qcacmn: Add support to update MCAST stats for STA mode

Currently host does not maintain TX completion stats for
MCAST frames separately for STA mode.

Add support to update MCAST stats for STA mode.

CRs-Fixed: 3608640
Change-Id: Ia28a4cd332783a6767704cd0c479235ff27ddd8b

dp/wifi3.0/dp_tx.c

@@ -5931,6 +5931,32 @@ void dp_tx_update_uplink_delay(struct dp_soc *soc, struct dp_vdev *vdev,
 }
 #endif /* WLAN_FEATURE_TSF_UPLINK_DELAY */
 
+#ifndef CONFIG_AP_PLATFORM
+/**
+ * dp_update_mcast_stats() - Update Tx Mcast stats
+ * @txrx_peer: txrx_peer pointer
+ * @link_id: Link ID
+ * @length: packet length
+ * @nbuf: nbuf handle
+ *
+ * Return: None
+ */
+static inline void
+dp_update_mcast_stats(struct dp_txrx_peer *txrx_peer, uint8_t link_id,
+		      uint32_t length, qdf_nbuf_t nbuf)
+{
+	if (QDF_NBUF_CB_GET_IS_MCAST(nbuf))
+		DP_PEER_PER_PKT_STATS_INC_PKT(txrx_peer, tx.mcast, 1,
+					      length, link_id);
+}
+#else
+static inline void
+dp_update_mcast_stats(struct dp_txrx_peer *txrx_peer, uint8_t link_id,
+		      uint32_t length, qdf_nbuf_t nbuf)
+{
+}
+#endif
+
 void dp_tx_comp_process_tx_status(struct dp_soc *soc,
 				  struct dp_tx_desc_s *tx_desc,
 				  struct hal_tx_completion_status *ts,
@@ -6041,6 +6067,8 @@ void dp_tx_comp_process_tx_status(struct dp_soc *soc,
 							      1, length,
 							      link_id);
 			}
+
+			dp_update_mcast_stats(txrx_peer, link_id, length, nbuf);
 		}
 	}