Allow setting custom TCP receive buffer size

[PhilipRoman]

Description

Add new setter/getter which controls the TCP receive buffer size (previously hardcoded as 16K)

Motivation and Context

This is intended to solve #1406 in a more general way

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [x] My code follows the code style of this project.
• [x] My change requires a change to the documentation.
• [x] I have updated the documentation accordingly.
• [ ] I have added tests to cover my changes.
• [ ] All new and existing tests passed.

TODO

Before merging this I would like to manually verify that setting the buffer size affects performance as expected Tested, changing the buffer size affects throughput as expected

[Eric-Alvarez]

@PhilipRoman When is the next release planned? I'm interested in this feature as I've had issues with the current bandwith limitations.

[Vangreen]

@PhilipRoman Same here. We also wait for this release. Any update when release is planned?

[PhilipRoman]

@marci4

[marci4]

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