get_nud_stats(struct wiphy *wiphy,
+					     struct wireless_dev *wdev,
+					     const void *data, int data_len)
+{
+	int err = 0;
+	unsigned long rc;
+	struct hdd_nud_stats_context *context;
+	struct net_device *dev = wdev->netdev;
+	struct hdd_adapter *adapter = WLAN_HDD_GET_PRIV_PTR(dev);
+	struct hdd_context *hdd_ctx = wiphy_priv(wiphy);
+	struct get_arp_stats_params arp_stats_params;
+	struct sk_buff *skb;
+
+	ENTER();
+
+	err = wlan_hdd_validate_context(hdd_ctx);
+	if (0 != err)
+		return err;
+
+	arp_stats_params.pkt_type = WLAN_NUD_STATS_ARP_PKT_TYPE;
+	arp_stats_params.vdev_id = adapter->sessionId;
+
+	spin_lock(&hdd_context_lock);
+	context = &hdd_ctx->nud_stats_context;
+	INIT_COMPLETION(context->response_event);
+	spin_unlock(&hdd_context_lock);
+
+	if (QDF_STATUS_SUCCESS !=
+	    sme_get_nud_debug_stats(hdd_ctx->hHal, &arp_stats_params)) {
+		QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR,
+			  "%s STATS_SET_START CMD Failed!!", __func__);
+		return -EINVAL;
+	}
+
+	rc = wait_for_completion_timeout(&context->response_event,
+					 msecs_to_jiffies(
+						WLAN_WAIT_TIME_NUD_STATS));
+	if (!rc) {
+		hdd_err("Target response timed out request ");
+		return -ETIMEDOUT;
+	}
+
+	skb = cfg80211_vendor_cmd_alloc_reply_skb(wiphy,
+						  WLAN_NUD_STATS_LEN);
+	if (!skb) {
+		hdd_err("%s: cfg80211_vendor_cmd_alloc_reply_skb failed",
+			__func__);
+		return -ENOMEM;
+	}
+
+	if (nla_put_u16(skb, COUNT_FROM_NETDEV,
+			adapter->hdd_stats.hdd_arp_stats.tx_count) ||
+	    nla_put_u16(skb, COUNT_TO_LOWER_MAC,
+			adapter->hdd_stats.hdd_arp_stats.tx_host_fw_sent) ||
+	    nla_put_u16(skb, RX_COUNT_BY_LOWER_MAC,
+			adapter->hdd_stats.hdd_arp_stats.tx_fw_cnt) ||
+	    nla_put_u16(skb, COUNT_TX_SUCCESS,
+			adapter->hdd_stats.hdd_arp_stats.tx_ack_cnt) ||
+	    nla_put_u16(skb, RSP_RX_COUNT_BY_LOWER_MAC,
+			adapter->hdd_stats.hdd_arp_stats.rx_fw_cnt) ||
+	    nla_put_u16(skb, RSP_RX_COUNT_BY_UPPER_MAC,
+			adapter->hdd_stats.hdd_arp_stats.rx_count) ||
+	    nla_put_u16(skb, RSP_COUNT_TO_NETDEV,
+			adapter->hdd_stats.hdd_arp_stats.rx_delivered) ||
+	    nla_put_u16(skb, RSP_COUNT_OUT_OF_ORDER_DROP,
+			adapter->hdd_stats.hdd_arp_stats.
+			rx_host_drop_reorder)) {
+		hdd_err("nla put fail");
+		kfree_skb(skb);
+		return -EINVAL;
+	}
+	if (adapter->con_status)
+		nla_put_flag(skb, AP_LINK_ACTIVE);
+	if (adapter->dad)
+		nla_put_flag(skb, AP_LINK_DAD);
+
+	cfg80211_vendor_cmd_reply(skb);
+	return err;
+}
+
+/**
+ * wlan_hdd_cfg80211_get_nud_stats() - get arp stats command to firmware
+ * @wiphy: pointer to wireless wiphy structure.
+ * @wdev: pointer to wireless_dev structure.
+ * @data: pointer to apfind configuration data.
+ * @data_len: the length in byte of apfind data.
+ *
+ * This is called when wlan driver needs to get arp stats to
+ * firmware.
+ *
+ * Return: An error code or 0 on success.
+ */
+static int wlan_hdd_cfg80211_get_nud_stats(struct wiphy *wiphy,
+					   struct wireless_dev *wdev,
+					   const void *data, int data_len)
+{
+	int ret;
+
+	cds_ssr_protect(__func__);
+	ret = __wlan_hdd_cfg80211_get_nud_stats(wiphy, wdev, data, data_len);
+	cds_ssr_unprotect(__func__);
+
+	return ret;
+}
+
+#undef QCA_ATTR_NUD_STATS_SET_INVALID
+#undef QCA_ATTR_NUD_STATS_ARP_REQ_COUNT_FROM_NETDEV
+#undef QCA_ATTR_NUD_STATS_ARP_REQ_COUNT_TO_LOWER_MAC
+#undef QCA_ATTR_NUD_STATS_ARP_REQ_RX_COUNT_BY_LOWER_MAC
+#undef QCA_ATTR_NUD_STATS_ARP_REQ_COUNT_TX_SUCCESS
+#undef QCA_ATTR_NUD_STATS_ARP_RSP_RX_COUNT_BY_LOWER_MAC
+#undef QCA_ATTR_NUD_STATS_ARP_RSP_RX_COUNT_BY_UPPER_MAC
+#undef QCA_ATTR_NUD_STATS_ARP_RSP_COUNT_TO_NETDEV
+#undef QCA_ATTR_NUD_STATS_ARP_RSP_COUNT_OUT_OF_ORDER_DROP
+#undef QCA_ATTR_NUD_STATS_AP_LINK_ACTIVE
+#undef QCA_ATTR_NUD_STATS_GET_MAX
 
