[202012][sonic-config-engine] Parse AutoNegotiation element from LinkMetadata section of minigraph file #7166
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Backport of #7031 to the 202012 branch
Why I did it
To enable parsing the
AutoNegotiation
element from the LinkMetadata section of minigraph fileHow I did it
Parse the value
AutoNegotiation
element from theLinkMetadata
section of minigraph file. If the element is present, anautoneg
key will be added to the port in thePORT
table of Config DB with a value of either0
or1
If an
autoneg
value is present in port_config.ini, the value from the minigraph will take precedence, overriding that value.Also remove
AutoNegotiation
andEnableAutoNegotiation
elements from theDeviceInfo
section, as we will use this data in theLinkMetadata
section to determine whether to enable auto-negotiation for a port.How to verify it
Added unit tests to validate the behavior described above
Which release branch to backport (provide reason below if selected)