Sharing PCIe Wi-Fi Adapter with WSL2

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## Feature Request: Sharing PCIe Wi-Fi Adapter with WSL2

**Is your feature request related to a problem? Please describe.**

Yes. Currently, WSL2 relies on Hyper-V virtual switches, which only support USB network adapters. This prevents users from directly sharing a PCIe Wi-Fi adapter with WSL2, limiting flexibility and potentially hindering performance compared to USB alternatives.

**Describe the solution you'd like**

We propose enabling the ability to share a PCIe Wi-Fi adapter directly with the WSL2 virtual machine. This would grant users access to the adapter's features within WSL2 and potentially improve network performance.

**Describe alternatives you've considered**

The current workaround involves configuring the Hyper-V virtual switch to utilize an external USB Wi-Fi adapter. However, this method requires manual configuration and might need to be repeated frequently.

**Additional context**

- Sharing PCIe Wi-Fi adapters would benefit users by:
- Offering access to features potentially unavailable on USB adapters (e.g., Wi-Fi 6).
- Providing potentially improved performance compared to USB adapters.
- Simplifying the setup process compared to using external USB adapters.
- We encourage exploring two possible solutions:
- Kernel-level passthrough of PCIe Wi-Fi adapters to the WSL2 virtual machine.
- User-space tunneling solutions to bridge the network connection between Windows and WSL2.
- This feature request aims to bring attention to this limitation and explore potential solutions for future development.

The issue names no files, tests, or entry points. Start by reviewing the WSL2 networking and Hyper-V integration architecture, then investigate the feasibility of PCIe passthrough and user-space tunneling. Done would require an agreed implementation approach and verified PCIe Wi-Fi access from the WSL2 virtual machine.

Written by the indexing model from the issue text.