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net/mlx5e: Add a counter for congested UMRs

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Add per-ring and global ethtool counters for congested UMR requests.
These events indicate congestion in UMR handlers in HW.

Such event is concluded when there's an outstanding UMR post,
yet the SW consumed at least two additional MPWQEs in the meanwhile.

Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Tariq Toukan 2018-03-04 14:25:00 +02:00 • committed by Saeed Mahameed
commit dc983f0e2b
4 changed files with 12 additions and 0 deletions
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