T6373: QoS Policy Limiter - classes for marked traffic do not work (backport #3494)

[mergify]

Change Summary

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Code style update (formatting, renaming)
• Refactoring (no functional changes)
• Migration from an old Vyatta component to vyos-1x, please link to related PR inside obsoleted component
• Other (please describe):

Related Task(s)

• https://vyos.dev/T6373

Related PR(s)

Component(s) name

Proposed changes

How to test

conf
set qos policy limiter 1G-in class 100 bandwidth '20gbit'
set qos policy limiter 1G-in class 100 burst '3760k'
set qos policy limiter 1G-in class 100 match INTERNAL mark '100'
set qos policy limiter 1G-in class 100 priority '20'
set qos policy limiter 1G-in default bandwidth '1gbit'
set qos policy limiter 1G-in default burst '125000000b'
set qos interface eth0 ingress 1G-in
commit

and check tc filters:

vyos@vyos# tc filter show dev eth0 ingress
filter parent ffff: protocol all pref 20 fw chain 0 
filter parent ffff: protocol all pref 20 fw chain 0 handle 0x64 classid ffff:64 

        action order 1:  police 0x1 rate 20Gbit burst 3847500b mtu 2Kb action drop overhead 0b 
        ref 1 bind 1 

filter parent ffff: protocol all pref 255 basic chain 0 
filter parent ffff: protocol all pref 255 basic chain 0 handle 0x1 flowid ffff:65 
        action order 1:  police 0x2 rate 1Gbit burst 125000000b mtu 2Kb action drop overhead 0b 
        ref 1 bind 1 

Smoketest result

vyos@vyos# python3 /usr/libexec/vyos/tests/smoke/cli/test_qos.py 
test_01_cake (__main__.TestQoS.test_01_cake) ... ok
test_02_drop_tail (__main__.TestQoS.test_02_drop_tail) ... 
Selected QoS policy "qos-policy-eth0" does not exist!

ok
test_03_fair_queue (__main__.TestQoS.test_03_fair_queue) ... 
Selected QoS policy "qos-policy-eth0" does not exist!

ok
test_04_fq_codel (__main__.TestQoS.test_04_fq_codel) ... 
Selected QoS policy "qos-policy-eth0" does not exist!

ok
test_05_limiter (__main__.TestQoS.test_05_limiter) ... 
Selected QoS policy "qos-policy-eth0" does not exist!

ok
test_06_network_emulator (__main__.TestQoS.test_06_network_emulator) ... 
Selected QoS policy "qos-policy-eth0" does not exist!

ok
test_07_priority_queue (__main__.TestQoS.test_07_priority_queue) ... 
Selected QoS policy "qos-policy-eth0" does not exist!

ok
test_08_random_detect (__main__.TestQoS.test_08_random_detect) ... 
Selected QoS policy "qos-policy-eth0" does not exist!

ok
test_09_rate_control (__main__.TestQoS.test_09_rate_control) ... 
Selected QoS policy "qos-policy-eth0" does not exist!

ok
test_10_round_robin (__main__.TestQoS.test_10_round_robin) ... 
Selected QoS policy "qos-policy-eth0" does not exist!

ok
test_11_shaper (__main__.TestQoS.test_11_shaper) ... ok
test_12_shaper_with_red_queue (__main__.TestQoS.test_12_shaper_with_red_queue) ... ok
test_13_shaper_delete_only_rule (__main__.TestQoS.test_13_shaper_delete_only_rule) ... ok
test_14_policy_limiter_marked_traffic (__main__.TestQoS.test_14_policy_limiter_marked_traffic) ... ok

----------------------------------------------------------------------
Ran 14 tests in 47.744s

OK

Checklist:

• I have read the CONTRIBUTING document
• I have linked this PR to one or more Phabricator Task(s)
• I have run the components SMOKETESTS if applicable
• My commit headlines contain a valid Task id
• My change requires a change to the documentation
• I have updated the documentation accordingly

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This is an automatic backport of pull request #3494 done by [Mergify](https://mergify.com).