 void hdd_bt_activity_cb(void *context, uint32_t bt_activity)
 {
@@ -11874,6 +12168,22 @@ const struct wiphy_vendor_command hdd_wiphy_vendor_commands[] = {
 				 WIPHY_VENDOR_CMD_NEED_RUNNING,
 		.doit = wlan_hdd_cfg80211_ll_stats_ext_set_param
 	},
+	{
+		.info.vendor_id = QCA_NL80211_VENDOR_ID,
+		.info.subcmd = QCA_NL80211_VENDOR_SUBCMD_NUD_STATS_SET,
+		.flags = WIPHY_VENDOR_CMD_NEED_WDEV |
+			WIPHY_VENDOR_CMD_NEED_NETDEV |
+			WIPHY_VENDOR_CMD_NEED_RUNNING,
+		.doit = wlan_hdd_cfg80211_set_nud_stats
+	},
+	{
+		.info.vendor_id = QCA_NL80211_VENDOR_ID,
+		.info.subcmd = QCA_NL80211_VENDOR_SUBCMD_NUD_STATS_GET,
+		.flags = WIPHY_VENDOR_CMD_NEED_WDEV |
+			WIPHY_VENDOR_CMD_NEED_NETDEV |
+			WIPHY_VENDOR_CMD_NEED_RUNNING,
+		.doit = wlan_hdd_cfg80211_get_nud_stats
+	},
 
 #ifdef WLAN_UMAC_CONVERGENCE
 	COMMON_VENDOR_COMMANDS

core/hdd/src/wlan_hdd_main.c

@@ -7629,6 +7629,7 @@ static int hdd_context_init(struct hdd_context *hdd_ctx)
 	hdd_ctx->max_intf_count = CSR_ROAM_SESSION_MAX;
 
 	hdd_init_ll_stats_ctx();
+	hdd_init_nud_stats_ctx(hdd_ctx);
 
 	init_completion(&hdd_ctx->mc_sus_event_var);
 	init_completion(&hdd_ctx->ready_to_suspend);
@@ -9892,6 +9893,68 @@ void hdd_wlan_update_target_info(struct hdd_context *hdd_ctx, void *context)
 	hdd_ctx->target_type = tgt_info->target_type;
 }
 
