[202412] [Mellanox] Add phcsync script for ASIC clock synchronization on mellanox platforms.#1935
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r12f merged 2 commits intoAzure:202412from Jan 24, 2026
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Signed-off-by: Zili Bombach <zbombach@nvidia.com>
Signed-off-by: Zili Bombach <zbombach@nvidia.com>
DavidZagury
approved these changes
Jan 15, 2026
Pterosaur
approved these changes
Jan 17, 2026
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Why I did it
Fix a bug in HFT where the asic clock was not synchronized with the system clock, causing it to report a time around 1970.
There is a dependency between this PR and: sonic-net/sonic-sairedis#1734
The PR to sonic-buildimage should be merged first, followed by the PR to sonic-sairedis.
Work item tracking
How I did it
Added phcsync script for ASIC clock synchronization on Mellanox platforms: created phcsync.sh that syncs PTP clocks with system clock every 60 seconds.
How to verify it
Which release branch to backport (provide reason below if selected)
Tested branch (Please provide the tested image version)
Description for the changelog
Link to config_db schema for YANG module changes
A picture of a cute animal (not mandatory but encouraged)