qcacmn: Update rx histogram stats appropriately

Increment number of packets processed per pdev
per interrupt before updating rx histogram
stats counter.

Change-Id: I0d6c59a6a115df168f7755ce94faa90dcc753e13
CRs-Fixed: 2418384

dp/wifi3.0/dp_rx.c

@@ -1644,7 +1644,6 @@ uint32_t dp_rx_process(struct dp_intr *int_ctx, void *hal_ring,
 		if (qdf_likely(!qdf_nbuf_is_rx_chfrag_cont(rx_desc->nbuf)))
 			quota -= 1;
 
-
 		dp_rx_add_to_free_desc_list(&head[rx_desc->pool_id],
 						&tail[rx_desc->pool_id],
 						rx_desc);
@@ -1655,9 +1654,6 @@ done:
 	if (nbuf_tail)
 		QDF_NBUF_CB_RX_FLUSH_IND(nbuf_tail) = 1;
 
-	/* Update histogram statistics by looping through pdev's */
-	DP_RX_HIST_STATS_PER_PDEV();
-
 	for (mac_id = 0; mac_id < MAX_PDEV_CNT; mac_id++) {
 		/*
 		 * continue with next mac_id if no pkts were reaped
@@ -1948,6 +1944,9 @@ done:
 		dp_peer_unref_del_find_by_id(peer);
 	}
 
+	/* Update histogram statistics by looping through pdev's */
+	DP_RX_HIST_STATS_PER_PDEV();
+
 	if (deliver_list_head)
 		dp_rx_deliver_to_stack(vdev, peer, deliver_list_head,
 				       deliver_list_tail);