- if (priv_read_dev_counters(priv, counters) < 0)
- return;
- for (i = 0; i != n; ++i)
- xstats_ctrl->base[i] = counters[i];
+ if (n >= mlx5_stats_n && stats) {
+ int stats_n;
+ int ret;
+
+ stats_n = mlx5_ethtool_get_stats_n(dev);
+ if (stats_n < 0)
+ return stats_n;
+ if (xstats_ctrl->stats_n != stats_n)
+ mlx5_stats_init(dev);
+ ret = mlx5_read_dev_counters(dev, counters);
+ if (ret)
+ return ret;
+ for (i = 0; i != mlx5_stats_n; ++i) {
+ stats[i].id = i;
+ if (xstats_ctrl->info[i].ib) {
+ uint64_t wrap_n;
+ uint64_t hw_stat = xstats_ctrl->hw_stats[i];
+
+ stats[i].value = (counters[i] -
+ xstats_ctrl->base[i]) &
+ (uint64_t)UINT32_MAX;
+ wrap_n = hw_stat >> 32;
+ if (stats[i].value <
+ (hw_stat & (uint64_t)UINT32_MAX))
+ wrap_n++;
+ stats[i].value |= (wrap_n) << 32;
+ xstats_ctrl->hw_stats[i] = stats[i].value;
+ } else {
+ stats[i].value =
+ (counters[i] - xstats_ctrl->base[i]);
+ }
+ }
+ }
+ return mlx5_stats_n;