On Fri, 28 Jun 2019 10:56:33 -0700 Catherine Sullivan <csu...@google.com> wrote:
> +static void > +gve_get_ethtool_stats(struct net_device *netdev, > + struct ethtool_stats *stats, u64 *data) > +{ > + struct gve_priv *priv = netdev_priv(netdev); > + u64 rx_pkts, rx_bytes, tx_pkts, tx_bytes; > + int ring; > + int i; > + > + ASSERT_RTNL(); > + > + for (rx_pkts = 0, rx_bytes = 0, ring = 0; > + ring < priv->rx_cfg.num_queues; ring++) { > + if (priv->rx) { > + rx_pkts += priv->rx[ring].rpackets; > + rx_bytes += priv->rx[ring].rbytes; > + } > + } > + for (tx_pkts = 0, tx_bytes = 0, ring = 0; > + ring < priv->tx_cfg.num_queues; ring++) { > + if (priv->tx) { > + tx_pkts += priv->tx[ring].pkt_done; > + tx_bytes += priv->tx[ring].bytes_done; > + } > + } > + memset(data, 0, GVE_MAIN_STATS_LEN * sizeof(*data)); memset here is unnecessary since ethtool_get_stats allocates and zeros the memory already.