qosmngr: accumulation of stats done based on driver does read and reset of stats or read.

src/qosmngr.c

@@ -203,6 +203,7 @@ static int prepare_stats_blob(struct blob_buf *b, struct qos_stats *stats, void
 {
 	int index;
 	int ret = 0;
+	int is_read_and_reset;
 
 	// Initialize global q_stat global struct
 	if (init_flag) {
@@ -214,7 +215,7 @@ static int prepare_stats_blob(struct blob_buf *b, struct qos_stats *stats, void
 		init_flag = 0;
 	}
 
-	ret = qos_get_stats(ifname, qid, stats);
+	ret = qos_get_stats(ifname, qid, stats, &is_read_and_reset);
 	if (ret != 0) {
 		syslog(LOG_ERR, "blob_get_status: ret %d\n", ret);
 		return ret;
@@ -222,10 +223,19 @@ static int prepare_stats_blob(struct blob_buf *b, struct qos_stats *stats, void
 
 	index = get_interface_index(ifname);
 
-	q_stat[index][qid].tx_packets += stats->tx_packets;
-	q_stat[index][qid].tx_bytes += stats->tx_bytes;
-	q_stat[index][qid].tx_dropped_packets += stats->tx_dropped_packets;
-	q_stat[index][qid].tx_dropped_bytes += stats->tx_dropped_bytes;
+	/*BCM968 CHIP, stats read from driver is accunulated stats, while in other its read and reset */
+	if (!is_read_and_reset)	{
+		q_stat[index][qid].tx_packets = stats->tx_packets;
+		q_stat[index][qid].tx_bytes = stats->tx_bytes;
+		q_stat[index][qid].tx_dropped_packets = stats->tx_dropped_packets;
+		q_stat[index][qid].tx_dropped_bytes = stats->tx_dropped_bytes;
+	}
+	else {
+		q_stat[index][qid].tx_packets += stats->tx_packets;
+		q_stat[index][qid].tx_bytes += stats->tx_bytes;
+		q_stat[index][qid].tx_dropped_packets += stats->tx_dropped_packets;
+		q_stat[index][qid].tx_dropped_bytes += stats->tx_dropped_bytes;
+	}
 
 	dd = blobmsg_open_table(b, "");