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Use software counters for rx_packets and rx_bytes in mlx5en(4).

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The physical- and virtual- port counters might not reflect the amount
of data received after address filtering. Use the software counters
instead for rx_packets and rx_bytes to know exactly how much data
was received.

MFC after:	3 days
Sponsored by:	Mellanox Technologies
This commit is contained in:
hselasky 2019-05-08 10:52:32 +00:00
parent 45b1d3c631
commit d702358b3f
1 changed files with 6 additions and 5 deletions
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11
sys/dev/mlx5/mlx5_en/mlx5_en_main.c
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@ -499,6 +499,8 @@ mlx5e_update_stats_locked(struct mlx5e_priv *priv)
u64 sw_lro_flushed = 0;
u64 rx_csum_none = 0;
u64 rx_wqe_err = 0;
u64 rx_packets = 0;
u64 rx_bytes = 0;
u32 rx_out_of_buffer = 0;
int i;
int j;
@ -522,6 +524,8 @@ mlx5e_update_stats_locked(struct mlx5e_priv *priv)
lro_bytes += rq_stats->lro_bytes;
rx_csum_none += rq_stats->csum_none;
rx_wqe_err += rq_stats->wqe_err;
rx_packets += rq_stats->packets;
rx_bytes += rq_stats->bytes;
for (j = 0; j < priv->num_tc; j++) {
sq_stats = &pch->sq[j].stats;
@ -548,6 +552,8 @@ mlx5e_update_stats_locked(struct mlx5e_priv *priv)
s->sw_lro_flushed = sw_lro_flushed;
s->rx_csum_none = rx_csum_none;
s->rx_wqe_err = rx_wqe_err;
s->rx_packets = rx_packets;
s->rx_bytes = rx_bytes;
/* HW counters */
memset(in, 0, sizeof(in));
@ -610,11 +616,6 @@ mlx5e_update_stats_locked(struct mlx5e_priv *priv)
s->tx_broadcast_bytes =
MLX5_GET_CTR(out, transmitted_eth_broadcast.octets);
s->rx_packets = s->rx_unicast_packets +
s->rx_multicast_packets + s->rx_broadcast_packets -
s->rx_out_of_buffer;
s->rx_bytes = s->rx_unicast_bytes + s->rx_multicast_bytes +
s->rx_broadcast_bytes;
s->tx_packets = s->tx_unicast_packets +
s->tx_multicast_packets + s->tx_broadcast_packets;
s->tx_bytes = s->tx_unicast_bytes + s->tx_multicast_bytes +