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vpp: T8460: Use isolated cpus for VPP cpu-cores
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VPP CPU core assignment now uses kernel-isolated CPUs (from /sys/devices/system/cpu/isolated) with explicit corelist-workers instead of computing offsets from available cores with skip-cores/workers. Added validation that enough CPUs are actually isolated before VPP starts, and that isolate-cpus config only references existing CPU IDs. Moved smoketest for kernel option 'isolate-cpus' to test_vpp.py
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Interface names can contain dots (e.g. VLAN subinterfaces like eth0.10), which
conflicts with sysctl's dot-separated key syntax.
Change sysctl_read() and sysctl_write() to take key components as a list and
normalize each component by replacing . with / before invoking sysctl. This
fixes sysctl lookups/updates for VLAN subinterfaces.
Extend the SR-TE smoketest to cover a VLAN subinterface.
Previous error raising this issue:
vyos-configd: sysctl: cannot stat /proc/sys/net/ipv6/conf/eth0/10/seg6_enabled: No such file or directory
vyos-configd: sysctl: cannot stat /proc/sys/net/ipv6/conf/eth0/201/seg6_enabled: No such file or directory
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While working on task T7664 (FRR 10.4 upgrade), I identified the need for
additional validation and safeguards around the FRR management daemon. The
most appropriate place for this logic is in the setUp() and tearDown() methods
of the smoketest base class, VyOSUnitTestSHIM.
However, during implementation, it became apparent that test cases do not
consistently invoke the base class's setup and teardown methods. This
inconsistency complicates the process of capturing the FRR mgmtd PID at the
start of a test and verifying that it remains unchanged by the end - a key step
in detecting crashes or unexpected terminations (e.g., SIGSEGV) of the FRR
management daemon during tests.
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T7887: system_option: Add validation for memory hugepage-count
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Move smoke test for hugepages to test_vpp.py
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When smoketest debugging is enabled (by creating the file
/tmp/vyos.smoketest.debug), all available smoketests will fail fast instead
of running to completion. This helps reduce test time when something is
broken or undergoing refactoring, as it avoids waiting for the full test suite
to finish.
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The legal team says years are not necessary so we can go ahead with it, since
it will simplify backporting.
Automatically removed using: git ls-files | grep -v libvyosconfig | xargs sed -i -E \
's/^# Copyright (19|20)[0-9]{2}(-[0-9]{4})? VyOS maintainers.*/# Copyright VyOS maintainers and contributors <maintainers@vyos.io>/g'
In addition we will error-out during "make" if someone re-adds a legacy
copyright notice
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Add kernel options which apply during the boot:
- isolcpus
- nohz_full
- rcu_nocbs
- default_hugepagesz
- hugepages
- hugepagesz
- numa_balancing
- hpet
- mce
- nosoftlockup
- nmi_watchdog
CLI:
```
set system option kernel cpu disable-nmi-watchdog
set system option kernel cpu isolate-cpus '1,2,4-5'
set system option kernel cpu nohz-full '1,2,4-5'
set system option kernel cpu rcu-no-cbs '1,2,4-5'
set system option kernel disable-hpet
set system option kernel disable-mce
set system option kernel disable-softlockup
set system option kernel memory default-hugepage-size '2M'
set system option kernel memory disable-numa-balancing
set system option kernel memory hugepage-size 1G hugepage-count '2'
set system option kernel memory hugepage-size 2M hugepage-count '512'
```
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Add option to limit the number of messages that are displayed on the console
during the boot process and to persist this setting with image upgrades.
set system option kernel quiet
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set system option keyboard-layout it
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Fix for system option ssh-client source-interface
For the `verify_source_interface` the key `ifname` if required
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