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SHAMPO is an RQ / WQ feature, an indication was added to the TIR in the
first place to enforce suitability between connected TIR and RQ, this
enforcement does not exist in current the Firmware implementation and was
redundant in the first place.
Fixes: 83439f3c37aa ("net/mlx5e: Add HW-GRO offload")
Signed-off-by: Ben Ben-Ishay <benishay@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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This commit introduces the control path infrastructure for SHAMPO feature.
SHAMPO feature enables packet stitching by splitting packets to
header and payload, the header is placed on a dedicated buffer
and the payload on the RX ring, this allows stitching the data part
of a flow together continuously in the receive buffer.
SHAMPO feature is implemented as linked list striding RQ feature.
To support packets splitting and payload stitching:
- Enlarge the ICOSQ and the correspond CQ to support the header buffer
memory regions.
- Add support to create linked list striding RQ with SHAMPO feature set
in the open_rq function.
- Add deallocation function and corresponded calls for SHAMPO header
buffer.
- Add mlx5e_create_umr_klm_mkey to support KLM mkey for the header
buffer.
- Rename mlx5e_create_umr_mkey to mlx5e_create_umr_mtt_mkey.
Signed-off-by: Ben Ben-Ishay <benishay@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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This series introduces new packet merge type, therefore rename lro
functions to packet merge to support the new merge type:
- Generalize + rename mlx5e_build_tir_ctx_lro to
mlx5e_build_tir_ctx_packet_merge.
- Rename mlx5e_modify_tirs_lro to mlx5e_modify_tirs_packet_merge.
- Rename lro bit in mlx5_ifc_modify_tir_bitmask_bits to packet_merge.
- Rename lro_en in mlx5e_params to packet_merge_type type and combine
packet_merge params into one struct mlx5e_packet_merge_param.
Signed-off-by: Khalid Manaa <khalidm@nvidia.com>
Signed-off-by: Ben Ben-Ishay <benishay@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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TIR stands for transport interface receive, the TIR object is
responsible for performing all transport related operations on
the receive side like packet processing, demultiplexing the packets
to different RQ's, etc.
lro_timeout is a field in the TIR that is used to set the timeout for lro
session, this series introduces new packet merge type, therefore rename
lro_timeout to packet_merge_timeout for all packet merge types.
Signed-off-by: Ben Ben-Ishay <benishay@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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One of the previous commits introduced a dedicated object for a TIR.
kTLS code creates a TIR per connection using the low-level mlx5_core
API. This commit converts it to the new mlx5e_tir API.
Signed-off-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Code related to TIR is now encapsulated into a dedicated object and put
into new files en/tir.{c,h}. All usages are converted.
The Builder pattern is used to initialize a TIR. It allows to create a
multitude of different configurations, turning on and off some specific
features in different combinations, without having long parameter lists,
initializers per usage and repeating code in initializers.
Signed-off-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Reviewed-by: Maor Dickman <maord@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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