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net/mlx5e: Add link down events counter

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Expose link_down_events counter through ethtool -S.
This counter is read from PPort statistics, then proccessed and stored as
a special handling software counter.
This counter is stored along software counters since it is the only PPort
counter that it's size is not 64 bits.

Signed-off-by: Gal Pressman <galp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Gal Pressman
2016-04-24 22:51:50 +03:00
committed by David S. Miller
parent cf678570d5
commit 121fcdc84d
3 changed files with 15 additions and 1 deletions
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include/linux/mlx5/device.h
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@@ -1369,6 +1369,7 @@ enum {
MLX5_ETHERNET_EXTENDED_COUNTERS_GROUP = 0x5,
MLX5_PER_PRIORITY_COUNTERS_GROUP = 0x10,
MLX5_PER_TRAFFIC_CLASS_COUNTERS_GROUP = 0x11,
MLX5_PHYSICAL_LAYER_COUNTERS_GROUP = 0x12,
MLX5_INFINIBAND_PORT_COUNTERS_GROUP = 0x20,
};