+/**
+ * hdd_get_nud_stats_cb() - callback api to update the stats
+ *	received from the firmware
+ * @data: pointer to adapter.
+ * @rsp: pointer to data received from FW.
+ *
+ * This is called when wlan driver received response event for
+ *	get arp stats to firmware.
+ *
+ * Return: None
+ */
+static void hdd_get_nud_stats_cb(void *data, struct rsp_stats *rsp)
+{
+	struct hdd_context *hdd_ctx = (struct hdd_context *)data;
+	struct hdd_nud_stats_context *context;
+	int status;
+	struct hdd_adapter *adapter = NULL;
+
+	ENTER();
+
+	if (!rsp) {
+		hdd_err("data is null");
+		return;
+	}
+
+	status = wlan_hdd_validate_context(hdd_ctx);
+	if (0 != status)
+		return;
+
+	adapter = hdd_get_adapter_by_vdev(hdd_ctx, rsp->vdev_id);
+	if ((NULL == adapter) || (WLAN_HDD_ADAPTER_MAGIC != adapter->magic)) {
+		hdd_err("Invalid adapter or adapter has invalid magic");
+		return;
+	}
+
+	hdd_notice("rsp->arp_req_enqueue :%x", rsp->arp_req_enqueue);
+	hdd_notice("rsp->arp_req_tx_success :%x", rsp->arp_req_tx_success);
+	hdd_notice("rsp->arp_req_tx_failure :%x", rsp->arp_req_tx_failure);
+	hdd_notice("rsp->arp_rsp_recvd :%x", rsp->arp_rsp_recvd);
+	hdd_notice("rsp->out_of_order_arp_rsp_drop_cnt :%x",
+		   rsp->out_of_order_arp_rsp_drop_cnt);
+	hdd_notice("rsp->dad_detected :%x", rsp->dad_detected);
+	hdd_notice("rsp->connect_status :%x", rsp->connect_status);
+	hdd_notice("rsp->ba_session_establishment_status :%x",
+		   rsp->ba_session_establishment_status);
+
+	adapter->hdd_stats.hdd_arp_stats.tx_fw_cnt = rsp->arp_req_enqueue;
+	adapter->hdd_stats.hdd_arp_stats.rx_fw_cnt = rsp->arp_rsp_recvd;
+	adapter->hdd_stats.hdd_arp_stats.tx_ack_cnt = rsp->arp_req_tx_success;
+	adapter->dad |= rsp->dad_detected;
+	adapter->con_status = rsp->connect_status;
+
+	spin_lock(&hdd_context_lock);
+	context = &hdd_ctx->nud_stats_context;
+	complete(&context->response_event);
+	spin_unlock(&hdd_context_lock);
+
+	EXIT();
+
+	return;
+}
+
 /**
  * hdd_register_cb - Register HDD callbacks.
  * @hdd_ctx: HDD context
@@ -9935,6 +9998,8 @@ int hdd_register_cb(struct hdd_context *hdd_ctx)
 	sme_set_rssi_threshold_breached_cb(hdd_ctx->hHal,
 				hdd_rssi_threshold_breached);
 
+	sme_set_nud_debug_stats_cb(hdd_ctx->hHal, hdd_get_nud_stats_cb);
+
 	sme_set_link_layer_stats_ind_cb(hdd_ctx->hHal,
 				wlan_hdd_cfg80211_link_layer_stats_callback);
 

core/mac/inc/sir_api.h

@@ -7529,6 +7529,53 @@ struct sir_del_all_tdls_peers {
 	struct qdf_mac_addr bssid;
 };
 
