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net/mlx5e: Add new counter for aRFS rule insertion failures
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Count aRFS rules insertion failure for ethtool output. In addition, move
the error print into debug prints mechanism, as it could flood the dmesg
and reduce system BW dramatically.

Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Eran Ben Elisha authored and Saeed Mahameed committed Oct 3, 2018
1 parent e98bedf commit 9456384
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Showing 3 changed files with 10 additions and 2 deletions.
7 changes: 5 additions & 2 deletions drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
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Original file line number Diff line number Diff line change
Expand Up @@ -543,8 +543,11 @@ static struct mlx5_flow_handle *arfs_add_rule(struct mlx5e_priv *priv,
rule = mlx5_add_flow_rules(ft, spec, &flow_act, &dest, 1);
if (IS_ERR(rule)) {
err = PTR_ERR(rule);
netdev_err(priv->netdev, "%s: add rule(filter id=%d, rq idx=%d) failed, err=%d\n",
__func__, arfs_rule->filter_id, arfs_rule->rxq, err);
priv->channel_stats[arfs_rule->rxq].rq.arfs_err++;
mlx5e_dbg(HW, priv,
"%s: add rule(filter id=%d, rq idx=%d, ip proto=0x%x) failed,err=%d\n",
__func__, arfs_rule->filter_id, arfs_rule->rxq,
tuple->ip_proto, err);
}

out:
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3 changes: 3 additions & 0 deletions drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
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Original file line number Diff line number Diff line change
Expand Up @@ -93,6 +93,7 @@ static const struct counter_desc sw_stats_desc[] = {
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_cache_busy) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_cache_waive) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_congst_umr) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_arfs_err) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, ch_events) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, ch_poll) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, ch_arm) },
Expand Down Expand Up @@ -170,6 +171,7 @@ void mlx5e_grp_sw_update_stats(struct mlx5e_priv *priv)
s->rx_cache_busy += rq_stats->cache_busy;
s->rx_cache_waive += rq_stats->cache_waive;
s->rx_congst_umr += rq_stats->congst_umr;
s->rx_arfs_err += rq_stats->arfs_err;
s->ch_events += ch_stats->events;
s->ch_poll += ch_stats->poll;
s->ch_arm += ch_stats->arm;
Expand Down Expand Up @@ -1161,6 +1163,7 @@ static const struct counter_desc rq_stats_desc[] = {
{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, cache_busy) },
{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, cache_waive) },
{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, congst_umr) },
{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, arfs_err) },
};

static const struct counter_desc sq_stats_desc[] = {
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2 changes: 2 additions & 0 deletions drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
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Original file line number Diff line number Diff line change
Expand Up @@ -106,6 +106,7 @@ struct mlx5e_sw_stats {
u64 rx_cache_busy;
u64 rx_cache_waive;
u64 rx_congst_umr;
u64 rx_arfs_err;
u64 ch_events;
u64 ch_poll;
u64 ch_arm;
Expand Down Expand Up @@ -202,6 +203,7 @@ struct mlx5e_rq_stats {
u64 cache_busy;
u64 cache_waive;
u64 congst_umr;
u64 arfs_err;
};

struct mlx5e_sq_stats {
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