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net/mlx5e: Add XDP_TX completions statistics

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Add per-ring and global ethtool counters for XDP_TX completions.
This helps us monitor and analyze XDP_TX flow performance.

Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Tariq Toukan 2018-03-04 10:35:00 +02:00 committed by Saeed Mahameed
parent 8615565696
commit cbe73aaeec
3 changed files with 7 additions and 0 deletions
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2
drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
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@ -1383,6 +1383,8 @@ bool mlx5e_poll_xdpsq_cq(struct mlx5e_cq *cq)
} while (!last_wqe);
} while ((++i < MLX5E_TX_CQ_POLL_BUDGET) && (cqe = mlx5_cqwq_get_cqe(&cq->wq)));
rq->stats->xdp_tx_cqe += i;
mlx5_cqwq_update_db_record(&cq->wq);
/* ensure cq space is freed before enabling more cqes */

3
drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
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@ -59,6 +59,7 @@ static const struct counter_desc sw_stats_desc[] = {
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_unnecessary_inner) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_xdp_drop) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_xdp_tx) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_xdp_tx_cqe) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_xdp_tx_full) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_csum_none) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_csum_partial) },
@ -135,6 +136,7 @@ void mlx5e_grp_sw_update_stats(struct mlx5e_priv *priv)
s->rx_csum_unnecessary_inner += rq_stats->csum_unnecessary_inner;
s->rx_xdp_drop += rq_stats->xdp_drop;
s->rx_xdp_tx += rq_stats->xdp_tx;
s->rx_xdp_tx_cqe += rq_stats->xdp_tx_cqe;
s->rx_xdp_tx_full += rq_stats->xdp_tx_full;
s->rx_wqe_err += rq_stats->wqe_err;
s->rx_mpwqe_filler += rq_stats->mpwqe_filler;
@ -1111,6 +1113,7 @@ static const struct counter_desc rq_stats_desc[] = {
{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, csum_none) },
{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, xdp_drop) },
{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, xdp_tx) },
{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, xdp_tx_cqe) },
{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, xdp_tx_full) },
{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, lro_packets) },
{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, lro_bytes) },

2
drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
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@ -70,6 +70,7 @@ struct mlx5e_sw_stats {
u64 rx_csum_unnecessary_inner;
u64 rx_xdp_drop;
u64 rx_xdp_tx;
u64 rx_xdp_tx_cqe;
u64 rx_xdp_tx_full;
u64 tx_csum_none;
u64 tx_csum_partial;
@ -171,6 +172,7 @@ struct mlx5e_rq_stats {
u64 removed_vlan_packets;
u64 xdp_drop;
u64 xdp_tx;
u64 xdp_tx_cqe;
u64 xdp_tx_full;
u64 wqe_err;
u64 mpwqe_filler;