[code sync] Merge code from sonic-net/sonic-swss:202511 to 202511_azd - #290
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mssonicbld merged 2 commits intoAug 31, 2026
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Aug 31, 2026
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…4848) **Why I did it:** Previously, when a port was deleted from the PORT_QOS_MAP table, the m_portPfcStatus map could retain stale information about the port's PFC (Priority Flow Control) status. This could lead to inconsistencies in buffer management, as the system might attempt to use outdated PFC status for ports that no longer exist or have been reconfigured. This could happen when CABLE_LENGTH for the port is set. **How I did it:** By erasing the port's entry from m_portPfcStatus upon receiving a delete command, the fix ensures that the internal state accurately reflects the current configuration, preventing potential misconfigurations or resource leaks. **How to verify it:** Run the following UT test case test_buffer_traditional.py::TestBuffer::test_no_buffer_pg_for_no_port_qos_map **Which release branch to backport (provide reason below if selected):** - [x] 202505 - [x] 202511 **Tested branch (Please provide the tested image version):** - [x] 202505 <!-- Please make sure you have read and understood the contribution guildlines: https://github.com/Azure/SONiC/blob/gh-pages/CONTRIBUTING.md 1. Make sure your commit includes a signature generted with `git commit -s` 2. Make sure your commit title follows the correct format: [component]: description 3. Make sure your commit message contains enough details about the change and related tests 4. Make sure your pull request adds related reviewers, asignees, labels Please also provide the following information in this pull request: --> Signed-off-by: Sonic Build Admin <sonicbld@microsoft.com>
mssonicbld
requested review from
Kumaresh Perumal (kperumalbfn) and
Prince Sunny (prsunny)
as code owners
August 31, 2026 03:03
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