qcacmn: Donot forward MDNS packets for NAN vdev

MDNS packets if forwarded for a NAN vdev can lead to potential flooding
of the air interface. Hence donot forward them.

Change-Id: Idfdedfb0b5b553745440587448230013f3b56a7d
CRs-Fixed: 2503360

dp/wifi3.0/dp_stats.c

@@ -5142,6 +5142,9 @@ void dp_txrx_path_stats(struct dp_soc *soc)
 		DP_PRINT_STATS("intra-bss fails %u msdus ( %llu bytes),",
 			       pdev->stats.rx.intra_bss.fail.num,
 			       pdev->stats.rx.intra_bss.fail.bytes);
+		DP_PRINT_STATS("intra-bss no mdns fwds %u msdus",
+			       pdev->stats.rx.intra_bss.mdns_no_fwd);
+
 		DP_PRINT_STATS("raw packets %u msdus ( %llu bytes),",
 			       pdev->stats.rx.raw.num,
 			       pdev->stats.rx.raw.bytes);