+/**
+ * struct rsp_stats - arp packet stats
+ * @arp_req_enqueue: fw tx count
+ * @arp_req_tx_success: tx ack count
+ * @arp_req_tx_failure: tx ack fail count
+ * @arp_rsp_recvd: rx fw count
+ * @out_of_order_arp_rsp_drop_cnt: out of order count
+ * @dad_detected: dad detected
+ * @connect_status: connection status
+ * @ba_session_establishment_status: BA session status
+ */
+struct rsp_stats {
+	uint32_t vdev_id;
+	uint32_t arp_req_enqueue;
+	uint32_t arp_req_tx_success;
+	uint32_t arp_req_tx_failure;
+	uint32_t arp_rsp_recvd;
+	uint32_t out_of_order_arp_rsp_drop_cnt;
+	uint32_t dad_detected;
+	uint32_t connect_status;
+	uint32_t ba_session_establishment_status;
+};
+
+/**
+ * struct set_arp_stats_params - set/reset arp stats
+ * @vdev_id: session id
+ * @flag: enable/disable stats
+ * @pkt_type: type of packet(1 - arp)
+ * @ip_addr: subnet ipv4 address in case of encrypted packets
+ */
+struct set_arp_stats_params {
+	uint32_t vdev_id;
+	uint8_t flag;
+	uint8_t pkt_type;
+	uint32_t ip_addr;
+};
+
+/**
+ * struct get_arp_stats_params - get arp stats from firmware
+ * @pkt_type: packet type(1 - ARP)
+ * @vdev_id: session id
+ */
+struct get_arp_stats_params {
+	uint8_t pkt_type;
+	uint32_t vdev_id;
+};
+
 /*
  * @SCAN_REJECT_DEFAULT: default value
  * @CONNECTION_IN_PROGRESS: connection is in progress

core/mac/src/include/sir_params.h

@@ -649,6 +649,11 @@ typedef struct sSirMbMsgP2p {
 
 #define SIR_HAL_GET_PEER_INFO               (SIR_HAL_ITC_MSG_TYPES_BEGIN + 386)
 #define SIR_HAL_GET_PEER_INFO_EXT           (SIR_HAL_ITC_MSG_TYPES_BEGIN + 387)
+
+/* ARP Debug stats */
+#define SIR_HAL_SET_ARP_STATS_REQ           (SIR_HAL_ITC_MSG_TYPES_BEGIN + 388)
+#define SIR_HAL_GET_ARP_STATS_REQ           (SIR_HAL_ITC_MSG_TYPES_BEGIN + 389)
+
 #define SIR_HAL_MSG_TYPES_END               (SIR_HAL_MSG_TYPES_BEGIN + 0x1FF)
 
 /* CFG message types */

core/sme/inc/sme_api.h

@@ -1425,6 +1425,16 @@ void sme_set_cc_src(tHalHandle hal_handle, enum country_src);
 QDF_STATUS sme_set_wow_pulse(struct wow_pulse_mode *wow_pulse_set_info);
 #endif
 
+/* ARP DEBUG STATS */
+QDF_STATUS sme_set_nud_debug_stats(tHalHandle hal,
+				   struct set_arp_stats_params
+				   *set_stats_param);
+QDF_STATUS sme_get_nud_debug_stats(tHalHandle hal,
+				   struct get_arp_stats_params
+				   *get_stats_param);
+QDF_STATUS sme_set_nud_debug_stats_cb(tHalHandle hal,
+				      void (*cb)(void *, struct rsp_stats *));
+
 /**
  * sme_set_chan_info_callback() - Register chan info callback
  * @hal - MAC global handle

core/sme/inc/sme_internal.h

@@ -268,6 +268,7 @@ typedef struct tagSmeStruct {
 	void (*chip_power_save_fail_cb)(void *,
 			struct chip_pwr_save_fail_detected_params *);
 	void (*bt_activity_info_cb)(void *context, uint32_t bt_activity);
+	void (*get_arp_stats_cb)(void *, struct rsp_stats *);
 	get_chain_rssi_callback get_chain_rssi_cb;
 	void *get_chain_rssi_context;
 } tSmeStruct, *tpSmeStruct;

core/sme/src/common/sme_api.c

@@ -14109,6 +14109,41 @@ void sme_update_user_configured_nss(tHalHandle hal, uint8_t nss)
 	mac_ctx->user_configured_nss = nss;
 }
 
