qcacld-3.0: Update few arp stats on get_nud_stats

Update few arp stats as part of get_nud_stats request
from userspace.

Change-Id: Ibf70cb66f316f329f2791b746e6b0236bbf2be74
CRs-Fixed: 2655508

core/hdd/src/wlan_hdd_cfg80211.c

@@ -13273,6 +13273,8 @@ static int __wlan_hdd_cfg80211_get_nud_stats(struct wiphy *wiphy,
 		goto exit;
 	}
 
+	hdd_update_sta_arp_stats(adapter);
+
 	if (nla_put_u16(skb, COUNT_FROM_NETDEV,
 			adapter->hdd_stats.hdd_arp_stats.tx_arp_req_count) ||
 	    nla_put_u16(skb, COUNT_TO_LOWER_MAC,

core/hdd/src/wlan_hdd_stats.c

@@ -43,6 +43,7 @@
 #include "wlan_mlme_ucfg_api.h"
 #include "wlan_hdd_sta_info.h"
 #include "cdp_txrx_misc.h"
+#include "cdp_txrx_host_stats.h"
 
 #if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 0, 0)) && !defined(WITH_BACKPORTS)
 #define HDD_INFO_SIGNAL                 STATION_INFO_SIGNAL
@@ -6197,3 +6198,34 @@ void wlan_hdd_register_cp_stats_cb(struct hdd_context *hdd_ctx)
 }
 #endif
 
+QDF_STATUS hdd_update_sta_arp_stats(struct hdd_adapter *adapter)
+{
+	struct cdp_peer_stats *peer_stats;
+	struct hdd_station_ctx *sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter);
+	struct hdd_arp_stats_s *arp_stats;
+	QDF_STATUS status;
+
+	peer_stats = qdf_mem_malloc(sizeof(*peer_stats));
+	if (!peer_stats)
+		return QDF_STATUS_E_NOMEM;
+
+	status = cdp_host_get_peer_stats(cds_get_context(QDF_MODULE_ID_SOC),
+					 adapter->vdev_id,
+					 sta_ctx->conn_info.bssid.bytes,
+					 peer_stats);
+
+	if (QDF_IS_STATUS_ERROR(status)) {
+		qdf_mem_free(peer_stats);
+		return status;
+	}
+
+	arp_stats = &adapter->hdd_stats.hdd_arp_stats;
+
+	arp_stats->tx_host_fw_sent =
+			arp_stats->tx_arp_req_count - arp_stats->tx_dropped;
+	arp_stats->tx_ack_cnt = arp_stats->tx_host_fw_sent -
+				peer_stats->tx.no_ack_count[QDF_PROTO_ARP_REQ];
+	qdf_mem_free(peer_stats);
+
+	return QDF_STATUS_SUCCESS;
+}

core/hdd/src/wlan_hdd_stats.h

@@ -538,4 +538,11 @@ void wlan_hdd_register_cp_stats_cb(struct hdd_context *hdd_ctx);
 static inline void wlan_hdd_register_cp_stats_cb(struct hdd_context *hdd_ctx) {}
 #endif
 
+/**
+ * hdd_update_sta_arp_stats() - update arp stats
+ * @adapter: adapter context
+ *
+ * Return: An error code or 0 on success.
+ */
+QDF_STATUS hdd_update_sta_arp_stats(struct hdd_adapter *adapter);
 #endif /* end #if !defined(WLAN_HDD_STATS_H) */

core/hdd/src/wlan_hdd_tx_rx.c

@@ -964,9 +964,9 @@ static void __hdd_hard_start_xmit(struct sk_buff *skb,
 
 	wlan_hdd_classify_pkt(skb);
 	if (QDF_NBUF_CB_GET_PACKET_TYPE(skb) == QDF_NBUF_CB_PACKET_TYPE_ARP) {
-		is_arp = true;
 		if (qdf_nbuf_data_is_arp_req(skb) &&
 		    (adapter->track_arp_ip == qdf_nbuf_get_arp_tgt_ip(skb))) {
+			is_arp = true;
 			++adapter->hdd_stats.hdd_arp_stats.tx_arp_req_count;
 			QDF_TRACE(QDF_MODULE_ID_HDD_DATA,
 				  QDF_TRACE_LEVEL_INFO_HIGH,
@@ -2137,8 +2137,7 @@ QDF_STATUS hdd_rx_packet_cbk(void *adapter_context,
 		next = skb->next;
 		skb->next = NULL;
 
-		if (QDF_NBUF_CB_PACKET_TYPE_ARP ==
-		    QDF_NBUF_CB_GET_PACKET_TYPE(skb)) {
+		if (qdf_nbuf_is_ipv4_arp_pkt(skb)) {
 			if (qdf_nbuf_data_is_arp_rsp(skb) &&
 				(adapter->track_arp_ip ==
 			     qdf_nbuf_get_arp_src_ip(skb))) {