diff options
| author | Aharon Landau <[email protected]> | 2019-12-16 12:50:13 +0200 |
|---|---|---|
| committer | Saeed Mahameed <[email protected]> | 2020-01-16 14:11:33 -0800 |
| commit | 827a8cb2dd2b72848652b2a425bba3262808ff44 (patch) | |
| tree | 9d501581d96cb53b3f1a865690e850710dac29ed | |
| parent | a58837f52d432f32995b1c00e803cc4db18762d3 (diff) | |
net/mlx5e: Add discard counters per priority
Add counters that count (per priority) the number of received
packets that dropped due to lack of buffers on a physical port. If
this counter is increasing, it implies that the adapter is
congested and cannot absorb the traffic coming from the network.
Signed-off-by: Aharon Landau <[email protected]>
Reviewed-by: Tariq Toukan <[email protected]>
Signed-off-by: Saeed Mahameed <[email protected]>
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_stats.c | 1 | ||||
| -rw-r--r-- | include/linux/mlx5/mlx5_ifc.h | 4 |
2 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c index 9f09253f9f46..33081b7edbf3 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c @@ -1130,6 +1130,7 @@ static void mlx5e_grp_per_port_buffer_congest_update_stats(struct mlx5e_priv *pr static const struct counter_desc pport_per_prio_traffic_stats_desc[] = { { "rx_prio%d_bytes", PPORT_PER_PRIO_OFF(rx_octets) }, { "rx_prio%d_packets", PPORT_PER_PRIO_OFF(rx_frames) }, + { "rx_prio%d_discards", PPORT_PER_PRIO_OFF(rx_discards) }, { "tx_prio%d_bytes", PPORT_PER_PRIO_OFF(tx_octets) }, { "tx_prio%d_packets", PPORT_PER_PRIO_OFF(tx_frames) }, }; diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 2ab4562b4851..ee0a34d66c7c 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -2180,7 +2180,9 @@ struct mlx5_ifc_eth_per_prio_grp_data_layout_bits { u8 rx_pause_transition_low[0x20]; - u8 reserved_at_3c0[0x40]; + u8 rx_discards_high[0x20]; + + u8 rx_discards_low[0x20]; u8 device_stall_minor_watermark_cnt_high[0x20]; |