+/**
+ * sme_set_nud_debug_stats_cb() - set nud debug stats callback
+ * @hal: global hal handle
+ * @cb: callback function pointer
+ *
+ * This function stores nud debug stats callback function.
+ *
+ * Return: QDF_STATUS enumeration.
+ */
+QDF_STATUS sme_set_nud_debug_stats_cb(tHalHandle hal,
+				void (*cb)(void *, struct rsp_stats *))
+{
+	QDF_STATUS status  = QDF_STATUS_SUCCESS;
+	tpAniSirGlobal mac;
+
+	if (!hal) {
+		QDF_TRACE(QDF_MODULE_ID_SME, QDF_TRACE_LEVEL_ERROR,
+				  FL("hal is not valid"));
+		return QDF_STATUS_E_INVAL;
+	}
+	mac = PMAC_STRUCT(hal);
+
+	status = sme_acquire_global_lock(&mac->sme);
+	if (!QDF_IS_STATUS_SUCCESS(status)) {
+		QDF_TRACE(QDF_MODULE_ID_SME, QDF_TRACE_LEVEL_ERROR,
+			FL("sme_acquire_global_lock failed!(status=%d)"),
+			status);
+		return status;
+	}
+
+	mac->sme.get_arp_stats_cb = cb;
+	sme_release_global_lock(&mac->sme);
+	return status;
+}
+
 /**
  * sme_set_rssi_threshold_breached_cb() - set rssi threshold breached callback
  * @h_hal: global hal handle
@@ -16306,6 +16341,80 @@ QDF_STATUS sme_delete_all_tdls_peers(tHalHandle hal, uint8_t session_id)
 	return status;
 }
 
+/* ARP DEBUG STATS */
+
+/**
+ * sme_set_nud_debug_stats() - sme api to set nud debug stats
+ * @hal: handle to hal
+ * @set_stats_param: pointer to set stats param
+ *
+ * Return: Return QDF_STATUS.
+ */
+QDF_STATUS sme_set_nud_debug_stats(tHalHandle hal,
+				   struct set_arp_stats_params
+				   *set_stats_param)
+{
+	struct set_arp_stats_params *arp_set_param;
+	struct scheduler_msg msg;
+
+	arp_set_param = qdf_mem_malloc(sizeof(*arp_set_param));
+	if (arp_set_param == NULL) {
+		sme_err("Memory allocation failure");
+		return QDF_STATUS_E_NOMEM;
+	}
+
+	qdf_mem_copy(arp_set_param, set_stats_param, sizeof(*arp_set_param));
+
+	msg.type = WMA_SET_ARP_STATS_REQ;
+	msg.reserved = 0;
+	msg.bodyptr = arp_set_param;
+
+	if (QDF_STATUS_SUCCESS !=
+	    scheduler_post_msg(QDF_MODULE_ID_WMA, &msg)) {
+		sme_err("Not able to post message to WDA");
+		qdf_mem_free(arp_set_param);
+		return QDF_STATUS_E_FAILURE;
+	}
+
+	return QDF_STATUS_SUCCESS;
+}
+
+/**
+ * sme_get_nud_debug_stats() - sme api to get nud debug stats
+ * @hal: handle to hal
+ * @get_stats_param: pointer to set stats param
+ *
+ * Return: Return QDF_STATUS.
+ */
+QDF_STATUS sme_get_nud_debug_stats(tHalHandle hal,
+				   struct get_arp_stats_params
+				   *get_stats_param)
+{
+	struct get_arp_stats_params *arp_get_param;
+	struct scheduler_msg msg;
+
+	arp_get_param = qdf_mem_malloc(sizeof(*arp_get_param));
+	if (arp_get_param == NULL) {
+		sme_err("Memory allocation failure");
+		return QDF_STATUS_E_NOMEM;
+	}
+
+	qdf_mem_copy(arp_get_param, get_stats_param, sizeof(*arp_get_param));
+
+	msg.type = WMA_GET_ARP_STATS_REQ;
+	msg.reserved = 0;
+	msg.bodyptr = arp_get_param;
+
+	if (QDF_STATUS_SUCCESS !=
+	    scheduler_post_msg(QDF_MODULE_ID_WMA, &msg)) {
+		sme_err("Not able to post message to WDA");
+		qdf_mem_free(arp_get_param);
+		return QDF_STATUS_E_FAILURE;
+	}
+
+	return QDF_STATUS_SUCCESS;
+}
+
 QDF_STATUS sme_set_peer_param(uint8_t *peer_addr, uint32_t param_id,
 			      uint32_t param_value, uint32_t vdev_id)
 {

