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net/mlx5e: Add discard counters per priority

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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 <aharonl@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Aharon Landau
2019-12-16 12:50:13 +02:00
committed by Saeed Mahameed
parent a58837f52d
commit 827a8cb2dd
2 changed files with 4 additions and 1 deletions
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include/linux/mlx5/mlx5_ifc.h
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@@ -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];