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Feat(eos_designs): Add support for RSS interface profile for select p… #5009

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@ashenoy-arista ashenoy-arista commented Feb 10, 2025

Change Summary

Build schema for eos_designs role to help generate structured config for RSS interface profile.
RSS interface profile is only applicable to certain SFE (Software Forwarding Engine) hardware platforms.
We would like to have toggle/knob under platform_settings -> feature_support schema that end-user can enable for supported hardware platforms to allow generation of relevant structured config.

Related Issue(s)

Fixes #4983

Component(s) name

arista.avd.eos_designs

Proposed changes

Propose adding rx_queue dictionary type under L3 interface and member eth interfaces of L3 Port-Channel interface.
The keys within this dictionary would be count, worker and mode.
Add a knob under platform_settings -> feature_support schema. When enabled, underlying logic would generate structured config for RSS profile for devices capable of supporting this feature. Such profile would include sections for each interface for which rx_queue dictionary type has been specified/populated in yml.
There will be only one such RSS profile generated and same profile would be set as the chosen profile to apply for the system.

How to test

TBD

Checklist

User Checklist

  • N/A

Repository Checklist

  • My code has been rebased from devel before I start
  • I have read the CONTRIBUTING document.
  • My change requires a change to the documentation and documentation have been updated accordingly.
  • I have updated molecule CI testing accordingly. (check the box if not applicable)

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To test this pull request:

# Create virtual environment for this testing below the current directory
python -m venv test-avd-pr-5009
# Activate the virtual environment
source test-avd-pr-5009/bin/activate
# Install all requirements including PyAVD
pip install "pyavd[ansible] @ git+https://github.com/ashenoy-arista/avd.git@eosDesignsRssProfileSupport#subdirectory=python-avd" --force
# Point Ansible collections path to the Python virtual environment
export ANSIBLE_COLLECTIONS_PATH=$VIRTUAL_ENV/ansible_collections
# Install Ansible collection
ansible-galaxy collection install git+https://github.com/ashenoy-arista/avd.git#/ansible_collections/arista/avd/,eosDesignsRssProfileSupport --force
# Optional: Install AVD examples
cd test-avd-pr-5009
ansible-playbook arista.avd.install_examples

@ashenoy-arista ashenoy-arista force-pushed the eosDesignsRssProfileSupport branch from ac5db61 to 44d2491 Compare February 11, 2025 00:59
@@ -68,6 +68,30 @@ $defs:
type: str
description: |-
Speed should be set in the format `<interface_speed>` or `forced <interface_speed>` or `auto <interface_speed>`.
rx_queue:
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Did someone test that this works for port-channel interfaces?

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Only regular ethernet interface is currently supported within RSS profile.
Tunnel or Port-Channel or sub-interface is not supported.

such as 0-4,7.
mode:
type: str
description: Mode applicable to the workers. Default mode is 'shared'.
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Set the default key instead of writing it in description. (for eos_designs we can have default :) )

@@ -294,6 +298,7 @@ keys:
bgp_update_wait_install: false
interface_storm_control: false
queue_monitor_length_notify: false
build_rss_profile: false
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this should be enabled for these platforms right?

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Have set supported to true under respective supported platforms
Had to split existing batch of AWE platforms into 2 groups and then configured applicable values for max_rx_queues for each group.
Please see if this schema looks fine.
My understanding is that supported when set to true will serve as hint to eos_designs logic to validate schema inputs and generate structured config, correct?

@ashenoy-arista ashenoy-arista force-pushed the eosDesignsRssProfileSupport branch from ab65f89 to 02fd8de Compare February 11, 2025 23:25
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Support configuration of Receive Side Scaling (RSS) interface profiles for select SFE based platforms
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