core/wma/inc/wma_internal.h

@@ -1290,6 +1290,8 @@ wma_send_vdev_start_to_fw(t_wma_handle *wma, struct vdev_start_params *params);
  */
 QDF_STATUS wma_send_vdev_stop_to_fw(t_wma_handle *wma, uint8_t vdev_id);
 
+int wma_get_arp_stats_handler(void *handle, uint8_t *data, uint32_t data_len);
+
 /**
  * wma_send_vdev_up_to_fw() - send the vdev up command to firmware
  * @wma: a reference to the global WMA handle

core/wma/inc/wma_types.h

@@ -479,6 +479,9 @@
 
 #define WMA_SET_PER_ROAM_CONFIG_CMD          SIR_HAL_SET_PER_ROAM_CONFIG_CMD
 
+#define WMA_SET_ARP_STATS_REQ                SIR_HAL_SET_ARP_STATS_REQ
+#define WMA_GET_ARP_STATS_REQ                SIR_HAL_GET_ARP_STATS_REQ
+
 /* Bit 6 will be used to control BD rate for Management frames */
 #define HAL_USE_BD_RATE2_FOR_MANAGEMENT_FRAME 0x40
 

core/wma/src/wma_features.c

@@ -5177,6 +5177,64 @@ int wma_encrypt_decrypt_msg_handler(void *handle, uint8_t *data,
 }
 #endif
 
+/**
+ * wma_get_arp_stats_handler() - handle arp stats data
+ * indicated by FW
+ * @handle: wma context
+ * @data: event buffer
+ * @data len: length of event buffer
+ *
+ * Return: 0 on success
+ */
+int wma_get_arp_stats_handler(void *handle, uint8_t *data,
+			uint32_t data_len)
+{
+	WMI_VDEV_GET_ARP_STAT_EVENTID_param_tlvs *param_buf;
+	wmi_vdev_get_arp_stats_event_fixed_param *data_event;
+	struct rsp_stats rsp;
+	tpAniSirGlobal mac = cds_get_context(QDF_MODULE_ID_PE);
+
+	if (!mac) {
+		WMA_LOGE("%s: Invalid mac context", __func__);
+		return -EINVAL;
+	}
+
+	if (!mac->sme.get_arp_stats_cb) {
+		WMA_LOGE("%s: Callback not registered", __func__);
+		return -EINVAL;
+	}
+
+	if (data == NULL) {
+		WMA_LOGE("%s: invalid pointer", __func__);
+		return -EINVAL;
+	}
+	param_buf = (WMI_VDEV_GET_ARP_STAT_EVENTID_param_tlvs *)data;
+	if (!param_buf) {
+		WMA_LOGE("%s: Invalid get arp stats event", __func__);
+		return -EINVAL;
+	}
+	data_event = param_buf->fixed_param;
+	if (!data_event) {
+		WMA_LOGE("%s: Invalid get arp stats data event", __func__);
+		return -EINVAL;
+	}
+	rsp.arp_req_enqueue = data_event->arp_req_enqueue;
+	rsp.vdev_id = data_event->vdev_id;
+	rsp.arp_req_tx_success = data_event->arp_req_tx_success;
+	rsp.arp_req_tx_failure = data_event->arp_req_tx_failure;
+	rsp.arp_rsp_recvd = data_event->arp_rsp_recvd;
+	rsp.out_of_order_arp_rsp_drop_cnt =
+		data_event->out_of_order_arp_rsp_drop_cnt;
+	rsp.dad_detected = data_event->dad_detected;
+	rsp.connect_status = data_event->connect_status;
+	rsp.ba_session_establishment_status =
+		data_event->ba_session_establishment_status;
+
+	mac->sme.get_arp_stats_cb(mac->hHdd, &rsp);
+
+	return 0;
+}
+
 /**
  * wma_unified_power_debug_stats_event_handler() - WMA handler function to
  * handle Power stats event from firmware

core/wma/src/wma_main.c

@@ -2526,6 +2526,12 @@ QDF_STATUS wma_open(struct wlan_objmgr_psoc *psoc,
 					   wma_stats_event_handler,
 					   WMA_RX_SERIALIZER_CTX);
 
