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1) Support range match action in SW steering
Yevgeny Kliteynik says:
=======================
The following patch series adds support for a range match action in
SW Steering.
SW steering is able to match only on the exact values of the packet fields,
as requested by the user: the user provides mask for the fields that are of
interest, and the exact values to be matched on when the traffic is handled.
The following patch series add new type of action - Range Match, where the
user provides a field to be matched on and a range of values (min to max)
that will be considered as hit.
There are several new notions that were implemented in order to support
Range Match:
- MATCH_RANGES Steering Table Entry (STE): the new STE type that allows
matching the packets' fields on the range of values instead of a specific
value.
- Match Definer: this is a general FW object that defines which fields
in the packet will be referenced by the mask and tag of each STE.
Match definer ID is part of STE fields, and it defines how the HW needs
to interpret the STE's mask/tag values.
Till now SW steering used the definers that were managed by FW and
implemented the STE layout as described by the HW spec.
Now that we're adding a new type of STE, SW steering needs to also be
able to define this new STE's layout, and this is do
=======================
2) From OZ add support for meter mtu offload
2.1: Refactor the code to allow both metering and range post actions as a
pre-step for adding police mtu offload support.
2.2: Instantiate mtu green/red flow tables with a single match-all rule.
Add the green/red actions to the hit/miss table accordingly
2.3: Initialize the meter object with the TC police mtu parameter.
Use the hardware range match action feature.
3) From MaorD, support routes with more than 2 nexthops in multipath
4) Michael and Or, improve and extend vport representor counters.
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Merge tag 'mlx5-updates-2022-12-08' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-updates-2022-12-08
1) Support range match action in SW steering
Yevgeny Kliteynik says:
=======================
The following patch series adds support for a range match action in
SW Steering.
SW steering is able to match only on the exact values of the packet fields,
as requested by the user: the user provides mask for the fields that are of
interest, and the exact values to be matched on when the traffic is handled.
The following patch series add new type of action - Range Match, where the
user provides a field to be matched on and a range of values (min to max)
that will be considered as hit.
There are several new notions that were implemented in order to support
Range Match:
- MATCH_RANGES Steering Table Entry (STE): the new STE type that allows
matching the packets' fields on the range of values instead of a specific
value.
- Match Definer: this is a general FW object that defines which fields
in the packet will be referenced by the mask and tag of each STE.
Match definer ID is part of STE fields, and it defines how the HW needs
to interpret the STE's mask/tag values.
Till now SW steering used the definers that were managed by FW and
implemented the STE layout as described by the HW spec.
Now that we're adding a new type of STE, SW steering needs to also be
able to define this new STE's layout, and this is do
=======================
2) From OZ add support for meter mtu offload
2.1: Refactor the code to allow both metering and range post actions as a
pre-step for adding police mtu offload support.
2.2: Instantiate mtu green/red flow tables with a single match-all rule.
Add the green/red actions to the hit/miss table accordingly
2.3: Initialize the meter object with the TC police mtu parameter.
Use the hardware range match action feature.
3) From MaorD, support routes with more than 2 nexthops in multipath
4) Michael and Or, improve and extend vport representor counters.
* tag 'mlx5-updates-2022-12-08' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux:
net/mlx5: Expose steering dropped packets counter
net/mlx5: Refactor and expand rep vport stat group
net/mlx5e: multipath, support routes with more than 2 nexthops
net/mlx5e: TC, add support for meter mtu offload
net/mlx5e: meter, add mtu post meter tables
net/mlx5e: meter, refactor to allow multiple post meter tables
net/mlx5: DR, Add support for range match action
net/mlx5: DR, Add function that tells if STE miss addr has been initialized
net/mlx5: DR, Some refactoring of miss address handling
net/mlx5: DR, Manage definers with refcounts
net/mlx5: DR, Handle FT action in a separate function
net/mlx5: DR, Rework is_fw_table function
net/mlx5: DR, Add functions to create/destroy MATCH_DEFINER general object
net/mlx5: fs, add match on ranges API
net/mlx5: mlx5_ifc updates for MATCH_DEFINER general object
====================
Link: https://lore.kernel.org/r/20221209001420.142794-1-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
c80edd8d41