NFP_NET_CFG_STATS_RX_DISCARDS
stats->rx_dropped += nn_readq(nn, NFP_NET_CFG_STATS_RX_DISCARDS);
{ "dev_rx_discards", NFP_NET_CFG_STATS_RX_DISCARDS },
stats->tx_dropped = readq(port->vnic + NFP_NET_CFG_STATS_RX_DISCARDS);