net/mlx5e: Add mlx5e HV VHCA stats agent

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HV VHCA stats agent is responsible on running a preiodic rx/tx
packets/bytes stats update. Currently the supported format is version
MLX5_HV_VHCA_STATS_VERSION. Block ID 1 is dedicated for statistics data
transfer from the VF to the PF.

The reporter fetch the statistics data from all opened channels, fill it
in a buffer and send it to mlx5_hv_vhca_write_agent.

As the stats layer should include some metadata per block (sequence and
offset), the HV VHCA layer shall modify the buffer before actually send it
over block 1.

Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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This commit is contained in:

Eran Ben Elisha 2019-08-22 05:06:00 +00:00 • committed by David S. Miller

parent 29ddad4316

commit cef35af34d

6 changed files with 205 additions and 0 deletions

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1

drivers/net/ethernet/mellanox/mlx5/core/Makefile

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13

drivers/net/ethernet/mellanox/mlx5/core/en.h

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162

drivers/net/ethernet/mellanox/mlx5/core/en/hv_vhca_stats.c

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25

drivers/net/ethernet/mellanox/mlx5/core/en/hv_vhca_stats.h

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3

drivers/net/ethernet/mellanox/mlx5/core/en_main.c

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1

drivers/net/ethernet/mellanox/mlx5/core/lib/hv_vhca.h

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