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samples: net: QoS: Add quality of service sample
Add a sample, that shows the power of quality of service in Zephyr. Signed-off-by: Cla Mattia Galliard <[email protected]>
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‎samples/net/qos/QoS.rst‎

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.. zephyr:code-sample-category:: QoS
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:name: Quality of Service
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:show-listing:
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These samples demonstrate packet filters for Quality of Service (QoS).

‎samples/net/qos/ethernet/CMakeLists.txt‎

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# SPDX-License-Identifier: Apache-2.0
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cmake_minimum_required(VERSION 3.20.0)
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find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
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project(ethernet_qos_demo)
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FILE(GLOB app_sources src/*.c)
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target_sources(app PRIVATE ${app_sources})

‎samples/net/qos/ethernet/README.rst‎

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.. zephyr:code-sample:: quality-of-service
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:name: Quality of Service
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:relevant-api: ethernet
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Implements a demo of quality of service on the ethernet layer.
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Overview
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********
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The purpose of this sample is to show quality-of-service (QoS) on the ethernet layer.
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Building and Running
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********************
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Build like this:
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.. zephyr-app-commands::
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:zephyr-app: samples/net/qos/ethernet
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:board: <board_to_use>
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:goals: build
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:compact:
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This sample only works with the native simulator. After the sample starts, it
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fakes incoming network pakets on a fake network interface and prints
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statistics about it.
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Run with ``./build/zephyr/zephyr.exe``
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Statistics (With Quality of Service Filtering)
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**********************************************
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c (x) := command service for priority x (high means higher priority)
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e (x) := echo service for priority x (high means higher priority)
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| work us | c(7) | e(7) | c(6) | e(6) | c(5) | e(5) | c(4) | e(4) | c(3) | e(3) | c(2) | e(2) | c(1) | e(1) | c(0) | e(0) |
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+=========+======+======+======+======+======+======+======+======+======+======+======+======+======+======+======+======+
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| 800 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 850 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 53 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 900 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 35 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 950 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 2 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 1000 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 0 | 0 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 1100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 9 | 0 | 0 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 1200 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 75 | 0 | 0 | 0 | 0 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 1300 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 10 | 0 | 0 | 0 | 0 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 1400 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 29 | 0 | 0 | 0 | 0 | 0 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 1600 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 1800 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 2000 | 100 | 100 | 100 | 100 | 100 | 100 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 3000 | 100 | 100 | 100 | 100 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 4000 | 100 | 100 | 99 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 5000 | 100 | 100 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 6000 | 100 | 100 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 7000 | 100 | 85 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 8000 | 100 | 49 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 9000 | 100 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 10000 | 99 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 15000 | 44 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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Statistics (No Quality of Service Filtering)
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**********************************************
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c (x) := command service for priority x (high means higher priority)
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e (x) := echo service for priority x (high means higher priority)
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| work us | c(7) | e(7) | c(6) | e(6) | c(5) | e(5) | c(4) | e(4) | c(3) | e(3) | c(2) | e(2) | c(1) | e(1) | c(0) | e(0) |
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+=========+======+======+======+======+======+======+======+======+======+======+======+======+======+======+======+======+
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| 800 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 850 | 100 | 53 | 100 | 99 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 900 | 100 | 1 | 100 | 23 | 100 | 99 | 100 | 99 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 950 | 100 | 1 | 100 | 1 | 100 | 7 | 100 | 99 | 100 | 99 | 100 | 99 | 100 | 99 | 100 | 100 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 1000 | 100 | 1 | 100 | 1 | 100 | 1 | 100 | 1 | 100 | 98 | 100 | 99 | 100 | 99 | 100 | 99 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 1100 | 100 | 1 | 100 | 1 | 100 | 1 | 100 | 1 | 100 | 1 | 100 | 19 | 100 | 97 | 100 | 97 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 1200 | 100 | 1 | 100 | 1 | 100 | 1 | 100 | 1 | 100 | 1 | 100 | 1 | 100 | 1 | 100 | 59 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 1300 | 39 | 0 | 100 | 0 | 100 | 0 | 100 | 0 | 100 | 0 | 100 | 0 | 100 | 0 | 100 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 1400 | 1 | 0 | 99 | 0 | 100 | 0 | 100 | 0 | 100 | 0 | 100 | 0 | 100 | 0 | 100 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 1600 | 1 | 0 | 1 | 0 | 99 | 0 | 99 | 0 | 100 | 0 | 100 | 0 | 100 | 0 | 100 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 1800 | 1 | 0 | 1 | 0 | 12 | 0 | 99 | 0 | 99 | 0 | 100 | 0 | 100 | 0 | 100 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 2000 | 1 | 0 | 1 | 0 | 1 | 0 | 99 | 0 | 99 | 0 | 99 | 0 | 99 | 0 | 100 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 3000 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 98 | 0 | 98 | 0 | 99 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 4000 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 97 | 0 | 98 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 5000 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 96 | 0 | 97 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 6000 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 33 | 0 | 96 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 7000 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 95 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 8000 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 94 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 9000 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 93 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 10000 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 92 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+
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| 15000 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 30 | 0 |
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+---------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+

‎samples/net/qos/ethernet/prj.conf‎

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# Networking config
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CONFIG_NETWORKING=y
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CONFIG_NET_IPV4=y
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CONFIG_NET_IPV6=n
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CONFIG_NET_IF_MAX_IPV4_COUNT=2
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CONFIG_NET_RX_DEFAULT_PRIORITY=7
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CONFIG_NET_TX_DEFAULT_PRIORITY=7
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# Logging
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CONFIG_LOG=y
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CONFIG_NET_LOG=y
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CONFIG_LOG_THREAD_ID_PREFIX=y
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CONFIG_THREAD_NAME=y
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# Network buffers
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CONFIG_NET_PKT_RX_COUNT=128
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CONFIG_NET_BUF_RX_COUNT=1800
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CONFIG_NET_PKT_TX_COUNT=64
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CONFIG_NET_BUF_TX_COUNT=900
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# Network traffic class queues
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CONFIG_NET_TC_THREAD_PRIO_CUSTOM=y
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CONFIG_NET_TC_TX_THREAD_BASE_PRIO=16
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CONFIG_NET_TC_TX_THREAD_PRIO_SPREAD=2
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CONFIG_NET_TC_RX_THREAD_BASE_PRIO=15
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CONFIG_NET_TC_RX_THREAD_PRIO_SPREAD=2
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CONFIG_NET_TC_THREAD_PREEMPTIVE=y
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CONFIG_NET_TC_RX_COUNT=8
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CONFIG_NET_TC_TX_COUNT=8
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CONFIG_NET_TC_LOG_LEVEL_DBG=y
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# Network Packet filters
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CONFIG_NET_PKT_FILTER=y

‎samples/net/qos/ethernet/sample.yaml‎

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sample:
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description: demo of quality of service for ethernet layer
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name: quality_of_service
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common:
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harness: net
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tests:
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sample.net.Qos:
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tags:
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- net
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- socket
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platform_allow:
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- native_sim
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- native_sim/native/64
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integration_platforms:
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- native_sim

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