net: dsa: use new function dev_fetch_sw_netstats

				  struct rtnl_link_stats64 *stats)

{

	struct dsa_slave_priv *p = netdev_priv(dev);

	struct pcpu_sw_netstats *s;

	unsigned int start;

	int i;

	netdev_stats_to_stats64(stats, &dev->stats);

	for_each_possible_cpu(i) {

		u64 tx_packets, tx_bytes, rx_packets, rx_bytes;

		s = per_cpu_ptr(p->stats64, i);

		do {

			start = u64_stats_fetch_begin_irq(&s->syncp);

			tx_packets = s->tx_packets;

			tx_bytes = s->tx_bytes;

			rx_packets = s->rx_packets;

			rx_bytes = s->rx_bytes;

		} while (u64_stats_fetch_retry_irq(&s->syncp, start));

		stats->tx_packets += tx_packets;

		stats->tx_bytes += tx_bytes;

		stats->rx_packets += rx_packets;

		stats->rx_bytes += rx_bytes;

	}

	dev_fetch_sw_netstats(stats, p->stats64);

}

static int dsa_slave_get_rxnfc(struct net_device *dev,