+	/* register for stats response event */
+	wmi_unified_register_event_handler(wma_handle->wmi_handle,
+					   WMI_VDEV_GET_ARP_STAT_EVENTID,
+					   wma_get_arp_stats_handler,
+					   WMA_RX_SERIALIZER_CTX);
+
 	/* register for peer info response event */
 	wmi_unified_register_event_handler(wma_handle->wmi_handle,
 					   WMI_PEER_STATS_INFO_EVENTID,
@@ -6577,6 +6583,62 @@ static QDF_STATUS wma_process_power_debug_stats_req(tp_wma_handle wma_handle)
 }
 #endif
 
+/**
+ * wma_set_arp_req_stats() - process set arp stats request command to fw
+ * @wma_handle: WMA handle
+ * @req_buf: set srp stats request buffer
+ *
+ * Return: None
+ */
+static void wma_set_arp_req_stats(WMA_HANDLE handle,
+				  struct set_arp_stats_params *req_buf)
+{
+	int status;
+	struct set_arp_stats *arp_stats;
+	tp_wma_handle wma_handle = (tp_wma_handle) handle;
+
+	if (!wma_handle || !wma_handle->wmi_handle) {
+		WMA_LOGE("%s: WMA is closed, cannot send per roam config",
+			 __func__);
+		return;
+	}
+
+	arp_stats = (struct set_arp_stats *)req_buf;
+	status = wmi_unified_set_arp_stats_req(wma_handle->wmi_handle,
+					       arp_stats);
+	if (status != EOK)
+		WMA_LOGE("%s: failed to set arp stats to FW",
+			 __func__);
+}
+
+/**
+ * wma_get_arp_req_stats() - process get arp stats request command to fw
+ * @wma_handle: WMA handle
+ * @req_buf: get srp stats request buffer
+ *
+ * Return: None
+ */
+static void wma_get_arp_req_stats(WMA_HANDLE handle,
+				  struct get_arp_stats_params *req_buf)
+{
+	int status;
+	struct get_arp_stats *arp_stats;
+	tp_wma_handle wma_handle = (tp_wma_handle) handle;
+
+	if (!wma_handle || !wma_handle->wmi_handle) {
+		WMA_LOGE("%s: WMA is closed, cannot send per roam config",
+			 __func__);
+		return;
+	}
+
+	arp_stats = (struct get_arp_stats *)req_buf;
+	status = wmi_unified_get_arp_stats_req(wma_handle->wmi_handle,
+					       arp_stats);
+	if (status != EOK)
+		WMA_LOGE("%s: failed to send get arp stats to FW",
+			 __func__);
+}
+
 QDF_STATUS wma_set_rx_reorder_timeout_val(tp_wma_handle wma_handle,
 	struct sir_set_rx_reorder_timeout_val *reorder_timeout)
 {
@@ -7507,6 +7569,16 @@ static QDF_STATUS wma_mc_process_msg(struct scheduler_msg *msg)
 			(struct wmi_dbs_scan_sel_params *)msg->bodyptr);
 		qdf_mem_free(msg->bodyptr);
 		break;
+	case WMA_SET_ARP_STATS_REQ:
+		wma_set_arp_req_stats(wma_handle,
+			(struct set_arp_stats_params *)msg->bodyptr);
+		qdf_mem_free(msg->bodyptr);
+		break;
+	case WMA_GET_ARP_STATS_REQ:
+		wma_get_arp_req_stats(wma_handle,
+			(struct get_arp_stats_params *)msg->bodyptr);
+		qdf_mem_free(msg->bodyptr);
+		break;
 	default:
 		WMA_LOGE("Unhandled WMA message of type %d", msg->type);
 		if (msg->bodyptr)