[Mellanox] [202205] [Backport] Use sdk sysfs instead of ethtool (#12480) #12603
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Backport: #12480
Why I did it
Currently, implementation:
The problem is that spawning new process of ethtool/mlxreg is very slow. To optimize the performance, this PR will use SDK provided sys fs for EEPROM reading/writing.
How I did it
Replace the logic of
sfp.read_eeprom
andsfp.write_eeprom
by SDK sys fs.How to verify it
Manual test
Unit test cases (new test case added)
sonic-mgmt regression
Which release branch to backport (provide reason below if selected)
Description for the changelog
Ensure to add label/tag for the feature raised. example - PR#2174 where, Generic Config and Update feature has been labelled as GCU.
Link to config_db schema for YANG module changes
A picture of a cute animal (not mandatory but encouraged)