qcacld-3.0: Parse tx packets only once in tx datapath

Classify tx packets at one place and store packet type in
skb cb structure to avoid multiple check to determine
packet type at various layers.

Change-Id: Id2ea9b08bdcbc62b1d96d983d19bcf71becc9c42
CRs-Fixed: 1022454
diff --git a/core/hdd/src/wlan_hdd_softap_tx_rx.c b/core/hdd/src/wlan_hdd_softap_tx_rx.c
index 43470b9..f893aab 100644
--- a/core/hdd/src/wlan_hdd_softap_tx_rx.c
+++ b/core/hdd/src/wlan_hdd_softap_tx_rx.c
@@ -251,10 +251,12 @@
 		goto drop_pkt;
 	}
 
+	wlan_hdd_classify_pkt(skb);
+
 	pDestMacAddress = (struct qdf_mac_addr *) skb->data;
 
-	if (qdf_is_macaddr_broadcast(pDestMacAddress) ||
-	    qdf_is_macaddr_group(pDestMacAddress)) {
+	if (QDF_NBUF_CB_GET_IS_BCAST(skb) ||
+	    QDF_NBUF_CB_GET_IS_MCAST(skb)) {
 		/* The BC/MC station ID is assigned during BSS
 		 * starting phase.  SAP will return the station ID
 		 * used for BC/MC traffic.
@@ -324,8 +326,7 @@
 	pAdapter->stats.tx_bytes += skb->len;
 	++pAdapter->stats.tx_packets;
 
-	/* Zero out skb's context buffer for the driver to use */
-	qdf_mem_set(skb->cb, sizeof(skb->cb), 0);
+	hdd_event_eapol_log(skb, QDF_TX);
 	qdf_dp_trace_log_pkt(pAdapter->sessionId, skb, QDF_TX);
 	QDF_NBUF_CB_TX_PACKET_TRACK(skb) = QDF_NBUF_TX_PKT_DATA_TRACK;
 	QDF_NBUF_UPDATE_TX_PKT_COUNT(skb, QDF_NBUF_TX_PKT_HDD);
@@ -593,6 +594,7 @@
 	++pAdapter->stats.rx_packets;
 	pAdapter->stats.rx_bytes += skb->len;
 
+	hdd_event_eapol_log(skb, QDF_RX);
 	DPTRACE(qdf_dp_trace(rxBuf,
 		QDF_DP_TRACE_RX_HDD_PACKET_PTR_RECORD,
 		qdf_nbuf_data_addr(rxBuf),