nmcli: add infiniband.transport-mode parameter to be configured

[ghost]

Summary

At the moment the nmcli.py module is missing the option to set infiniband.transport-mode in nmcli.

The infiniband.transport-mode can be switched between datagram (default) and connected.

There is also a difference in MTU sizes for the two different settings:

• datagram: max MTU is 4092
• connected mode, max MTU is 65520.

Issue Type

Feature Idea

Component Name

nmcli

Additional Information

Code of Conduct

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[ansibullbot]

Files identified in the description:

• plugins/modules/net_tools/nmcli.py

If these files are incorrect, please update the component name section of the description or use the !component bot command.

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[ansibullbot]

cc @alcamie101
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